SYMBOLCOMMON_NAMEaka. SYNONYMS
win.dharma (Back to overview)

Dharma

aka: Arena, Crysis, Wadhrama, ncov
URLhaus      

According to MalwareBytes, the Dharma Ransomware family is installed manually by attackers hacking into computers over Remote Desktop Protocol Services (RDP). The attackers will scan the Internet for computers running RDP, usually on TCP port 3389, and then attempt to brute force the password for the computer.

Once they gain access to the computer they will install the ransomware and let it encrypt the computer. If the attackers are able to encrypt other computers on the network, they will attempt to do so as well.

References
2021-10-29EuropolEuropol
@online{europol:20211029:12:5c0fd59, author = {Europol}, title = {{12 targeted for involvement in ransomware attacks against critical infrastructure}}, date = {2021-10-29}, organization = {Europol}, url = {https://www.europol.europa.eu/newsroom/news/12-targeted-for-involvement-in-ransomware-attacks-against-critical-infrastructure}, language = {English}, urldate = {2021-11-02} } 12 targeted for involvement in ransomware attacks against critical infrastructure
Cobalt Strike Dharma LockerGoga MegaCortex TrickBot
2021-10-29Національна поліція УкраїниНаціональна поліція України
@online{:20211029:cyberpolice:fc43b20, author = {Національна поліція України}, title = {{Cyberpolice exposes transnational criminal group in causing $ 120 million in damage to foreign companies}}, date = {2021-10-29}, organization = {Національна поліція України}, url = {https://www.npu.gov.ua/news/kiberzlochini/kiberpolicziya-vikrila-transnaczionalne-zlochinne-ugrupovannya-u-nanesenni-inozemnim-kompaniyam-120-miljoniv-dolariv-zbitkiv/}, language = {Ukrainian}, urldate = {2021-11-02} } Cyberpolice exposes transnational criminal group in causing $ 120 million in damage to foreign companies
Cobalt Strike Dharma LockerGoga MegaCortex TrickBot
2021-10-22HUNT & HACKETTKrijn de Mik
@online{mik:20211022:advanced:e22d6f6, author = {Krijn de Mik}, title = {{Advanced IP Scanner: the preferred scanner in the A(P)T toolbox}}, date = {2021-10-22}, organization = {HUNT & HACKETT}, url = {https://www.huntandhackett.com/blog/advanced-ip-scanner-the-preferred-scanner-in-the-apt-toolbox}, language = {English}, urldate = {2021-11-02} } Advanced IP Scanner: the preferred scanner in the A(P)T toolbox
Conti DarkSide Dharma Egregor Hades REvil Ryuk
2021-10-07KasperskyFedor Sinitsyn, Yanis Zinchenko
@online{sinitsyn:20211007:ransomware:b5e74a3, author = {Fedor Sinitsyn and Yanis Zinchenko}, title = {{Ransomware in the CIS}}, date = {2021-10-07}, organization = {Kaspersky}, url = {https://securelist.com/cis-ransomware/104452/}, language = {English}, urldate = {2021-10-11} } Ransomware in the CIS
Cryakl Dharma Hakbit Phobos Void
2021-04-27CrowdStrikeJosh Dalman, Kamil Janton, Eben Kaplan
@online{dalman:20210427:ransomware:8242ac5, author = {Josh Dalman and Kamil Janton and Eben Kaplan}, title = {{Ransomware Preparedness: A Call to Action}}, date = {2021-04-27}, organization = {CrowdStrike}, url = {https://www.crowdstrike.com/blog/ransomware-preparedness-a-call-to-action/}, language = {English}, urldate = {2021-05-31} } Ransomware Preparedness: A Call to Action
Dharma GlobeImposter Maze Phobos CIRCUS SPIDER TRAVELING SPIDER
2021-03-17Palo Alto Networks Unit 42Unit42
@techreport{unit42:20210317:ransomware:504cc32, author = {Unit42}, title = {{Ransomware Threat Report 2021}}, date = {2021-03-17}, institution = {Palo Alto Networks Unit 42}, url = {https://www.paloaltonetworks.com/content/dam/pan/en_US/assets/pdf/reports/Unit_42/unit42-ransomware-threat-report-2021.pdf}, language = {English}, urldate = {2021-03-19} } Ransomware Threat Report 2021
RansomEXX Dharma DoppelPaymer Gandcrab Mailto Maze Phobos RansomEXX REvil Ryuk WastedLocker
2021-03AcronisAcronis Security
@online{security:202103:threat:4d82ead, author = {Acronis Security}, title = {{Threat analysis: Dharma (CrySiS) ransomware}}, date = {2021-03}, organization = {Acronis}, url = {https://www.acronis.com/en-us/articles/Dharma-ransomware/}, language = {English}, urldate = {2021-10-14} } Threat analysis: Dharma (CrySiS) ransomware
Dharma
2021-02-02CRONUPGermán Fernández
@online{fernndez:20210202:de:6ff4f3a, author = {Germán Fernández}, title = {{De ataque con Malware a incidente de Ransomware}}, date = {2021-02-02}, organization = {CRONUP}, url = {https://www.cronup.com/post/de-ataque-con-malware-a-incidente-de-ransomware}, language = {Spanish}, urldate = {2021-03-02} } De ataque con Malware a incidente de Ransomware
Avaddon BazarBackdoor Buer Clop Cobalt Strike Conti DanaBot Dharma Dridex Egregor Emotet Empire Downloader FriedEx GootKit IcedID MegaCortex Nemty Phorpiex PwndLocker PyXie QakBot RansomEXX REvil Ryuk SDBbot SmokeLoader TrickBot Zloader
2021-01-08ZscalerMohd Sadique, Pradeep Kulkarni
@online{sadique:20210108:ransomware:7e4aa27, author = {Mohd Sadique and Pradeep Kulkarni}, title = {{Ransomware Delivered Using RDP Brute-Force Attack}}, date = {2021-01-08}, organization = {Zscaler}, url = {https://www.zscaler.com/blogs/security-research/ransomware-delivered-using-rdp-brute-force-attack}, language = {English}, urldate = {2021-02-09} } Ransomware Delivered Using RDP Brute-Force Attack
Dharma
2020-12-18Trend MicroMatthew Camacho, Raphael Centeno, Junestherry Salvador
@online{camacho:20201218:negasteal:e5b291f, author = {Matthew Camacho and Raphael Centeno and Junestherry Salvador}, title = {{Negasteal Uses Hastebin for Fileless Delivery of Crysis Ransomware}}, date = {2020-12-18}, organization = {Trend Micro}, url = {https://www.trendmicro.com/vinfo/us/security/news/cybercrime-and-digital-threats/negasteal-uses-hastebin-for-fileless-delivery-of-crysis-ransomware}, language = {English}, urldate = {2020-12-26} } Negasteal Uses Hastebin for Fileless Delivery of Crysis Ransomware
Agent Tesla Dharma
2020-08-24Group-IBOleg Skulkin
@online{skulkin:20200824:cybercriminal:f1959f3, author = {Oleg Skulkin}, title = {{Cybercriminal greeners from Iran attack companies worldwide for financial gain}}, date = {2020-08-24}, organization = {Group-IB}, url = {https://www.group-ib.com/media/iran-cybercriminals/}, language = {English}, urldate = {2020-08-25} } Cybercriminal greeners from Iran attack companies worldwide for financial gain
Dharma
2020-08-12CERT SantéCERT Santé
@online{sant:20200812:retour:1243ccf, author = {CERT Santé}, title = {{Retour d’expérience suite à une attaque par rançongiciel contre une structure de santé}}, date = {2020-08-12}, organization = {CERT Santé}, url = {https://cyberveille-sante.gouv.fr/cyberveille-sante/1821-france-retour-dexperience-suite-une-attaque-par-rancongiciel-contre-une}, language = {French}, urldate = {2021-08-03} } Retour d’expérience suite à une attaque par rançongiciel contre une structure de santé
Dharma
2020-07-29ESET Researchwelivesecurity
@techreport{welivesecurity:20200729:threat:496355c, author = {welivesecurity}, title = {{THREAT REPORT Q2 2020}}, date = {2020-07-29}, institution = {ESET Research}, url = {https://www.welivesecurity.com/wp-content/uploads/2020/07/ESET_Threat_Report_Q22020.pdf}, language = {English}, urldate = {2020-07-30} } THREAT REPORT Q2 2020
DEFENSOR ID HiddenAd Bundlore Pirrit Agent.BTZ Cerber ClipBanker CROSSWALK Cryptowall CTB Locker DanaBot Dharma Formbook Gandcrab Grandoreiro Houdini ISFB LockBit Locky Mailto Maze Microcin Nemty NjRAT Phobos PlugX Pony REvil Socelars STOP Tinba TrickBot WannaCryptor
2020-06-16The DFIR ReportThe DFIR Report
@online{report:20200616:little:bc50ff0, author = {The DFIR Report}, title = {{The Little Ransomware That Couldn’t (Dharma)}}, date = {2020-06-16}, organization = {The DFIR Report}, url = {https://thedfirreport.com/2020/06/16/the-little-ransomware-that-couldnt-dharma/}, language = {English}, urldate = {2020-06-16} } The Little Ransomware That Couldn’t (Dharma)
Dharma
2020-04-24Advanced IntelligenceBridgit Sullivan
@online{sullivan:20200424:inside:ee63bb1, author = {Bridgit Sullivan}, title = {{Inside "Phobos" Ransomware: "Dharma" Past & Underground}}, date = {2020-04-24}, organization = {Advanced Intelligence}, url = {https://www.advanced-intel.com/post/inside-phobos-ransomware-dharma-past-underground}, language = {English}, urldate = {2020-07-30} } Inside "Phobos" Ransomware: "Dharma" Past & Underground
Dharma Phobos
2020-03-05MicrosoftMicrosoft Threat Protection Intelligence Team
@online{team:20200305:humanoperated:d90a28e, author = {Microsoft Threat Protection Intelligence Team}, title = {{Human-operated ransomware attacks: A preventable disaster}}, date = {2020-03-05}, organization = {Microsoft}, url = {https://www.microsoft.com/security/blog/2020/03/05/human-operated-ransomware-attacks-a-preventable-disaster/}, language = {English}, urldate = {2020-03-06} } Human-operated ransomware attacks: A preventable disaster
Dharma DoppelPaymer Dridex EternalPetya Gandcrab Hermes LockerGoga MegaCortex MimiKatz REvil RobinHood Ryuk SamSam TrickBot WannaCryptor
2020-03-04CrowdStrikeCrowdStrike
@techreport{crowdstrike:20200304:2020:818c85f, author = {CrowdStrike}, title = {{2020 CrowdStrike Global Threat Report}}, date = {2020-03-04}, institution = {CrowdStrike}, url = {https://go.crowdstrike.com/rs/281-OBQ-266/images/Report2020CrowdStrikeGlobalThreatReport.pdf}, language = {English}, urldate = {2020-07-24} } 2020 CrowdStrike Global Threat Report
MESSAGETAP More_eggs 8.t Dropper Anchor BabyShark BadNews Clop Cobalt Strike CobInt Cobra Carbon System Cutwail DanaBot Dharma DoppelDridex DoppelPaymer Dridex Emotet FlawedAmmyy FriedEx Gandcrab Get2 IcedID ISFB KerrDown LightNeuron LockerGoga Maze MECHANICAL Necurs Nokki Outlook Backdoor Phobos Predator The Thief QakBot REvil RobinHood Ryuk SDBbot Skipper SmokeLoader TerraRecon TerraStealer TerraTV TinyLoader TrickBot vidar Winnti ANTHROPOID SPIDER APT31 APT39 BlackTech BuhTrap Charming Kitten CLOCKWORK SPIDER DOPPEL SPIDER FIN7 Gamaredon Group Leviathan MONTY SPIDER Mustang Panda NARWHAL SPIDER NOCTURNAL SPIDER PINCHY SPIDER Pirate Panda SALTY SPIDER SCULLY SPIDER SMOKY SPIDER Thrip VENOM SPIDER
2020-02-25RSA ConferenceJoel DeCapua
@online{decapua:20200225:feds:423f929, author = {Joel DeCapua}, title = {{Feds Fighting Ransomware: How the FBI Investigates and How You Can Help}}, date = {2020-02-25}, organization = {RSA Conference}, url = {https://www.youtube.com/watch?v=LUxOcpIRxmg}, language = {English}, urldate = {2020-03-04} } Feds Fighting Ransomware: How the FBI Investigates and How You Can Help
FastCash Cerber Defray Dharma FriedEx Gandcrab GlobeImposter Mamba Phobos Rapid Ransom REvil Ryuk SamSam Zeus
2020-01-29ANSSIANSSI
@techreport{anssi:20200129:tat:3d59e6e, author = {ANSSI}, title = {{État de la menace rançongiciel}}, date = {2020-01-29}, institution = {ANSSI}, url = {https://www.cert.ssi.gouv.fr/uploads/CERTFR-2020-CTI-001.pdf}, language = {English}, urldate = {2020-02-03} } État de la menace rançongiciel
Clop Dharma FriedEx Gandcrab LockerGoga Maze MegaCortex REvil RobinHood Ryuk SamSam
2020-01-17SecureworksTamada Kiyotaka, Keita Yamazaki, You Nakatsuru
@techreport{kiyotaka:20200117:is:969ff38, author = {Tamada Kiyotaka and Keita Yamazaki and You Nakatsuru}, title = {{Is It Wrong to Try to Find APT Techniques in Ransomware Attack?}}, date = {2020-01-17}, institution = {Secureworks}, url = {https://jsac.jpcert.or.jp/archive/2020/pdf/JSAC2020_1_tamada-yamazaki-nakatsuru_en.pdf}, language = {English}, urldate = {2020-04-06} } Is It Wrong to Try to Find APT Techniques in Ransomware Attack?
Defray Dharma FriedEx Gandcrab GlobeImposter Matrix Ransom MedusaLocker Phobos REvil Ryuk SamSam Scarab Ransomware
2019-05-08Trend MicroRaphael Centeno
@online{centeno:20190508:dharma:cc5ac04, author = {Raphael Centeno}, title = {{Dharma Ransomware Uses AV Tool to Distract from Malicious Activities}}, date = {2019-05-08}, organization = {Trend Micro}, url = {https://blog.trendmicro.com/trendlabs-security-intelligence/dharma-ransomware-uses-av-tool-to-distract-from-malicious-activities/}, language = {English}, urldate = {2020-01-06} } Dharma Ransomware Uses AV Tool to Distract from Malicious Activities
Dharma
2019-01-22Twitter (@JakubKroustek)Jakub Křoustek
@online{koustek:20190122:frequently:67caefe, author = {Jakub Křoustek}, title = {{Frequently updated Twitter thread with many Dharma samples}}, date = {2019-01-22}, organization = {Twitter (@JakubKroustek)}, url = {https://twitter.com/JakubKroustek/status/1087808550309675009}, language = {English}, urldate = {2021-05-19} } Frequently updated Twitter thread with many Dharma samples
Dharma
2018-07-10Carbon BlackJared Myers
@online{myers:20180710:carbon:cc54d00, author = {Jared Myers}, title = {{Carbon Black TAU Threat Analysis: Recent Dharma Ransomware Highlights Attackers’ Continued Use of Open-Source Tools}}, date = {2018-07-10}, organization = {Carbon Black}, url = {https://www.carbonblack.com/2018/07/10/carbon-black-tau-threat-analysis-recent-dharma-ransomware-highlights-attackers-continued-use-open-source-tools/}, language = {English}, urldate = {2020-01-10} } Carbon Black TAU Threat Analysis: Recent Dharma Ransomware Highlights Attackers’ Continued Use of Open-Source Tools
Dharma
2017-08-25Bleeping ComputerLawrence Abrams
@online{abrams:20170825:new:a2d73b9, author = {Lawrence Abrams}, title = {{New Arena Crysis Ransomware Variant Released}}, date = {2017-08-25}, organization = {Bleeping Computer}, url = {https://www.bleepingcomputer.com/news/security/new-arena-crysis-ransomware-variant-released/}, language = {English}, urldate = {2019-12-20} } New Arena Crysis Ransomware Variant Released
Dharma
Yara Rules
[TLP:WHITE] win_dharma_auto (20211008 | Detects win.dharma.)
rule win_dharma_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-10-07"
        version = "1"
        description = "Detects win.dharma."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.dharma"
        malpedia_rule_date = "20211007"
        malpedia_hash = "e5b790e0f888f252d49063a1251ca60ec2832535"
        malpedia_version = "20211008"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 8945e8 8b45e8 50 e8???????? d1e0 c1e002 }
            // n = 6, score = 100
            //   8945e8               | mov                 dword ptr [ebp - 0x18], eax
            //   8b45e8               | mov                 eax, dword ptr [ebp - 0x18]
            //   50                   | push                eax
            //   e8????????           |                     
            //   d1e0                 | shl                 eax, 1
            //   c1e002               | shl                 eax, 2

        $sequence_1 = { c745fc00000000 c745ec03000000 c745e000000000 e8???????? 8b4dec f7d1 23c1 }
            // n = 7, score = 100
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0
            //   c745ec03000000       | mov                 dword ptr [ebp - 0x14], 3
            //   c745e000000000       | mov                 dword ptr [ebp - 0x20], 0
            //   e8????????           |                     
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]
            //   f7d1                 | not                 ecx
            //   23c1                 | and                 eax, ecx

        $sequence_2 = { 894124 8b5508 8b4228 83e801 }
            // n = 4, score = 100
            //   894124               | mov                 dword ptr [ecx + 0x24], eax
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]
            //   8b4228               | mov                 eax, dword ptr [edx + 0x28]
            //   83e801               | sub                 eax, 1

        $sequence_3 = { 6a03 68000000c0 8b4d08 51 e8???????? 8945e0 837de0ff }
            // n = 7, score = 100
            //   6a03                 | push                3
            //   68000000c0           | push                0xc0000000
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   51                   | push                ecx
            //   e8????????           |                     
            //   8945e0               | mov                 dword ptr [ebp - 0x20], eax
            //   837de0ff             | cmp                 dword ptr [ebp - 0x20], -1

        $sequence_4 = { e8???????? 83c418 85c0 7e3c 68ff7f0000 8b45e8 50 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c418               | add                 esp, 0x18
            //   85c0                 | test                eax, eax
            //   7e3c                 | jle                 0x3e
            //   68ff7f0000           | push                0x7fff
            //   8b45e8               | mov                 eax, dword ptr [ebp - 0x18]
            //   50                   | push                eax

        $sequence_5 = { 8b450c 0fbf4804 894dfc 8b550c 8b420c 8b4dfc 0fb74c48fe }
            // n = 7, score = 100
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]
            //   0fbf4804             | movsx               ecx, word ptr [eax + 4]
            //   894dfc               | mov                 dword ptr [ebp - 4], ecx
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]
            //   8b420c               | mov                 eax, dword ptr [edx + 0xc]
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   0fb74c48fe           | movzx               ecx, word ptr [eax + ecx*2 - 2]

        $sequence_6 = { 83c201 52 8b45f8 50 e8???????? 83c408 85c0 }
            // n = 7, score = 100
            //   83c201               | add                 edx, 1
            //   52                   | push                edx
            //   8b45f8               | mov                 eax, dword ptr [ebp - 8]
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   85c0                 | test                eax, eax

        $sequence_7 = { 8b4d08 ff550c 85c0 7e1e 8b4514 83c001 50 }
            // n = 7, score = 100
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   ff550c               | call                dword ptr [ebp + 0xc]
            //   85c0                 | test                eax, eax
            //   7e1e                 | jle                 0x20
            //   8b4514               | mov                 eax, dword ptr [ebp + 0x14]
            //   83c001               | add                 eax, 1
            //   50                   | push                eax

        $sequence_8 = { 8b45fc 66895445e8 ebdd 33c9 66894df4 8d55dc 52 }
            // n = 7, score = 100
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   66895445e8           | mov                 word ptr [ebp + eax*2 - 0x18], dx
            //   ebdd                 | jmp                 0xffffffdf
            //   33c9                 | xor                 ecx, ecx
            //   66894df4             | mov                 word ptr [ebp - 0xc], cx
            //   8d55dc               | lea                 edx, dword ptr [ebp - 0x24]
            //   52                   | push                edx

        $sequence_9 = { 6a00 8b4db8 51 e8???????? 83c40c 8b55b8 52 }
            // n = 7, score = 100
            //   6a00                 | push                0
            //   8b4db8               | mov                 ecx, dword ptr [ebp - 0x48]
            //   51                   | push                ecx
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8b55b8               | mov                 edx, dword ptr [ebp - 0x48]
            //   52                   | push                edx

    condition:
        7 of them and filesize < 204800
}
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