SYMBOLCOMMON_NAMEaka. SYNONYMS
win.cerber (Back to overview)

Cerber


A prolific ransomware which originally added ".cerber" as a file extension to encrypted files. Has undergone multiple iterations in which the extension has changed. Uses a very readily identifiable set of of UDP activity to checkin and report infections. Primarily uses TOR for payment information.

References
2022-01-19BlackberryThe BlackBerry Research & Intelligence Team
@online{team:20220119:kraken:5b52d17, author = {The BlackBerry Research & Intelligence Team}, title = {{Kraken the Code on Prometheus}}, date = {2022-01-19}, organization = {Blackberry}, url = {https://blogs.blackberry.com/en/2022/01/kraken-the-code-on-prometheus}, language = {English}, urldate = {2022-05-25} } Kraken the Code on Prometheus
Prometheus Backdoor BlackMatter Cerber Cobalt Strike DCRat Ficker Stealer QakBot REvil Ryuk
2021-10-05Trend MicroFyodor Yarochkin, Janus Agcaoili, Byron Gelera, Nikko Tamana
@online{yarochkin:20211005:ransomware:e5f5375, author = {Fyodor Yarochkin and Janus Agcaoili and Byron Gelera and Nikko Tamana}, title = {{Ransomware as a Service: Enabler of Widespread Attacks}}, date = {2021-10-05}, organization = {Trend Micro}, url = {https://www.trendmicro.com/vinfo/us/security/news/cybercrime-and-digital-threats/ransomware-as-a-service-enabler-of-widespread-attacks}, language = {English}, urldate = {2021-10-20} } Ransomware as a Service: Enabler of Widespread Attacks
Cerber Conti DarkSide Gandcrab Locky Nefilim REvil Ryuk
2021-09-01YouTube (Black Hat)Tsuyoshi Taniguchi, Christian Doerr
@online{taniguchi:20210901:how:98ed0d5, author = {Tsuyoshi Taniguchi and Christian Doerr}, title = {{How Did the Adversaries Abusing the Bitcoin Blockchain Evade Our Takeover?}}, date = {2021-09-01}, organization = {YouTube (Black Hat)}, url = {https://www.youtube.com/watch?v=y8Z9KnL8s8s}, language = {English}, urldate = {2021-09-12} } How Did the Adversaries Abusing the Bitcoin Blockchain Evade Our Takeover?
Cerber Pony
2021-08-05KrebsOnSecurityBrian Krebs
@online{krebs:20210805:ransomware:0962b82, author = {Brian Krebs}, title = {{Ransomware Gangs and the Name Game Distraction}}, date = {2021-08-05}, organization = {KrebsOnSecurity}, url = {https://krebsonsecurity.com/2021/08/ransomware-gangs-and-the-name-game-distraction/}, language = {English}, urldate = {2021-12-13} } Ransomware Gangs and the Name Game Distraction
DarkSide RansomEXX Babuk Cerber Conti DarkSide DoppelPaymer Egregor FriedEx Gandcrab Hermes Maze RansomEXX REvil Ryuk Sekhmet
2021-05-06Black HatTsuyoshi Taniguchi, Christian Doerr
@techreport{taniguchi:20210506:how:45b144d, author = {Tsuyoshi Taniguchi and Christian Doerr}, title = {{How Did the Adversaries Abusing Bitcoin Blockchain Evade Our Takeover}}, date = {2021-05-06}, institution = {Black Hat}, url = {https://i.blackhat.com/asia-21/Thursday-Handouts/as21-Taniguchi-How-Did-The-Adversaries-Abusing-The-Bitcoin-Blockchain-Evade-Our-Takeover.pdf}, language = {English}, urldate = {2021-09-12} } How Did the Adversaries Abusing Bitcoin Blockchain Evade Our Takeover
Cerber Pony
2021-04-12PTSecurityPTSecurity
@online{ptsecurity:20210412:paas:1d06836, author = {PTSecurity}, title = {{PaaS, or how hackers evade antivirus software}}, date = {2021-04-12}, organization = {PTSecurity}, url = {https://www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/paas-or-how-hackers-evade-antivirus-software/}, language = {English}, urldate = {2021-04-12} } PaaS, or how hackers evade antivirus software
Amadey Bunitu Cerber Dridex ISFB KPOT Stealer Mailto Nemty Phobos Pony Predator The Thief QakBot Raccoon RTM SmokeLoader Zloader
2021-03-21BlackberryBlackberry Research
@techreport{research:20210321:2021:a393473, author = {Blackberry Research}, title = {{2021 Threat Report}}, date = {2021-03-21}, institution = {Blackberry}, url = {https://www.blackberry.com/content/dam/blackberry-com/asset/enterprise/pdf/direct/report-bb-2021-threat-report.pdf}, language = {English}, urldate = {2021-03-25} } 2021 Threat Report
Bashlite FritzFrog IPStorm Mirai Tsunami elf.wellmess AppleJeus Dacls EvilQuest Manuscrypt Astaroth BazarBackdoor Cerber Cobalt Strike Emotet FinFisher RAT Kwampirs MimiKatz NjRAT Ryuk SmokeLoader TrickBot
2020-12-10US-CERTUS-CERT, FBI, MS-ISAC
@online{uscert:20201210:alert:a5ec77e, author = {US-CERT and FBI and MS-ISAC}, title = {{Alert (AA20-345A): Cyber Actors Target K-12 Distance Learning Education to Cause Disruptions and Steal Data}}, date = {2020-12-10}, organization = {US-CERT}, url = {https://us-cert.cisa.gov/ncas/alerts/aa20-345a}, language = {English}, urldate = {2020-12-11} } Alert (AA20-345A): Cyber Actors Target K-12 Distance Learning Education to Cause Disruptions and Steal Data
PerlBot Shlayer Agent Tesla Cerber Dridex Ghost RAT Kovter Maze MedusaLocker Nanocore RAT Nefilim REvil Ryuk Zeus
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
2020-02-25RSA 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
2018-08-06rinse and REpeat analysisJames Haughom
@online{haughom:20180806:reversing:8b4d9cf, author = {James Haughom}, title = {{Reversing Cerber - RaaS}}, date = {2018-08-06}, organization = {rinse and REpeat analysis}, url = {https://rinseandrepeatanalysis.blogspot.com/2018/08/reversing-cerber-raas.html}, language = {English}, urldate = {2020-01-08} } Reversing Cerber - RaaS
Cerber
2018-07-26IEEE Symposium on Security and Privacy (SP)Danny Yuxing Huang, Maxwell Matthaios Aliapoulios, Vector Guo Li, Luca Invernizzi, Kylie McRoberts, Elie Bursztein, Jonathan Levin, Kirill Levchenko, Alex C. Snoeren, Damon McCoy
@techreport{huang:20180726:tracking:b51d0ee, author = {Danny Yuxing Huang and Maxwell Matthaios Aliapoulios and Vector Guo Li and Luca Invernizzi and Kylie McRoberts and Elie Bursztein and Jonathan Levin and Kirill Levchenko and Alex C. Snoeren and Damon McCoy}, title = {{Tracking Ransomware End-to-end}}, date = {2018-07-26}, institution = {IEEE Symposium on Security and Privacy (SP)}, url = {https://storage.googleapis.com/pub-tools-public-publication-data/pdf/ce44cbda9fdc061050c1d2a5dec0270874a9dc85.pdf}, language = {English}, urldate = {2021-04-16} } Tracking Ransomware End-to-end
Cerber Locky WannaCryptor
2017-12Check PointStanislav Skuratovich, Neomi Rona
@online{skuratovich:201712:nine:f4ecc23, author = {Stanislav Skuratovich and Neomi Rona}, title = {{Nine circles of Cerber}}, date = {2017-12}, organization = {Check Point}, url = {https://www.virusbulletin.com/virusbulletin/2017/12/vb2017-paper-nine-circles-cerber/}, language = {English}, urldate = {2019-11-26} } Nine circles of Cerber
Cerber
2017-03-28Trend MicroGilbert Sison
@online{sison:20170328:cerber:cfb6c77, author = {Gilbert Sison}, title = {{Cerber Starts Evading Machine Learning}}, date = {2017-03-28}, organization = {Trend Micro}, url = {http://blog.trendmicro.com/trendlabs-security-intelligence/cerber-starts-evading-machine-learning/}, language = {English}, urldate = {2019-12-19} } Cerber Starts Evading Machine Learning
Cerber
2016-03-11Malwarebyteshasherezade
@online{hasherezade:20160311:cerber:f1fb954, author = {hasherezade}, title = {{Cerber ransomware: new, but mature}}, date = {2016-03-11}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/threat-analysis/2016/03/cerber-ransomware-new-but-mature/}, language = {English}, urldate = {2019-12-20} } Cerber ransomware: new, but mature
Cerber
Yara Rules
[TLP:WHITE] win_cerber_auto (20220411 | Detects win.cerber.)
rule win_cerber_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-04-08"
        version = "1"
        description = "Detects win.cerber."
        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.cerber"
        malpedia_rule_date = "20220405"
        malpedia_hash = "ecd38294bd47d5589be5cd5490dc8bb4804afc2a"
        malpedia_version = "20220411"
        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 = { 6a00 47 56 893d???????? }
            // n = 4, score = 1200
            //   6a00                 | push                0
            //   47                   | inc                 edi
            //   56                   | push                esi
            //   893d????????         |                     

        $sequence_1 = { 33f9 8b88d0000000 89b850010000 8b7de8 23b8c8000000 }
            // n = 5, score = 1200
            //   33f9                 | xor                 edi, ecx
            //   8b88d0000000         | mov                 ecx, dword ptr [eax + 0xd0]
            //   89b850010000         | mov                 dword ptr [eax + 0x150], edi
            //   8b7de8               | mov                 edi, dword ptr [ebp - 0x18]
            //   23b8c8000000         | and                 edi, dword ptr [eax + 0xc8]

        $sequence_2 = { 83e107 c745fc08000000 7403 894dfc 8b5d0c 8a1c1f }
            // n = 6, score = 1200
            //   83e107               | and                 ecx, 7
            //   c745fc08000000       | mov                 dword ptr [ebp - 4], 8
            //   7403                 | je                  5
            //   894dfc               | mov                 dword ptr [ebp - 4], ecx
            //   8b5d0c               | mov                 ebx, dword ptr [ebp + 0xc]
            //   8a1c1f               | mov                 bl, byte ptr [edi + ebx]

        $sequence_3 = { 83e107 7416 8b5d08 8bd1 8bf0 c1ee03 8a1c1e }
            // n = 7, score = 1200
            //   83e107               | and                 ecx, 7
            //   7416                 | je                  0x18
            //   8b5d08               | mov                 ebx, dword ptr [ebp + 8]
            //   8bd1                 | mov                 edx, ecx
            //   8bf0                 | mov                 esi, eax
            //   c1ee03               | shr                 esi, 3
            //   8a1c1e               | mov                 bl, byte ptr [esi + ebx]

        $sequence_4 = { 3bf9 7415 8b4d0c 0fb60c0f }
            // n = 4, score = 1200
            //   3bf9                 | cmp                 edi, ecx
            //   7415                 | je                  0x17
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   0fb60c0f             | movzx               ecx, byte ptr [edi + ecx]

        $sequence_5 = { 33c0 5b c9 c3 55 8bec 8b550c }
            // n = 7, score = 1200
            //   33c0                 | xor                 eax, eax
            //   5b                   | pop                 ebx
            //   c9                   | leave               
            //   c3                   | ret                 
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]

        $sequence_6 = { 53 ff7508 8bc6 e8???????? 83c40c 85c0 7411 }
            // n = 7, score = 1200
            //   53                   | push                ebx
            //   ff7508               | push                dword ptr [ebp + 8]
            //   8bc6                 | mov                 eax, esi
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   85c0                 | test                eax, eax
            //   7411                 | je                  0x13

        $sequence_7 = { 0f8c3effffff 5e 5b 5f }
            // n = 4, score = 1200
            //   0f8c3effffff         | jl                  0xffffff44
            //   5e                   | pop                 esi
            //   5b                   | pop                 ebx
            //   5f                   | pop                 edi

    condition:
        7 of them and filesize < 573440
}
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