SYMBOLCOMMON_NAMEaka. SYNONYMS
win.cutwail (Back to overview)

Cutwail

Actor(s): NARWHAL SPIDER


There is no description at this point.

References
2022-02-08DARKNET DIARIESDARKNET DIARIES
@online{diaries:20220208:ep:9f11b1b, author = {DARKNET DIARIES}, title = {{EP 110: Spam Botnets}}, date = {2022-02-08}, organization = {DARKNET DIARIES}, url = {https://darknetdiaries.com/episode/110/}, language = {English}, urldate = {2022-02-14} } EP 110: Spam Botnets
Cutwail Rustock
2021-03-11IBMDave McMillen, Limor Kessem
@online{mcmillen:20210311:dridex:1140b01, author = {Dave McMillen and Limor Kessem}, title = {{Dridex Campaign Propelled by Cutwail Botnet and Poisonous PowerShell Scripts}}, date = {2021-03-11}, organization = {IBM}, url = {https://securityintelligence.com/dridex-campaign-propelled-by-cutwail-botnet-and-powershell/}, language = {English}, urldate = {2021-03-12} } Dridex Campaign Propelled by Cutwail Botnet and Poisonous PowerShell Scripts
Cutwail Dridex
2021-02-23CrowdStrikeCrowdStrike
@techreport{crowdstrike:20210223:2021:bf5bc4f, author = {CrowdStrike}, title = {{2021 Global Threat Report}}, date = {2021-02-23}, institution = {CrowdStrike}, url = {https://go.crowdstrike.com/rs/281-OBQ-266/images/Report2021GTR.pdf}, language = {English}, urldate = {2021-02-25} } 2021 Global Threat Report
RansomEXX Amadey Anchor Avaddon BazarBackdoor Clop Cobalt Strike Conti Cutwail DanaBot DarkSide DoppelPaymer Dridex Egregor Emotet Hakbit IcedID JSOutProx KerrDown LockBit Mailto Maze MedusaLocker Mespinoza Mount Locker NedDnLoader Nemty Pay2Key PlugX Pushdo PwndLocker PyXie QakBot Quasar RAT RagnarLocker Ragnarok RansomEXX REvil Ryuk Sekhmet ShadowPad SmokeLoader Snake SUNBURST SunCrypt TEARDROP TrickBot WastedLocker Winnti Zloader KNOCKOUT SPIDER OUTLAW SPIDER RIDDLE SPIDER SOLAR SPIDER VIKING SPIDER
2021-01-06MimecastMatthew Gardiner
@online{gardiner:20210106:how:b9e3a36, author = {Matthew Gardiner}, title = {{How to Slam a Door on the Cutwail Botnet: Enforce DMARC}}, date = {2021-01-06}, organization = {Mimecast}, url = {https://www.mimecast.com/blog/how-to-slam-a-door-on-the-cutwail-botnet-enforce-dmarc/}, language = {English}, urldate = {2021-01-27} } How to Slam a Door on the Cutwail Botnet: Enforce DMARC
Cutwail
2020-09-07Github (pan-unit42)Brad Duncan
@online{duncan:20200907:collection:09ab7be, author = {Brad Duncan}, title = {{Collection of recent Dridex IOCs}}, date = {2020-09-07}, organization = {Github (pan-unit42)}, url = {https://github.com/pan-unit42/tweets/blob/master/2020-09-07-Dridex-IOCs.txt}, language = {English}, urldate = {2020-09-15} } Collection of recent Dridex IOCs
Cutwail Dridex
2020-07-17CERT-FRCERT-FR
@techreport{certfr:20200717:malware:5c58cdf, author = {CERT-FR}, title = {{The Malware Dridex: Origins and Uses}}, date = {2020-07-17}, institution = {CERT-FR}, url = {https://www.cert.ssi.gouv.fr/uploads/CERTFR-2020-CTI-008.pdf}, language = {English}, urldate = {2020-07-20} } The Malware Dridex: Origins and Uses
Andromeda CryptoLocker Cutwail DoppelPaymer Dridex Emotet FriedEx Gameover P2P Gandcrab ISFB Murofet Necurs Predator The Thief Zeus
2020-03-15The Shadowserver FoundationShadowserver Foundation
@online{foundation:20200315:has:80a92d5, author = {Shadowserver Foundation}, title = {{Has The Sun Set On The Necurs Botnet?}}, date = {2020-03-15}, organization = {The Shadowserver Foundation}, url = {https://www.shadowserver.org/news/has-the-sun-set-on-the-necurs-botnet/}, language = {English}, urldate = {2020-03-17} } Has The Sun Set On The Necurs Botnet?
Andromeda Cutwail Kelihos Necurs Pushdo
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 APT23 APT31 APT39 APT40 BlackTech BuhTrap Charming Kitten CLOCKWORK SPIDER DOPPEL SPIDER FIN7 Gamaredon Group GOBLIN PANDA MONTY SPIDER MUSTANG PANDA NARWHAL SPIDER NOCTURNAL SPIDER PINCHY SPIDER SALTY SPIDER SCULLY SPIDER SMOKY SPIDER Thrip VENOM SPIDER VICEROY TIGER
2020-01-17Ken Sajo, Yasuhiro Takeda, Yusuke Niwa
@techreport{sajo:20200117:battle:2b146f5, author = {Ken Sajo and Yasuhiro Takeda and Yusuke Niwa}, title = {{Battle Against Ursnif Malspam Campaign targeting Japan}}, date = {2020-01-17}, institution = {}, url = {https://jsac.jpcert.or.jp/archive/2020/pdf/JSAC2020_5_sajo-takeda-niwa_en.pdf}, language = {English}, urldate = {2020-01-17} } Battle Against Ursnif Malspam Campaign targeting Japan
Cutwail ISFB TrickBot UrlZone
2020SecureworksSecureWorks
@online{secureworks:2020:gold:65f4550, author = {SecureWorks}, title = {{GOLD ESSEX}}, date = {2020}, organization = {Secureworks}, url = {http://www.secureworks.com/research/threat-profiles/gold-essex}, language = {English}, urldate = {2020-05-27} } GOLD ESSEX
Cutwail Pony Pushdo NARWHAL SPIDER
2019-09-09McAfeeThomas Roccia, Marc Rivero López, Chintan Shah
@online{roccia:20190909:evolution:baf3b6c, author = {Thomas Roccia and Marc Rivero López and Chintan Shah}, title = {{Evolution of Malware Sandbox Evasion Tactics – A Retrospective Study}}, date = {2019-09-09}, organization = {McAfee}, url = {https://www.mcafee.com/blogs/other-blogs/mcafee-labs/evolution-of-malware-sandbox-evasion-tactics-a-retrospective-study/}, language = {English}, urldate = {2020-08-30} } Evolution of Malware Sandbox Evasion Tactics – A Retrospective Study
Cutwail Dridex Dyre Kovter Locky Phorpiex Simda
2010MandiantEro Carrera, Peter Silberman
@techreport{carrera:2010:state:687e608, author = {Ero Carrera and Peter Silberman}, title = {{State of Malware: Family Ties}}, date = {2010}, institution = {Mandiant}, url = {https://web.archive.org/web/20160616170611/https://media.blackhat.com/bh-eu-10/presentations/Carrera_Silberman/BlackHat-EU-2010-Carrera-Silberman-State-of-Malware-slides.pdf}, language = {English}, urldate = {2022-01-28} } State of Malware: Family Ties
Bredolab Conficker Cutwail KoobFace Oderoor Poison Ivy Rustock Sinowal Szribi Zeus
Yara Rules
[TLP:WHITE] win_cutwail_auto (20221125 | Detects win.cutwail.)
rule win_cutwail_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-11-21"
        version = "1"
        description = "Detects win.cutwail."
        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.cutwail"
        malpedia_rule_date = "20221118"
        malpedia_hash = "e0702e2e6d1d00da65c8a29a4ebacd0a4c59e1af"
        malpedia_version = "20221125"
        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 = { 832700 83650c00 33db 3bf3 }
            // n = 4, score = 200
            //   832700               | and                 dword ptr [edi], 0
            //   83650c00             | and                 dword ptr [ebp + 0xc], 0
            //   33db                 | xor                 ebx, ebx
            //   3bf3                 | cmp                 esi, ebx

        $sequence_1 = { 80c36b 83c410 47 837d0c00 }
            // n = 4, score = 200
            //   80c36b               | add                 bl, 0x6b
            //   83c410               | add                 esp, 0x10
            //   47                   | inc                 edi
            //   837d0c00             | cmp                 dword ptr [ebp + 0xc], 0

        $sequence_2 = { 8b4508 8b00 2bc7 8d4408ff }
            // n = 4, score = 200
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   2bc7                 | sub                 eax, edi
            //   8d4408ff             | lea                 eax, [eax + ecx - 1]

        $sequence_3 = { 56 ff510c 85c0 7412 53 }
            // n = 5, score = 200
            //   56                   | push                esi
            //   ff510c               | call                dword ptr [ecx + 0xc]
            //   85c0                 | test                eax, eax
            //   7412                 | je                  0x14
            //   53                   | push                ebx

        $sequence_4 = { 7403 89702b 897514 8a455b }
            // n = 4, score = 200
            //   7403                 | je                  5
            //   89702b               | mov                 dword ptr [eax + 0x2b], esi
            //   897514               | mov                 dword ptr [ebp + 0x14], esi
            //   8a455b               | mov                 al, byte ptr [ebp + 0x5b]

        $sequence_5 = { 6880000000 ff750c 895d08 e8???????? 83c40c }
            // n = 5, score = 200
            //   6880000000           | push                0x80
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   895d08               | mov                 dword ptr [ebp + 8], ebx
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc

        $sequence_6 = { 6a00 8945fc 8d450c 6a00 }
            // n = 4, score = 200
            //   6a00                 | push                0
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   8d450c               | lea                 eax, [ebp + 0xc]
            //   6a00                 | push                0

        $sequence_7 = { e8???????? 59 894558 395e21 740c }
            // n = 5, score = 200
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   894558               | mov                 dword ptr [ebp + 0x58], eax
            //   395e21               | cmp                 dword ptr [esi + 0x21], ebx
            //   740c                 | je                  0xe

    condition:
        7 of them and filesize < 262144
}
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