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 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 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 (20220516 | Detects win.cutwail.)
rule win_cutwail_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-05-16"
        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 = "20220513"
        malpedia_hash = "7f4b2229e6ae614d86d74917f6d5b41890e62a26"
        malpedia_version = "20220516"
        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 = { 8b3c38 89540f04 8b556c 8b1410 }
            // n = 4, score = 100
            //   8b3c38               | mov                 edi, dword ptr [eax + edi]
            //   89540f04             | mov                 dword ptr [edi + ecx + 4], edx
            //   8b556c               | mov                 edx, dword ptr [ebp + 0x6c]
            //   8b1410               | mov                 edx, dword ptr [eax + edx]

        $sequence_1 = { 53 53 8d8554feffff 50 688e000000 }
            // n = 5, score = 100
            //   53                   | push                ebx
            //   53                   | push                ebx
            //   8d8554feffff         | lea                 eax, [ebp - 0x1ac]
            //   50                   | push                eax
            //   688e000000           | push                0x8e

        $sequence_2 = { c78564feffff00000000 ff15???????? 898568feffff c68563feffff00 83bd6cfeffff00 }
            // n = 5, score = 100
            //   c78564feffff00000000     | mov    dword ptr [ebp - 0x19c], 0
            //   ff15????????         |                     
            //   898568feffff         | mov                 dword ptr [ebp - 0x198], eax
            //   c68563feffff00       | mov                 byte ptr [ebp - 0x19d], 0
            //   83bd6cfeffff00       | cmp                 dword ptr [ebp - 0x194], 0

        $sequence_3 = { 50 897d48 897d14 c6455b00 }
            // n = 4, score = 100
            //   50                   | push                eax
            //   897d48               | mov                 dword ptr [ebp + 0x48], edi
            //   897d14               | mov                 dword ptr [ebp + 0x14], edi
            //   c6455b00             | mov                 byte ptr [ebp + 0x5b], 0

        $sequence_4 = { ff15???????? e9???????? 8b956cfeffff 83c201 89956cfeffff }
            // n = 5, score = 100
            //   ff15????????         |                     
            //   e9????????           |                     
            //   8b956cfeffff         | mov                 edx, dword ptr [ebp - 0x194]
            //   83c201               | add                 edx, 1
            //   89956cfeffff         | mov                 dword ptr [ebp - 0x194], edx

        $sequence_5 = { 83fa01 0f859d010000 8b856cfeffff 8b0c851cf62004 51 e8???????? }
            // n = 6, score = 100
            //   83fa01               | cmp                 edx, 1
            //   0f859d010000         | jne                 0x1a3
            //   8b856cfeffff         | mov                 eax, dword ptr [ebp - 0x194]
            //   8b0c851cf62004       | mov                 ecx, dword ptr [eax*4 + 0x420f61c]
            //   51                   | push                ecx
            //   e8????????           |                     

        $sequence_6 = { 894d10 ebc3 6a00 6a00 8b550c 52 }
            // n = 6, score = 100
            //   894d10               | mov                 dword ptr [ebp + 0x10], ecx
            //   ebc3                 | jmp                 0xffffffc5
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]
            //   52                   | push                edx

        $sequence_7 = { e8???????? 8b0f 83c410 395d0c }
            // n = 4, score = 100
            //   e8????????           |                     
            //   8b0f                 | mov                 ecx, dword ptr [edi]
            //   83c410               | add                 esp, 0x10
            //   395d0c               | cmp                 dword ptr [ebp + 0xc], ebx

        $sequence_8 = { 7419 8b4518 833800 7511 837df800 7e0b }
            // n = 6, score = 100
            //   7419                 | je                  0x1b
            //   8b4518               | mov                 eax, dword ptr [ebp + 0x18]
            //   833800               | cmp                 dword ptr [eax], 0
            //   7511                 | jne                 0x13
            //   837df800             | cmp                 dword ptr [ebp - 8], 0
            //   7e0b                 | jle                 0xd

        $sequence_9 = { 8b8d5cfeffff 3b8d68feffff 730e 8b955cfeffff 899568feffff eb46 }
            // n = 6, score = 100
            //   8b8d5cfeffff         | mov                 ecx, dword ptr [ebp - 0x1a4]
            //   3b8d68feffff         | cmp                 ecx, dword ptr [ebp - 0x198]
            //   730e                 | jae                 0x10
            //   8b955cfeffff         | mov                 edx, dword ptr [ebp - 0x1a4]
            //   899568feffff         | mov                 dword ptr [ebp - 0x198], edx
            //   eb46                 | jmp                 0x48

        $sequence_10 = { 83c404 8985e4fdffff 6a07 e8???????? 83c404 8985e8fdffff 6888130000 }
            // n = 7, score = 100
            //   83c404               | add                 esp, 4
            //   8985e4fdffff         | mov                 dword ptr [ebp - 0x21c], eax
            //   6a07                 | push                7
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   8985e8fdffff         | mov                 dword ptr [ebp - 0x218], eax
            //   6888130000           | push                0x1388

        $sequence_11 = { eb77 83bd6cfeffff05 7d6e ff15???????? 89855cfeffff 8b8d5cfeffff 3b8d68feffff }
            // n = 7, score = 100
            //   eb77                 | jmp                 0x79
            //   83bd6cfeffff05       | cmp                 dword ptr [ebp - 0x194], 5
            //   7d6e                 | jge                 0x70
            //   ff15????????         |                     
            //   89855cfeffff         | mov                 dword ptr [ebp - 0x1a4], eax
            //   8b8d5cfeffff         | mov                 ecx, dword ptr [ebp - 0x1a4]
            //   3b8d68feffff         | cmp                 ecx, dword ptr [ebp - 0x198]

        $sequence_12 = { 51 e8???????? 8b4550 8b4d74 }
            // n = 4, score = 100
            //   51                   | push                ecx
            //   e8????????           |                     
            //   8b4550               | mov                 eax, dword ptr [ebp + 0x50]
            //   8b4d74               | mov                 ecx, dword ptr [ebp + 0x74]

        $sequence_13 = { 8bf8 83c410 3bfb 7422 }
            // n = 4, score = 100
            //   8bf8                 | mov                 edi, eax
            //   83c410               | add                 esp, 0x10
            //   3bfb                 | cmp                 edi, ebx
            //   7422                 | je                  0x24

        $sequence_14 = { 33c0 ebf7 8b442404 8b4808 }
            // n = 4, score = 100
            //   33c0                 | xor                 eax, eax
            //   ebf7                 | jmp                 0xfffffff9
            //   8b442404             | mov                 eax, dword ptr [esp + 4]
            //   8b4808               | mov                 ecx, dword ptr [eax + 8]

        $sequence_15 = { 7459 8b06 3bc7 7453 }
            // n = 4, score = 100
            //   7459                 | je                  0x5b
            //   8b06                 | mov                 eax, dword ptr [esi]
            //   3bc7                 | cmp                 eax, edi
            //   7453                 | je                  0x55

    condition:
        7 of them and filesize < 262144
}
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