SYMBOLCOMMON_NAMEaka. SYNONYMS
win.helminth (Back to overview)

Helminth

Actor(s): APT34


There is no description at this point.

References
2020SecureworksSecureWorks
@online{secureworks:2020:cobalt:ce31320, author = {SecureWorks}, title = {{COBALT GYPSY}}, date = {2020}, organization = {Secureworks}, url = {https://www.secureworks.com/research/threat-profiles/cobalt-gypsy}, language = {English}, urldate = {2020-05-23} } COBALT GYPSY
TwoFace MacDownloader BONDUPDATER pupy Helminth jason RGDoor TinyZbot OilRig
2019-08-22CywareCyware
@online{cyware:20190822:apt34:3439fde, author = {Cyware}, title = {{APT34: The Helix Kitten Cybercriminal Group Loves to Meow Middle Eastern and International Organizations}}, date = {2019-08-22}, organization = {Cyware}, url = {https://cyware.com/blog/apt34-the-helix-kitten-cybercriminal-group-loves-to-meow-middle-eastern-and-international-organizations-48ae}, language = {English}, urldate = {2021-06-29} } APT34: The Helix Kitten Cybercriminal Group Loves to Meow Middle Eastern and International Organizations
TwoFace BONDUPDATER POWRUNER QUADAGENT Helminth ISMAgent Karkoff LONGWATCH OopsIE PICKPOCKET RGDoor VALUEVAULT
2019-04-16Robert Falcone
@online{falcone:20190416:dns:fed953e, author = {Robert Falcone}, title = {{DNS Tunneling in the Wild: Overview of OilRig’s DNS Tunneling}}, date = {2019-04-16}, url = {https://unit42.paloaltonetworks.com/dns-tunneling-in-the-wild-overview-of-oilrigs-dns-tunneling/}, language = {English}, urldate = {2019-12-03} } DNS Tunneling in the Wild: Overview of OilRig’s DNS Tunneling
BONDUPDATER QUADAGENT Alma Communicator Helminth ISMAgent
2017-04-27MorphisecMichael Gorelik
@online{gorelik:20170427:iranian:4ab7f08, author = {Michael Gorelik}, title = {{Iranian Fileless Attack Infiltrates Israeli Organizations}}, date = {2017-04-27}, organization = {Morphisec}, url = {https://blog.morphisec.com/iranian-fileless-cyberattack-on-israel-word-vulnerability}, language = {English}, urldate = {2020-07-30} } Iranian Fileless Attack Infiltrates Israeli Organizations
Helminth OilRig
2016-10-04Palo Alto Networks Unit 42Josh Grunzweig, Robert Falcone
@online{grunzweig:20161004:oilrig:72c4b0e, author = {Josh Grunzweig and Robert Falcone}, title = {{OilRig Malware Campaign Updates Toolset and Expands Targets}}, date = {2016-10-04}, organization = {Palo Alto Networks Unit 42}, url = {http://researchcenter.paloaltonetworks.com/2016/10/unit42-oilrig-malware-campaign-updates-toolset-and-expands-targets/}, language = {English}, urldate = {2019-12-20} } OilRig Malware Campaign Updates Toolset and Expands Targets
Helminth
2016-05-26Palo Alto Networks Unit 42Robert Falcone, Bryan Lee
@online{falcone:20160526:oilrig:89b6b4d, author = {Robert Falcone and Bryan Lee}, title = {{The OilRig Campaign: Attacks on Saudi Arabian Organizations Deliver Helminth Backdoor}}, date = {2016-05-26}, organization = {Palo Alto Networks Unit 42}, url = {https://researchcenter.paloaltonetworks.com/2016/05/the-oilrig-campaign-attacks-on-saudi-arabian-organizations-deliver-helminth-backdoor/}, language = {English}, urldate = {2019-12-20} } The OilRig Campaign: Attacks on Saudi Arabian Organizations Deliver Helminth Backdoor
Helminth
2016-05-22FireEyeSudeep Singh, Yin Hong Chang
@online{singh:20160522:targeted:5baf70d, author = {Sudeep Singh and Yin Hong Chang}, title = {{Targeted Attacks against Banks in the Middle East}}, date = {2016-05-22}, organization = {FireEye}, url = {https://www.fireeye.com/blog/threat-research/2016/05/targeted_attacksaga.html}, language = {English}, urldate = {2019-12-20} } Targeted Attacks against Banks in the Middle East
Helminth OilRig
Yara Rules
[TLP:WHITE] win_helminth_auto (20221125 | Detects win.helminth.)
rule win_helminth_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-11-21"
        version = "1"
        description = "Detects win.helminth."
        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.helminth"
        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 = { a1???????? 68e8030000 8907 e8???????? }
            // n = 4, score = 300
            //   a1????????           |                     
            //   68e8030000           | push                0x3e8
            //   8907                 | mov                 dword ptr [edi], eax
            //   e8????????           |                     

        $sequence_1 = { ba02000000 8d4040 f7e2 0f90c1 f7d9 }
            // n = 5, score = 200
            //   ba02000000           | mov                 edx, 2
            //   8d4040               | lea                 eax, [eax + 0x40]
            //   f7e2                 | mul                 edx
            //   0f90c1               | seto                cl
            //   f7d9                 | neg                 ecx

        $sequence_2 = { e8???????? 83c40c 5e 6a00 }
            // n = 4, score = 200
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   5e                   | pop                 esi
            //   6a00                 | push                0

        $sequence_3 = { 8d4e0c 6a06 8d90dc6b0110 5f }
            // n = 4, score = 200
            //   8d4e0c               | lea                 ecx, [esi + 0xc]
            //   6a06                 | push                6
            //   8d90dc6b0110         | lea                 edx, [eax + 0x10016bdc]
            //   5f                   | pop                 edi

        $sequence_4 = { 2c2c 2c2c 2c2c 2c2c 1516171819 1a1b }
            // n = 6, score = 200
            //   2c2c                 | sub                 al, 0x2c
            //   2c2c                 | sub                 al, 0x2c
            //   2c2c                 | sub                 al, 0x2c
            //   2c2c                 | sub                 al, 0x2c
            //   1516171819           | adc                 eax, 0x19181716
            //   1a1b                 | sbb                 bl, byte ptr [ebx]

        $sequence_5 = { c1e902 f3a5 8bcb 83e103 f3a4 8b7508 5f }
            // n = 7, score = 200
            //   c1e902               | shr                 ecx, 2
            //   f3a5                 | rep movsd           dword ptr es:[edi], dword ptr [esi]
            //   8bcb                 | mov                 ecx, ebx
            //   83e103               | and                 ecx, 3
            //   f3a4                 | rep movsb           byte ptr es:[edi], byte ptr [esi]
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]
            //   5f                   | pop                 edi

        $sequence_6 = { 8881a8670110 41 ebe8 8975e4 }
            // n = 4, score = 200
            //   8881a8670110         | mov                 byte ptr [ecx + 0x100167a8], al
            //   41                   | inc                 ecx
            //   ebe8                 | jmp                 0xffffffea
            //   8975e4               | mov                 dword ptr [ebp - 0x1c], esi

        $sequence_7 = { 68???????? ffd7 8b7df4 8bce 8bd7 2bd6 8bff }
            // n = 7, score = 200
            //   68????????           |                     
            //   ffd7                 | call                edi
            //   8b7df4               | mov                 edi, dword ptr [ebp - 0xc]
            //   8bce                 | mov                 ecx, esi
            //   8bd7                 | mov                 edx, edi
            //   2bd6                 | sub                 edx, esi
            //   8bff                 | mov                 edi, edi

        $sequence_8 = { bf214e0000 ff75c0 ff15???????? ff75a8 ff15???????? 8b45ac }
            // n = 6, score = 100
            //   bf214e0000           | mov                 edi, 0x4e21
            //   ff75c0               | push                dword ptr [ebp - 0x40]
            //   ff15????????         |                     
            //   ff75a8               | push                dword ptr [ebp - 0x58]
            //   ff15????????         |                     
            //   8b45ac               | mov                 eax, dword ptr [ebp - 0x54]

        $sequence_9 = { ff15???????? 6a0a 8bf0 ff15???????? 2bf3 660f6e05???????? }
            // n = 6, score = 100
            //   ff15????????         |                     
            //   6a0a                 | push                0xa
            //   8bf0                 | mov                 esi, eax
            //   ff15????????         |                     
            //   2bf3                 | sub                 esi, ebx
            //   660f6e05????????     |                     

        $sequence_10 = { 663bc6 75f4 a1???????? 8907 8bbde0feffff }
            // n = 5, score = 100
            //   663bc6               | cmp                 ax, si
            //   75f4                 | jne                 0xfffffff6
            //   a1????????           |                     
            //   8907                 | mov                 dword ptr [edi], eax
            //   8bbde0feffff         | mov                 edi, dword ptr [ebp - 0x120]

        $sequence_11 = { 46 83fe04 7ced 8a4df5 }
            // n = 4, score = 100
            //   46                   | inc                 esi
            //   83fe04               | cmp                 esi, 4
            //   7ced                 | jl                  0xffffffef
            //   8a4df5               | mov                 cl, byte ptr [ebp - 0xb]

        $sequence_12 = { 895dec eb02 33db 837df000 7409 ff75f0 }
            // n = 6, score = 100
            //   895dec               | mov                 dword ptr [ebp - 0x14], ebx
            //   eb02                 | jmp                 4
            //   33db                 | xor                 ebx, ebx
            //   837df000             | cmp                 dword ptr [ebp - 0x10], 0
            //   7409                 | je                  0xb
            //   ff75f0               | push                dword ptr [ebp - 0x10]

        $sequence_13 = { e8???????? 68a00f0000 8945f8 e8???????? }
            // n = 4, score = 100
            //   e8????????           |                     
            //   68a00f0000           | push                0xfa0
            //   8945f8               | mov                 dword ptr [ebp - 8], eax
            //   e8????????           |                     

        $sequence_14 = { f3a4 e8???????? 59 8b4df8 }
            // n = 4, score = 100
            //   f3a4                 | rep movsb           byte ptr es:[edi], byte ptr [esi]
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   8b4df8               | mov                 ecx, dword ptr [ebp - 8]

    condition:
        7 of them and filesize < 479232
}
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