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
2019-04-16Robert 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 (20201023 | autogenerated rule brought to you by yara-signator)
rule win_helminth_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-12-22"
        version = "1"
        description = "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 = "20201222"
        malpedia_hash = "30354d830a29f0fbd3714d93d94dea941d77a130"
        malpedia_version = "20201023"
        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 = { ffb5f4fdffff 8d85fcfdffff 6a0a 6a01 57 50 53 }
            // n = 7, score = 200
            //   ffb5f4fdffff         | push                dword ptr [ebp - 0x20c]
            //   8d85fcfdffff         | lea                 eax, [ebp - 0x204]
            //   6a0a                 | push                0xa
            //   6a01                 | push                1
            //   57                   | push                edi
            //   50                   | push                eax
            //   53                   | push                ebx

        $sequence_2 = { ffd0 6a00 6a00 6a00 68???????? }
            // n = 5, score = 200
            //   ffd0                 | call                eax
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   6a00                 | push                0
            //   68????????           |                     

        $sequence_3 = { 8b45e0 8d4e0c 6a06 8d90dc6b0110 5f }
            // n = 5, score = 200
            //   8b45e0               | mov                 eax, dword ptr [ebp - 0x20]
            //   8d4e0c               | lea                 ecx, [esi + 0xc]
            //   6a06                 | push                6
            //   8d90dc6b0110         | lea                 edx, [eax + 0x10016bdc]
            //   5f                   | pop                 edi

        $sequence_4 = { c1f805 83e11f c1e106 8b048570750110 88540804 8b0f 8bc1 }
            // n = 7, score = 200
            //   c1f805               | sar                 eax, 5
            //   83e11f               | and                 ecx, 0x1f
            //   c1e106               | shl                 ecx, 6
            //   8b048570750110       | mov                 eax, dword ptr [eax*4 + 0x10017570]
            //   88540804             | mov                 byte ptr [eax + ecx + 4], dl
            //   8b0f                 | mov                 ecx, dword ptr [edi]
            //   8bc1                 | mov                 eax, ecx

        $sequence_5 = { 83f81e 7ce5 8b0d???????? 33f6 a1???????? 8d1481 }
            // n = 6, score = 200
            //   83f81e               | cmp                 eax, 0x1e
            //   7ce5                 | jl                  0xffffffe7
            //   8b0d????????         |                     
            //   33f6                 | xor                 esi, esi
            //   a1????????           |                     
            //   8d1481               | lea                 edx, [ecx + eax*4]

        $sequence_6 = { 6a00 6a01 6a04 56 ff15???????? 50 ff15???????? }
            // n = 7, score = 200
            //   6a00                 | push                0
            //   6a01                 | push                1
            //   6a04                 | push                4
            //   56                   | push                esi
            //   ff15????????         |                     
            //   50                   | push                eax
            //   ff15????????         |                     

        $sequence_7 = { a3???????? e8???????? 6a10 a3???????? e8???????? 8bf0 83c410 }
            // n = 7, score = 200
            //   a3????????           |                     
            //   e8????????           |                     
            //   6a10                 | push                0x10
            //   a3????????           |                     
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   83c410               | add                 esp, 0x10

        $sequence_8 = { 8bca 894db8 668b02 83c202 663bc3 }
            // n = 5, score = 100
            //   8bca                 | mov                 ecx, edx
            //   894db8               | mov                 dword ptr [ebp - 0x48], ecx
            //   668b02               | mov                 ax, word ptr [edx]
            //   83c202               | add                 edx, 2
            //   663bc3               | cmp                 ax, bx

        $sequence_9 = { e8???????? 8b4de8 8d55fc 33f6 56 }
            // n = 5, score = 100
            //   e8????????           |                     
            //   8b4de8               | mov                 ecx, dword ptr [ebp - 0x18]
            //   8d55fc               | lea                 edx, [ebp - 4]
            //   33f6                 | xor                 esi, esi
            //   56                   | push                esi

        $sequence_10 = { 897e14 897e70 6a43 58 668986b8000000 668986be010000 c7466890d34100 }
            // n = 7, score = 100
            //   897e14               | mov                 dword ptr [esi + 0x14], edi
            //   897e70               | mov                 dword ptr [esi + 0x70], edi
            //   6a43                 | push                0x43
            //   58                   | pop                 eax
            //   668986b8000000       | mov                 word ptr [esi + 0xb8], ax
            //   668986be010000       | mov                 word ptr [esi + 0x1be], ax
            //   c7466890d34100       | mov                 dword ptr [esi + 0x68], 0x41d390

        $sequence_11 = { 7454 68dc3f0000 e8???????? 834df4ff }
            // n = 4, score = 100
            //   7454                 | je                  0x56
            //   68dc3f0000           | push                0x3fdc
            //   e8????????           |                     
            //   834df4ff             | or                  dword ptr [ebp - 0xc], 0xffffffff

        $sequence_12 = { 8bce e8???????? 56 e8???????? 8b7df8 }
            // n = 5, score = 100
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     
            //   56                   | push                esi
            //   e8????????           |                     
            //   8b7df8               | mov                 edi, dword ptr [ebp - 8]

        $sequence_13 = { 68f4010000 51 50 ff15???????? 68e8030000 e8???????? 8b950cfcffff }
            // n = 7, score = 100
            //   68f4010000           | push                0x1f4
            //   51                   | push                ecx
            //   50                   | push                eax
            //   ff15????????         |                     
            //   68e8030000           | push                0x3e8
            //   e8????????           |                     
            //   8b950cfcffff         | mov                 edx, dword ptr [ebp - 0x3f4]

        $sequence_14 = { 8b0c81 e8???????? 8bd0 8945d4 8bf2 668b0a 83c202 }
            // n = 7, score = 100
            //   8b0c81               | mov                 ecx, dword ptr [ecx + eax*4]
            //   e8????????           |                     
            //   8bd0                 | mov                 edx, eax
            //   8945d4               | mov                 dword ptr [ebp - 0x2c], eax
            //   8bf2                 | mov                 esi, edx
            //   668b0a               | mov                 cx, word ptr [edx]
            //   83c202               | add                 edx, 2

    condition:
        7 of them and filesize < 479232
}
Download all Yara Rules