SYMBOLCOMMON_NAMEaka. SYNONYMS
win.ismagent (Back to overview)

ISMAgent

Actor(s): Greenbug, APT34


There is no description at this point.

References
2020-05-19SymantecCritical Attack Discovery and Intelligence Team
@online{team:20200519:sophisticated:023b1bd, author = {Critical Attack Discovery and Intelligence Team}, title = {{Sophisticated Espionage Group Turns Attention to Telecom Providers in South Asia}}, date = {2020-05-19}, organization = {Symantec}, url = {https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/greenbug-espionage-telco-south-asia}, language = {English}, urldate = {2020-05-20} } Sophisticated Espionage Group Turns Attention to Telecom Providers in South Asia
ISMAgent ISMDoor
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
2017-08-28ClearSkyClearSky Research Team
@online{team:20170828:recent:fab1e53, author = {ClearSky Research Team}, title = {{Recent ISMAgent Samples and Infrastructure by Iranian Threat Group GreenBug}}, date = {2017-08-28}, organization = {ClearSky}, url = {http://www.clearskysec.com/ismagent/}, language = {English}, urldate = {2019-12-19} } Recent ISMAgent Samples and Infrastructure by Iranian Threat Group GreenBug
ISMAgent
Yara Rules
[TLP:WHITE] win_ismagent_auto (20220516 | Detects win.ismagent.)
rule win_ismagent_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-05-16"
        version = "1"
        description = "Detects win.ismagent."
        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.ismagent"
        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 = { 6a00 57 e8???????? 83c40c 57 8b7c242c }
            // n = 6, score = 200
            //   6a00                 | push                0
            //   57                   | push                edi
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   57                   | push                edi
            //   8b7c242c             | mov                 edi, dword ptr [esp + 0x2c]

        $sequence_1 = { 3a8848c74100 7408 3a884cc74100 7567 8bcf }
            // n = 5, score = 200
            //   3a8848c74100         | cmp                 cl, byte ptr [eax + 0x41c748]
            //   7408                 | je                  0xa
            //   3a884cc74100         | cmp                 cl, byte ptr [eax + 0x41c74c]
            //   7567                 | jne                 0x69
            //   8bcf                 | mov                 ecx, edi

        $sequence_2 = { 743b 8d4664 50 e8???????? 83c404 }
            // n = 5, score = 200
            //   743b                 | je                  0x3d
            //   8d4664               | lea                 eax, [esi + 0x64]
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c404               | add                 esp, 4

        $sequence_3 = { 8b04bd48404200 834c0318ff 33c0 eb16 e8???????? }
            // n = 5, score = 200
            //   8b04bd48404200       | mov                 eax, dword ptr [edi*4 + 0x424048]
            //   834c0318ff           | or                  dword ptr [ebx + eax + 0x18], 0xffffffff
            //   33c0                 | xor                 eax, eax
            //   eb16                 | jmp                 0x18
            //   e8????????           |                     

        $sequence_4 = { 0f8575ffffff 8d8c2418030000 49 8a4101 8d4901 84c0 }
            // n = 6, score = 200
            //   0f8575ffffff         | jne                 0xffffff7b
            //   8d8c2418030000       | lea                 ecx, [esp + 0x318]
            //   49                   | dec                 ecx
            //   8a4101               | mov                 al, byte ptr [ecx + 1]
            //   8d4901               | lea                 ecx, [ecx + 1]
            //   84c0                 | test                al, al

        $sequence_5 = { 6a0a 8b048d48404200 5b 8b543818 }
            // n = 4, score = 200
            //   6a0a                 | push                0xa
            //   8b048d48404200       | mov                 eax, dword ptr [ecx*4 + 0x424048]
            //   5b                   | pop                 ebx
            //   8b543818             | mov                 edx, dword ptr [eax + edi + 0x18]

        $sequence_6 = { 50 8d8c240c170000 e8???????? 83c404 8bf0 8bce e8???????? }
            // n = 7, score = 200
            //   50                   | push                eax
            //   8d8c240c170000       | lea                 ecx, [esp + 0x170c]
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   8bf0                 | mov                 esi, eax
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     

        $sequence_7 = { eb03 57 6af6 ff15???????? 8b049d48404200 }
            // n = 5, score = 200
            //   eb03                 | jmp                 5
            //   57                   | push                edi
            //   6af6                 | push                -0xa
            //   ff15????????         |                     
            //   8b049d48404200       | mov                 eax, dword ptr [ebx*4 + 0x424048]

    condition:
        7 of them and filesize < 327680
}
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