SYMBOLCOMMON_NAMEaka. SYNONYMS
win.doublepulsar (Back to overview)

DoublePulsar

Actor(s): Equation Group, UPS

URLhaus      

There is no description at this point.

References
2021-06-10ESET ResearchAdam Burgher
@online{burgher:20210610:backdoordiplomacy:4ebcb1d, author = {Adam Burgher}, title = {{BackdoorDiplomacy: Upgrading from Quarian to Turian}}, date = {2021-06-10}, organization = {ESET Research}, url = {https://www.welivesecurity.com/2021/06/10/backdoordiplomacy-upgrading-quarian-turian/}, language = {English}, urldate = {2022-06-08} } BackdoorDiplomacy: Upgrading from Quarian to Turian
CHINACHOPPER DoublePulsar EternalRocks turian BackdoorDiplomacy
2019-05-07SymantecSecurity Response Attack Investigation Team
@online{team:20190507:buckeye:a4cf7d8, author = {Security Response Attack Investigation Team}, title = {{Buckeye: Espionage Outfit Used Equation Group Tools Prior to Shadow Brokers Leak}}, date = {2019-05-07}, organization = {Symantec}, url = {https://www.symantec.com/blogs/threat-intelligence/buckeye-windows-zero-day-exploit}, language = {English}, urldate = {2020-01-13} } Buckeye: Espionage Outfit Used Equation Group Tools Prior to Shadow Brokers Leak
DoublePulsar
Yara Rules
[TLP:WHITE] win_doublepulsar_auto (20230125 | Detects win.doublepulsar.)
rule win_doublepulsar_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.doublepulsar."
        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.doublepulsar"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { 33c0 48 894330 49 3bc0 7504 33c0 }
            // n = 7, score = 100
            //   33c0                 | xor                 eax, eax
            //   48                   | dec                 eax
            //   894330               | mov                 dword ptr [ebx + 0x30], eax
            //   49                   | dec                 ecx
            //   3bc0                 | cmp                 eax, eax
            //   7504                 | jne                 6
            //   33c0                 | xor                 eax, eax

        $sequence_1 = { 3bc7 750a c74620e0d24000 897e28 397e24 7507 c7462400d34000 }
            // n = 7, score = 100
            //   3bc7                 | cmp                 eax, edi
            //   750a                 | jne                 0xc
            //   c74620e0d24000       | mov                 dword ptr [esi + 0x20], 0x40d2e0
            //   897e28               | mov                 dword ptr [esi + 0x28], edi
            //   397e24               | cmp                 dword ptr [esi + 0x24], edi
            //   7507                 | jne                 9
            //   c7462400d34000       | mov                 dword ptr [esi + 0x24], 0x40d300

        $sequence_2 = { 48 31ff 8b3e 48 }
            // n = 4, score = 100
            //   48                   | dec                 eax
            //   31ff                 | xor                 edi, edi
            //   8b3e                 | mov                 edi, dword ptr [esi]
            //   48                   | dec                 eax

        $sequence_3 = { 740f 8b4db8 85c9 7407 8b4db0 85c9 7401 }
            // n = 7, score = 100
            //   740f                 | je                  0x11
            //   8b4db8               | mov                 ecx, dword ptr [ebp - 0x48]
            //   85c9                 | test                ecx, ecx
            //   7407                 | je                  9
            //   8b4db0               | mov                 ecx, dword ptr [ebp - 0x50]
            //   85c9                 | test                ecx, ecx
            //   7401                 | je                  3

        $sequence_4 = { 48 634802 48 8d540107 31c0 8a02 }
            // n = 6, score = 100
            //   48                   | dec                 eax
            //   634802               | arpl                word ptr [eax + 2], cx
            //   48                   | dec                 eax
            //   8d540107             | lea                 edx, [ecx + eax + 7]
            //   31c0                 | xor                 eax, eax
            //   8a02                 | mov                 al, byte ptr [edx]

        $sequence_5 = { 8b542428 8b4a12 8bc1 8bd9 c1eb10 250000ff00 0bc3 }
            // n = 7, score = 100
            //   8b542428             | mov                 edx, dword ptr [esp + 0x28]
            //   8b4a12               | mov                 ecx, dword ptr [edx + 0x12]
            //   8bc1                 | mov                 eax, ecx
            //   8bd9                 | mov                 ebx, ecx
            //   c1eb10               | shr                 ebx, 0x10
            //   250000ff00           | and                 eax, 0xff0000
            //   0bc3                 | or                  eax, ebx

        $sequence_6 = { 50 68???????? e8???????? 8b442418 6a00 }
            // n = 5, score = 100
            //   50                   | push                eax
            //   68????????           |                     
            //   e8????????           |                     
            //   8b442418             | mov                 eax, dword ptr [esp + 0x18]
            //   6a00                 | push                0

        $sequence_7 = { 51 89742418 89742424 e8???????? 8b542418 8d049500000000 }
            // n = 6, score = 100
            //   51                   | push                ecx
            //   89742418             | mov                 dword ptr [esp + 0x18], esi
            //   89742424             | mov                 dword ptr [esp + 0x24], esi
            //   e8????????           |                     
            //   8b542418             | mov                 edx, dword ptr [esp + 0x18]
            //   8d049500000000       | lea                 eax, [edx*4]

        $sequence_8 = { 8b0e 8b11 52 50 e8???????? 83c408 }
            // n = 6, score = 100
            //   8b0e                 | mov                 ecx, dword ptr [esi]
            //   8b11                 | mov                 edx, dword ptr [ecx]
            //   52                   | push                edx
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c408               | add                 esp, 8

        $sequence_9 = { 8b8c2434080000 5d 33c0 5b }
            // n = 4, score = 100
            //   8b8c2434080000       | mov                 ecx, dword ptr [esp + 0x834]
            //   5d                   | pop                 ebp
            //   33c0                 | xor                 eax, eax
            //   5b                   | pop                 ebx

        $sequence_10 = { f2ae f7d1 2bf9 c7842460020000c9000000 8bc1 8bf7 }
            // n = 6, score = 100
            //   f2ae                 | repne scasb         al, byte ptr es:[edi]
            //   f7d1                 | not                 ecx
            //   2bf9                 | sub                 edi, ecx
            //   c7842460020000c9000000     | mov    dword ptr [esp + 0x260], 0xc9
            //   8bc1                 | mov                 eax, ecx
            //   8bf7                 | mov                 esi, edi

        $sequence_11 = { 83c41c 894c2464 895c2468 df6c2464 8d442448 }
            // n = 5, score = 100
            //   83c41c               | add                 esp, 0x1c
            //   894c2464             | mov                 dword ptr [esp + 0x64], ecx
            //   895c2468             | mov                 dword ptr [esp + 0x68], ebx
            //   df6c2464             | fild                qword ptr [esp + 0x64]
            //   8d442448             | lea                 eax, [esp + 0x48]

        $sequence_12 = { 5b 83c468 c3 8b4610 3bc5 }
            // n = 5, score = 100
            //   5b                   | pop                 ebx
            //   83c468               | add                 esp, 0x68
            //   c3                   | ret                 
            //   8b4610               | mov                 eax, dword ptr [esi + 0x10]
            //   3bc5                 | cmp                 eax, ebp

        $sequence_13 = { 55 e8???????? 8bb4246c020000 89442424 83c410 b903010000 }
            // n = 6, score = 100
            //   55                   | push                ebp
            //   e8????????           |                     
            //   8bb4246c020000       | mov                 esi, dword ptr [esp + 0x26c]
            //   89442424             | mov                 dword ptr [esp + 0x24], eax
            //   83c410               | add                 esp, 0x10
            //   b903010000           | mov                 ecx, 0x103

        $sequence_14 = { 894c2438 0f82aefdffff eb28 8b4c2454 c7411824204000 c7031b000000 }
            // n = 6, score = 100
            //   894c2438             | mov                 dword ptr [esp + 0x38], ecx
            //   0f82aefdffff         | jb                  0xfffffdb4
            //   eb28                 | jmp                 0x2a
            //   8b4c2454             | mov                 ecx, dword ptr [esp + 0x54]
            //   c7411824204000       | mov                 dword ptr [ecx + 0x18], 0x402024
            //   c7031b000000         | mov                 dword ptr [ebx], 0x1b

        $sequence_15 = { 85c0 0f8588fdffff 8b442410 50 ffd3 50 }
            // n = 6, score = 100
            //   85c0                 | test                eax, eax
            //   0f8588fdffff         | jne                 0xfffffd8e
            //   8b442410             | mov                 eax, dword ptr [esp + 0x10]
            //   50                   | push                eax
            //   ffd3                 | call                ebx
            //   50                   | push                eax

    condition:
        7 of them and filesize < 140288
}
[TLP:WHITE] win_doublepulsar_w0   (20180301 | Detects Malware from APT28 incident - SOURFACE is a downloader that obtains a second-stage backdoor from a C2 server.)
rule win_doublepulsar_w0 {
	meta:
		author = "Florian Roth"
		description = "Detects Malware from APT28 incident - SOURFACE is a downloader that obtains a second-stage backdoor from a C2 server."
		reference = "https://www.fireeye.com/blog/threat-research/2014/10/apt28-a-window-into-russias-cyber-espionage-operations.html"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.doublepulsar"
        malpedia_version = "20180301"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"
   strings:
      $x1 = "[+] Ping returned Target architecture: %s - XOR Key: 0x%08X" fullword ascii
      $x2 = "[.] Sending shellcode to inject DLL" fullword ascii
      $x3 = "[-] Error setting ShellcodeFile name" fullword ascii
   condition:
      1 of them
}
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