SYMBOLCOMMON_NAMEaka. SYNONYMS
win.pickpocket (Back to overview)

PICKPOCKET

Actor(s): APT34


PICKPOCKET is a credential theft tool that dumps the user's website login credentials from Chrome, Firefox, and Internet Explorer to a file. This tool was previously observed solely utilized by APT34.

References
2019-07-18FireEyeMatt Bromiley, Noah Klapprodt, Nick Schroeder, Jessica Rocchio
@online{bromiley:20190718:hard:7a6144e, author = {Matt Bromiley and Noah Klapprodt and Nick Schroeder and Jessica Rocchio}, title = {{Hard Pass: Declining APT34’s Invite to Join Their Professional Network}}, date = {2019-07-18}, organization = {FireEye}, url = {https://www.fireeye.com/blog/threat-research/2019/07/hard-pass-declining-apt34-invite-to-join-their-professional-network.html}, language = {English}, urldate = {2019-12-20} } Hard Pass: Declining APT34’s Invite to Join Their Professional Network
LONGWATCH PICKPOCKET TONEDEAF VALUEVAULT
Yara Rules
[TLP:WHITE] win_pickpocket_auto (20201023 | autogenerated rule brought to you by yara-signator)
rule win_pickpocket_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.pickpocket"
        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 = { 85c0 750f b962890100 e8???????? }
            // n = 4, score = 400
            //   85c0                 | push                0x17
            //   750f                 | push                1
            //   b962890100           | push                dword ptr [ebp - 0x3c]
            //   e8????????           |                     

        $sequence_1 = { 3bc7 760a b988d30000 e9???????? }
            // n = 4, score = 400
            //   3bc7                 | jle                 0x16ad
            //   760a                 | mov                 eax, dword ptr [esi + 0x44]
            //   b988d30000           | mov                 edx, dword ptr [eax + edi*4]
            //   e9????????           |                     

        $sequence_2 = { 84c0 7823 83e17f 0fb6c0 c1e107 03c8 }
            // n = 6, score = 400
            //   84c0                 | jne                 0xfbf
            //   7823                 | dec                 eax
            //   83e17f               | mov                 ecx, dword ptr [ebx + 8]
            //   0fb6c0               | dec                 ecx
            //   c1e107               | add                 eax, edi
            //   03c8                 | dec                 eax

        $sequence_3 = { 84c0 7823 83e17f 0fb6c0 }
            // n = 4, score = 400
            //   84c0                 | dec                 eax
            //   7823                 | lea                 ecx, [esp + 0x38]
            //   83e17f               | je                  0x1a0f
            //   0fb6c0               | inc                 esp

        $sequence_4 = { e8???????? 85c0 750f b962890100 e8???????? }
            // n = 5, score = 400
            //   e8????????           |                     
            //   85c0                 | mov                 dword ptr [eax + 0x39495c], ecx
            //   750f                 | mov                 esp, ebp
            //   b962890100           | pop                 ebp
            //   e8????????           |                     

        $sequence_5 = { 740f b989000100 e8???????? e9???????? }
            // n = 4, score = 400
            //   740f                 | dec                 ecx
            //   b989000100           | mov                 dword ptr [ebx - 0x20], ecx
            //   e8????????           |                     
            //   e9????????           |                     

        $sequence_6 = { 750f b9dcd20000 e8???????? e9???????? }
            // n = 4, score = 400
            //   750f                 | dec                 eax
            //   b9dcd20000           | mov                 dword ptr [esp + 0x58], edx
            //   e8????????           |                     
            //   e9????????           |                     

        $sequence_7 = { 85c0 750f b9af770100 e8???????? }
            // n = 4, score = 400
            //   85c0                 | push                1
            //   750f                 | push                dword ptr [ebp - 0x34]
            //   b9af770100           | push                dword ptr [ebp - 0x20]
            //   e8????????           |                     

        $sequence_8 = { 741a b97dcb0000 eb0c b96ccb0000 eb05 b960cb0000 e8???????? }
            // n = 7, score = 400
            //   741a                 | inc                 ecx
            //   b97dcb0000           | mov                 eax, 4
            //   eb0c                 | dec                 eax
            //   b96ccb0000           | lea                 edx, [esp + 0x20]
            //   eb05                 | dec                 eax
            //   b960cb0000           | xor                 eax, esp
            //   e8????????           |                     

        $sequence_9 = { 8b01 eb03 83c8ff 83f804 }
            // n = 4, score = 400
            //   8b01                 | jl                  0xd31
            //   eb03                 | mov                 edi, dword ptr [esp + 0x44]
            //   83c8ff               | lea                 eax, [ebx + 1]
            //   83f804               | jl                  0xd3c

    condition:
        7 of them and filesize < 1458176
}
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