SYMBOLCOMMON_NAMEaka. SYNONYMS
win.stabuniq (Back to overview)

Stabuniq


There is no description at this point.

References
2012-12-24Contagiodump BlogMila Parkour
@online{parkour:20121224:dec:c19ac14, author = {Mila Parkour}, title = {{Dec. 2012 Trojan.Stabuniq samples - financial infostealer trojan}}, date = {2012-12-24}, organization = {Contagiodump Blog}, url = {http://contagiodump.blogspot.com/2012/12/dec-2012-trojanstabuniq-samples.html}, language = {English}, urldate = {2019-12-20} } Dec. 2012 Trojan.Stabuniq samples - financial infostealer trojan
Stabuniq
2012-12-20SymantecFred Gutierrez
@online{gutierrez:20121220:trojanstabuniq:3e7b380, author = {Fred Gutierrez}, title = {{Trojan.Stabuniq Found on Financial Institution Servers}}, date = {2012-12-20}, organization = {Symantec}, url = {https://www.symantec.com/connect/blogs/trojanstabuniq-found-financial-institution-servers}, language = {English}, urldate = {2020-01-10} } Trojan.Stabuniq Found on Financial Institution Servers
Stabuniq
Yara Rules
[TLP:WHITE] win_stabuniq_auto (20230407 | Detects win.stabuniq.)
rule win_stabuniq_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-03-28"
        version = "1"
        description = "Detects win.stabuniq."
        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.stabuniq"
        malpedia_rule_date = "20230328"
        malpedia_hash = "9d2d75cef573c1c2d861f5197df8f563b05a305d"
        malpedia_version = "20230407"
        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 7415 8b4dfc 83c102 51 8b55e4 52 }
            // n = 7, score = 100
            //   85c0                 | test                eax, eax
            //   7415                 | je                  0x17
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   83c102               | add                 ecx, 2
            //   51                   | push                ecx
            //   8b55e4               | mov                 edx, dword ptr [ebp - 0x1c]
            //   52                   | push                edx

        $sequence_1 = { 8b4dfc 038814020000 894dfc 8b5508 8b45fc 898240020000 8b4d08 }
            // n = 7, score = 100
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   038814020000         | add                 ecx, dword ptr [eax + 0x214]
            //   894dfc               | mov                 dword ptr [ebp - 4], ecx
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   898240020000         | mov                 dword ptr [edx + 0x240], eax
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]

        $sequence_2 = { 6a0a 6a00 8d95f0feffff 52 e8???????? 68ff000000 6a00 }
            // n = 7, score = 100
            //   6a0a                 | push                0xa
            //   6a00                 | push                0
            //   8d95f0feffff         | lea                 edx, [ebp - 0x110]
            //   52                   | push                edx
            //   e8????????           |                     
            //   68ff000000           | push                0xff
            //   6a00                 | push                0

        $sequence_3 = { 81c160020000 51 8d95f0feffff 52 8b4510 ff90b0010000 83c40c }
            // n = 7, score = 100
            //   81c160020000         | add                 ecx, 0x260
            //   51                   | push                ecx
            //   8d95f0feffff         | lea                 edx, [ebp - 0x110]
            //   52                   | push                edx
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   ff90b0010000         | call                dword ptr [eax + 0x1b0]
            //   83c40c               | add                 esp, 0xc

        $sequence_4 = { 6a00 8b4508 8b8820020000 51 8b5508 8b8240020000 50 }
            // n = 7, score = 100
            //   6a00                 | push                0
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b8820020000         | mov                 ecx, dword ptr [eax + 0x220]
            //   51                   | push                ecx
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]
            //   8b8240020000         | mov                 eax, dword ptr [edx + 0x240]
            //   50                   | push                eax

        $sequence_5 = { 8b4508 8b4d10 8b9120010000 8990d4000000 8b4508 8b4d10 8b5114 }
            // n = 7, score = 100
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b4d10               | mov                 ecx, dword ptr [ebp + 0x10]
            //   8b9120010000         | mov                 edx, dword ptr [ecx + 0x120]
            //   8990d4000000         | mov                 dword ptr [eax + 0xd4], edx
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b4d10               | mov                 ecx, dword ptr [ebp + 0x10]
            //   8b5114               | mov                 edx, dword ptr [ecx + 0x14]

        $sequence_6 = { 85c0 7535 8b8decfbffff 6bc928 8b5510 8d840ab2170000 50 }
            // n = 7, score = 100
            //   85c0                 | test                eax, eax
            //   7535                 | jne                 0x37
            //   8b8decfbffff         | mov                 ecx, dword ptr [ebp - 0x414]
            //   6bc928               | imul                ecx, ecx, 0x28
            //   8b5510               | mov                 edx, dword ptr [ebp + 0x10]
            //   8d840ab2170000       | lea                 eax, [edx + ecx + 0x17b2]
            //   50                   | push                eax

        $sequence_7 = { 8b4de4 51 e8???????? 837d1801 0f853a010000 c785ccfbffff00000000 6a00 }
            // n = 7, score = 100
            //   8b4de4               | mov                 ecx, dword ptr [ebp - 0x1c]
            //   51                   | push                ecx
            //   e8????????           |                     
            //   837d1801             | cmp                 dword ptr [ebp + 0x18], 1
            //   0f853a010000         | jne                 0x140
            //   c785ccfbffff00000000     | mov    dword ptr [ebp - 0x434], 0
            //   6a00                 | push                0

        $sequence_8 = { 51 8b5520 52 8b85b4feffff 50 8b4d20 }
            // n = 6, score = 100
            //   51                   | push                ecx
            //   8b5520               | mov                 edx, dword ptr [ebp + 0x20]
            //   52                   | push                edx
            //   8b85b4feffff         | mov                 eax, dword ptr [ebp - 0x14c]
            //   50                   | push                eax
            //   8b4d20               | mov                 ecx, dword ptr [ebp + 0x20]

        $sequence_9 = { 51 e8???????? b801000000 e9???????? 8b5510 52 }
            // n = 6, score = 100
            //   51                   | push                ecx
            //   e8????????           |                     
            //   b801000000           | mov                 eax, 1
            //   e9????????           |                     
            //   8b5510               | mov                 edx, dword ptr [ebp + 0x10]
            //   52                   | push                edx

    condition:
        7 of them and filesize < 57344
}
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