SYMBOLCOMMON_NAMEaka. SYNONYMS
win.allaple (Back to overview)

Allaple

aka: Starman

There is no description at this point.

References
2015-09Trapx SecurityYakov Goldberg, Maayan Fishelov
@techreport{goldberg:201509:variant:0121be8, author = {Yakov Goldberg and Maayan Fishelov}, title = {{A Variant of the Network Worm Win32 Allaple has been Spotted in the Wild}}, date = {2015-09}, institution = {Trapx Security}, url = {https://trapx.com/wp-content/uploads/2017/08/White_Paper_TrapX_AllapleWorm.pdf}, language = {English}, urldate = {2019-11-16} } A Variant of the Network Worm Win32 Allaple has been Spotted in the Wild
Allaple
2014-08-14Palo Alto Networks Unit 42Unit 42 Team
@online{team:20140814:hunting:1131839, author = {Unit 42 Team}, title = {{Hunting the Mutex}}, date = {2014-08-14}, organization = {Palo Alto Networks Unit 42}, url = {https://researchcenter.paloaltonetworks.com/2014/08/hunting-mutex/}, language = {English}, urldate = {2019-10-14} } Hunting the Mutex
Allaple
Yara Rules
[TLP:WHITE] win_allaple_auto (20221125 | Detects win.allaple.)
rule win_allaple_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-11-21"
        version = "1"
        description = "Detects win.allaple."
        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.allaple"
        malpedia_rule_date = "20221118"
        malpedia_hash = "e0702e2e6d1d00da65c8a29a4ebacd0a4c59e1af"
        malpedia_version = "20221125"
        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 = { d1c8 8945e4 8b4de4 81e1ff000000 d1e1 8b55e5 }
            // n = 6, score = 300
            //   d1c8                 | ror                 eax, 1
            //   8945e4               | mov                 dword ptr [ebp - 0x1c], eax
            //   8b4de4               | mov                 ecx, dword ptr [ebp - 0x1c]
            //   81e1ff000000         | and                 ecx, 0xff
            //   d1e1                 | shl                 ecx, 1
            //   8b55e5               | mov                 edx, dword ptr [ebp - 0x1b]

        $sequence_1 = { 57 ffb5f4f9ffff ffb5f8f9ffff ffb5f0f9ffff e8???????? 8bf8 8b85f0f9ffff }
            // n = 7, score = 300
            //   57                   | push                edi
            //   ffb5f4f9ffff         | push                dword ptr [ebp - 0x60c]
            //   ffb5f8f9ffff         | push                dword ptr [ebp - 0x608]
            //   ffb5f0f9ffff         | push                dword ptr [ebp - 0x610]
            //   e8????????           |                     
            //   8bf8                 | mov                 edi, eax
            //   8b85f0f9ffff         | mov                 eax, dword ptr [ebp - 0x610]

        $sequence_2 = { 7406 837dfcfb 7502 eb09 833e00 0f855bfdffff 68???????? }
            // n = 7, score = 300
            //   7406                 | je                  8
            //   837dfcfb             | cmp                 dword ptr [ebp - 4], -5
            //   7502                 | jne                 4
            //   eb09                 | jmp                 0xb
            //   833e00               | cmp                 dword ptr [esi], 0
            //   0f855bfdffff         | jne                 0xfffffd61
            //   68????????           |                     

        $sequence_3 = { c746109f010300 c7461c20000000 c7462000000000 c7462405000000 c7462844000000 c7462c02000000 c6463003 }
            // n = 7, score = 300
            //   c746109f010300       | mov                 dword ptr [esi + 0x10], 0x3019f
            //   c7461c20000000       | mov                 dword ptr [esi + 0x1c], 0x20
            //   c7462000000000       | mov                 dword ptr [esi + 0x20], 0
            //   c7462405000000       | mov                 dword ptr [esi + 0x24], 5
            //   c7462844000000       | mov                 dword ptr [esi + 0x28], 0x44
            //   c7462c02000000       | mov                 dword ptr [esi + 0x2c], 2
            //   c6463003             | mov                 byte ptr [esi + 0x30], 3

        $sequence_4 = { 8b4dfc 3b4d10 7cde 33c0 8945fc 8b55fc }
            // n = 6, score = 300
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]
            //   3b4d10               | cmp                 ecx, dword ptr [ebp + 0x10]
            //   7cde                 | jl                  0xffffffe0
            //   33c0                 | xor                 eax, eax
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   8b55fc               | mov                 edx, dword ptr [ebp - 4]

        $sequence_5 = { 8d459c 50 e8???????? ff7590 6a09 6a20 8d459c }
            // n = 7, score = 300
            //   8d459c               | lea                 eax, [ebp - 0x64]
            //   50                   | push                eax
            //   e8????????           |                     
            //   ff7590               | push                dword ptr [ebp - 0x70]
            //   6a09                 | push                9
            //   6a20                 | push                0x20
            //   8d459c               | lea                 eax, [ebp - 0x64]

        $sequence_6 = { 83bd94fdffff00 7405 e9???????? 837c0af800 7413 837c0afc00 750c }
            // n = 7, score = 300
            //   83bd94fdffff00       | cmp                 dword ptr [ebp - 0x26c], 0
            //   7405                 | je                  7
            //   e9????????           |                     
            //   837c0af800           | cmp                 dword ptr [edx + ecx - 8], 0
            //   7413                 | je                  0x15
            //   837c0afc00           | cmp                 dword ptr [edx + ecx - 4], 0
            //   750c                 | jne                 0xe

        $sequence_7 = { 0bdb 75de 8b9d68feffff 8bb564feffff c7856cfeffff21344f88 eb11 8b16 }
            // n = 7, score = 300
            //   0bdb                 | or                  ebx, ebx
            //   75de                 | jne                 0xffffffe0
            //   8b9d68feffff         | mov                 ebx, dword ptr [ebp - 0x198]
            //   8bb564feffff         | mov                 esi, dword ptr [ebp - 0x19c]
            //   c7856cfeffff21344f88     | mov    dword ptr [ebp - 0x194], 0x884f3421
            //   eb11                 | jmp                 0x13
            //   8b16                 | mov                 edx, dword ptr [esi]

        $sequence_8 = { 8b45fc 8b4830 334df4 8b55f8 894a30 8b45fc 8b4834 }
            // n = 7, score = 300
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   8b4830               | mov                 ecx, dword ptr [eax + 0x30]
            //   334df4               | xor                 ecx, dword ptr [ebp - 0xc]
            //   8b55f8               | mov                 edx, dword ptr [ebp - 8]
            //   894a30               | mov                 dword ptr [edx + 0x30], ecx
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   8b4834               | mov                 ecx, dword ptr [eax + 0x34]

        $sequence_9 = { 57 56 53 33db 68f4010000 e8???????? }
            // n = 6, score = 300
            //   57                   | push                edi
            //   56                   | push                esi
            //   53                   | push                ebx
            //   33db                 | xor                 ebx, ebx
            //   68f4010000           | push                0x1f4
            //   e8????????           |                     

    condition:
        7 of them and filesize < 253952
}
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