SYMBOLCOMMON_NAMEaka. SYNONYMS
win.monero_miner (Back to overview)

Monero Miner

aka: CoinMiner

There is no description at this point.

References
2021-01-18The DFIR ReportThe DFIR Report
@online{report:20210118:all:daed9a4, author = {The DFIR Report}, title = {{All That for a Coinminer?}}, date = {2021-01-18}, organization = {The DFIR Report}, url = {https://thedfirreport.com/2021/01/18/all-that-for-a-coinminer/}, language = {English}, urldate = {2021-01-21} } All That for a Coinminer?
Coinminer Monero Miner
2017-09-28ESET ResearchPeter Kálnai, Michal Poslušný
@online{klnai:20170928:moneymaking:ac6e685, author = {Peter Kálnai and Michal Poslušný}, title = {{Money‑making machine: Monero‑mining malware}}, date = {2017-09-28}, organization = {ESET Research}, url = {https://www.welivesecurity.com/2017/09/28/monero-money-mining-malware/}, language = {English}, urldate = {2019-11-14} } Money‑making machine: Monero‑mining malware
Monero Miner
Yara Rules
[TLP:WHITE] win_monero_miner_auto (20201023 | autogenerated rule brought to you by yara-signator)
rule win_monero_miner_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.monero_miner"
        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 = { 8b9fd4000000 33b7f0000000 339ff4000000 898424e0000000 899424e4000000 8b4708 8b570c }
            // n = 7, score = 100
            //   8b9fd4000000         | mov                 ebx, dword ptr [edi + 0xd4]
            //   33b7f0000000         | xor                 esi, dword ptr [edi + 0xf0]
            //   339ff4000000         | xor                 ebx, dword ptr [edi + 0xf4]
            //   898424e0000000       | mov                 dword ptr [esp + 0xe0], eax
            //   899424e4000000       | mov                 dword ptr [esp + 0xe4], edx
            //   8b4708               | mov                 eax, dword ptr [edi + 8]
            //   8b570c               | mov                 edx, dword ptr [edi + 0xc]

        $sequence_1 = { 8b74240c 810424e0000000 896f54 8b6c2404 895f78 8b1c24 894f58 }
            // n = 7, score = 100
            //   8b74240c             | mov                 esi, dword ptr [esp + 0xc]
            //   810424e0000000       | add                 dword ptr [esp], 0xe0
            //   896f54               | mov                 dword ptr [edi + 0x54], ebp
            //   8b6c2404             | mov                 ebp, dword ptr [esp + 4]
            //   895f78               | mov                 dword ptr [edi + 0x78], ebx
            //   8b1c24               | mov                 ebx, dword ptr [esp]
            //   894f58               | mov                 dword ptr [edi + 0x58], ecx

        $sequence_2 = { 8b442434 8b7c243c 8b6c2430 8b542438 8b5c2440 8b742444 85c0 }
            // n = 7, score = 100
            //   8b442434             | mov                 eax, dword ptr [esp + 0x34]
            //   8b7c243c             | mov                 edi, dword ptr [esp + 0x3c]
            //   8b6c2430             | mov                 ebp, dword ptr [esp + 0x30]
            //   8b542438             | mov                 edx, dword ptr [esp + 0x38]
            //   8b5c2440             | mov                 ebx, dword ptr [esp + 0x40]
            //   8b742444             | mov                 esi, dword ptr [esp + 0x44]
            //   85c0                 | test                eax, eax

        $sequence_3 = { 8b842480000000 034550 89542464 8b942484000000 135554 89442450 8b442418 }
            // n = 7, score = 100
            //   8b842480000000       | mov                 eax, dword ptr [esp + 0x80]
            //   034550               | add                 eax, dword ptr [ebp + 0x50]
            //   89542464             | mov                 dword ptr [esp + 0x64], edx
            //   8b942484000000       | mov                 edx, dword ptr [esp + 0x84]
            //   135554               | adc                 edx, dword ptr [ebp + 0x54]
            //   89442450             | mov                 dword ptr [esp + 0x50], eax
            //   8b442418             | mov                 eax, dword ptr [esp + 0x18]

        $sequence_4 = { 8b9c240c030000 89c5 0facd01b 0facea1b 89cd 3394247c020000 31c5 }
            // n = 7, score = 100
            //   8b9c240c030000       | mov                 ebx, dword ptr [esp + 0x30c]
            //   89c5                 | mov                 ebp, eax
            //   0facd01b             | shrd                eax, edx, 0x1b
            //   0facea1b             | shrd                edx, ebp, 0x1b
            //   89cd                 | mov                 ebp, ecx
            //   3394247c020000       | xor                 edx, dword ptr [esp + 0x27c]
            //   31c5                 | xor                 ebp, eax

        $sequence_5 = { c7833c460000ffffffff c783d846000000000000 c783dc46000000000000 c783e046000000000000 c783e446000000000000 c783e846000000000000 c783ec46000000000000 }
            // n = 7, score = 100
            //   c7833c460000ffffffff     | mov    dword ptr [ebx + 0x463c], 0xffffffff
            //   c783d846000000000000     | mov    dword ptr [ebx + 0x46d8], 0
            //   c783dc46000000000000     | mov    dword ptr [ebx + 0x46dc], 0
            //   c783e046000000000000     | mov    dword ptr [ebx + 0x46e0], 0
            //   c783e446000000000000     | mov    dword ptr [ebx + 0x46e4], 0
            //   c783e846000000000000     | mov    dword ptr [ebx + 0x46e8], 0
            //   c783ec46000000000000     | mov    dword ptr [ebx + 0x46ec], 0

        $sequence_6 = { 8b74244c 8b9c248c000000 01c1 89c5 8994249c000000 894c2418 8b7c2418 }
            // n = 7, score = 100
            //   8b74244c             | mov                 esi, dword ptr [esp + 0x4c]
            //   8b9c248c000000       | mov                 ebx, dword ptr [esp + 0x8c]
            //   01c1                 | add                 ecx, eax
            //   89c5                 | mov                 ebp, eax
            //   8994249c000000       | mov                 dword ptr [esp + 0x9c], edx
            //   894c2418             | mov                 dword ptr [esp + 0x18], ecx
            //   8b7c2418             | mov                 edi, dword ptr [esp + 0x18]

        $sequence_7 = { 89e8 e8???????? 84c0 89c7 7411 895c2404 892c24 }
            // n = 7, score = 100
            //   89e8                 | mov                 eax, ebp
            //   e8????????           |                     
            //   84c0                 | test                al, al
            //   89c7                 | mov                 edi, eax
            //   7411                 | je                  0x13
            //   895c2404             | mov                 dword ptr [esp + 4], ebx
            //   892c24               | mov                 dword ptr [esp], ebp

        $sequence_8 = { ba04000000 c1eb02 83e307 39fa 0f83ac000000 85db 7463 }
            // n = 7, score = 100
            //   ba04000000           | mov                 edx, 4
            //   c1eb02               | shr                 ebx, 2
            //   83e307               | and                 ebx, 7
            //   39fa                 | cmp                 edx, edi
            //   0f83ac000000         | jae                 0xb2
            //   85db                 | test                ebx, ebx
            //   7463                 | je                  0x65

        $sequence_9 = { c646ff00 8b44241c 8930 89f8 5b 5e 5f }
            // n = 7, score = 100
            //   c646ff00             | mov                 byte ptr [esi - 1], 0
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   8930                 | mov                 dword ptr [eax], esi
            //   89f8                 | mov                 eax, edi
            //   5b                   | pop                 ebx
            //   5e                   | pop                 esi
            //   5f                   | pop                 edi

    condition:
        7 of them and filesize < 1425408
}
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