SYMBOLCOMMON_NAMEaka. SYNONYMS
win.anel (Back to overview)

Anel

aka: UPPERCUT, lena

Actor(s): Stone Panda


There is no description at this point.

References
2020SecureworksSecureWorks
@online{secureworks:2020:bronze:66f1290, author = {SecureWorks}, title = {{BRONZE RIVERSIDE}}, date = {2020}, organization = {Secureworks}, url = {https://www.secureworks.com/research/threat-profiles/bronze-riverside}, language = {English}, urldate = {2020-05-23} } BRONZE RIVERSIDE
Anel ChChes Cobalt Strike PlugX Poison Ivy Quasar RAT RedLeaves Stone Panda
2019-10-24Carbon BlackTakahiro Haruyama
@techreport{haruyama:20191024:defeating:4016e1f, author = {Takahiro Haruyama}, title = {{Defeating APT10 Compiler-level Obfuscations}}, date = {2019-10-24}, institution = {Carbon Black}, url = {https://www.virusbulletin.com/uploads/pdf/conference_slides/2019/VB2019-Haruyama.pdf}, language = {English}, urldate = {2020-03-03} } Defeating APT10 Compiler-level Obfuscations
Anel
2018-03-29Trend MicroTamada Kiyotaka, MingYen Hsieh
@online{kiyotaka:20180329:chessmaster:c48e1c0, author = {Tamada Kiyotaka and MingYen Hsieh}, title = {{ChessMaster Adds Updated Tools to Its Arsenal}}, date = {2018-03-29}, organization = {Trend Micro}, url = {https://blog.trendmicro.com/trendlabs-security-intelligence/chessmaster-adds-updated-tools-to-its-arsenal/}, language = {English}, urldate = {2020-01-08} } ChessMaster Adds Updated Tools to Its Arsenal
Anel
Yara Rules
[TLP:WHITE] win_anel_auto (20201014 | autogenerated rule brought to you by yara-signator)
rule win_anel_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.anel"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        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 = { e8???????? 52 50 8d4590 68???????? 50 e8???????? }
            // n = 7, score = 100
            //   e8????????           |                     
            //   52                   | push                edx
            //   50                   | push                eax
            //   8d4590               | lea                 eax, [ebp - 0x70]
            //   68????????           |                     
            //   50                   | push                eax
            //   e8????????           |                     

        $sequence_1 = { 3bc3 0f8397000000 8365e800 85db 741a 8bc3 69c094000000 }
            // n = 7, score = 100
            //   3bc3                 | cmp                 eax, ebx
            //   0f8397000000         | jae                 0x9d
            //   8365e800             | and                 dword ptr [ebp - 0x18], 0
            //   85db                 | test                ebx, ebx
            //   741a                 | je                  0x1c
            //   8bc3                 | mov                 eax, ebx
            //   69c094000000         | imul                eax, eax, 0x94

        $sequence_2 = { 59 f7f9 8345ac1c 46 3bf0 72ca eb3b }
            // n = 7, score = 100
            //   59                   | pop                 ecx
            //   f7f9                 | idiv                ecx
            //   8345ac1c             | add                 dword ptr [ebp - 0x54], 0x1c
            //   46                   | inc                 esi
            //   3bf0                 | cmp                 esi, eax
            //   72ca                 | jb                  0xffffffcc
            //   eb3b                 | jmp                 0x3d

        $sequence_3 = { 6aff 53 8d4778 8d4e78 e8???????? 668b8794000000 6aff }
            // n = 7, score = 100
            //   6aff                 | push                -1
            //   53                   | push                ebx
            //   8d4778               | lea                 eax, [edi + 0x78]
            //   8d4e78               | lea                 ecx, [esi + 0x78]
            //   e8????????           |                     
            //   668b8794000000       | mov                 ax, word ptr [edi + 0x94]
            //   6aff                 | push                -1

        $sequence_4 = { 83f8ff 740d 2bc3 40 50 53 57 }
            // n = 7, score = 100
            //   83f8ff               | cmp                 eax, -1
            //   740d                 | je                  0xf
            //   2bc3                 | sub                 eax, ebx
            //   40                   | inc                 eax
            //   50                   | push                eax
            //   53                   | push                ebx
            //   57                   | push                edi

        $sequence_5 = { 6a10 58 2bc1 50 8d443118 57 }
            // n = 6, score = 100
            //   6a10                 | push                0x10
            //   58                   | pop                 eax
            //   2bc1                 | sub                 eax, ecx
            //   50                   | push                eax
            //   8d443118             | lea                 eax, [ecx + esi + 0x18]
            //   57                   | push                edi

        $sequence_6 = { b8???????? e8???????? 8bd9 8b7508 33ff 897dfc 897df0 }
            // n = 7, score = 100
            //   b8????????           |                     
            //   e8????????           |                     
            //   8bd9                 | mov                 ebx, ecx
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]
            //   33ff                 | xor                 edi, edi
            //   897dfc               | mov                 dword ptr [ebp - 4], edi
            //   897df0               | mov                 dword ptr [ebp - 0x10], edi

        $sequence_7 = { 0fa4d11f 0fa4c21f 6887caeb85 52 51 e8???????? }
            // n = 6, score = 100
            //   0fa4d11f             | shld                ecx, edx, 0x1f
            //   0fa4c21f             | shld                edx, eax, 0x1f
            //   6887caeb85           | push                0x85ebca87
            //   52                   | push                edx
            //   51                   | push                ecx
            //   e8????????           |                     

        $sequence_8 = { 53 b800001000 8d75d0 e8???????? 33c0 895dfc }
            // n = 6, score = 100
            //   53                   | push                ebx
            //   b800001000           | mov                 eax, 0x100000
            //   8d75d0               | lea                 esi, [ebp - 0x30]
            //   e8????????           |                     
            //   33c0                 | xor                 eax, eax
            //   895dfc               | mov                 dword ptr [ebp - 4], ebx

        $sequence_9 = { 3bd6 7304 8d4c246c 803930 757d c784248c0100000f000000 899c2488010000 }
            // n = 7, score = 100
            //   3bd6                 | cmp                 edx, esi
            //   7304                 | jae                 6
            //   8d4c246c             | lea                 ecx, [esp + 0x6c]
            //   803930               | cmp                 byte ptr [ecx], 0x30
            //   757d                 | jne                 0x7f
            //   c784248c0100000f000000     | mov    dword ptr [esp + 0x18c], 0xf
            //   899c2488010000       | mov                 dword ptr [esp + 0x188], ebx

    condition:
        7 of them and filesize < 376832
}
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