Analysis

  • max time kernel
    142s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 09:21

General

  • Target

    0eb68dd50c83db7df7a474ca0bcbcea41dbb854c0f9b89a8ddf666d350ddd552.exe

  • Size

    5.0MB

  • MD5

    bc1daf6bf373ff4352dca4cf2363b694

  • SHA1

    844e970496fefbbd9a3a5a22c35bf0da97d91b09

  • SHA256

    0eb68dd50c83db7df7a474ca0bcbcea41dbb854c0f9b89a8ddf666d350ddd552

  • SHA512

    f96a2353542f5c9b07479e1621a5bad6014e052b61ed4423e65d8d0310c79ec0f6a008a7b00eeb5104ac46b0282ea31ebc8e7989b1a8b4d7b7a855d27a8a72c0

  • SSDEEP

    98304:mGXq9UoyHs5hQsg0E2B8ntd4C/BST5cAxmCowx8QBMPC0YnnJJajE+Oor8Yq7:/XqCTYh9g0/HSBStNmnwxhJJJanro

Malware Config

Extracted

Family

socks5systemz

C2

aybocmo.ru

http://aybocmo.ru/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff719c7ea969e3c

http://aybocmo.ru/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12eab517aa5c96bd86ef9c804c895a8bbc896c58e713bc90c91d36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d923cc86c9211

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0eb68dd50c83db7df7a474ca0bcbcea41dbb854c0f9b89a8ddf666d350ddd552.exe
    "C:\Users\Admin\AppData\Local\Temp\0eb68dd50c83db7df7a474ca0bcbcea41dbb854c0f9b89a8ddf666d350ddd552.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4360
    • C:\Users\Admin\AppData\Local\Temp\is-JCNS8.tmp\0eb68dd50c83db7df7a474ca0bcbcea41dbb854c0f9b89a8ddf666d350ddd552.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JCNS8.tmp\0eb68dd50c83db7df7a474ca0bcbcea41dbb854c0f9b89a8ddf666d350ddd552.tmp" /SL5="$8014C,5029404,54272,C:\Users\Admin\AppData\Local\Temp\0eb68dd50c83db7df7a474ca0bcbcea41dbb854c0f9b89a8ddf666d350ddd552.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:684
      • C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
        "C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe" -i
        3⤵
        • Executes dropped EXE
        PID:560
      • C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
        "C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe

    Filesize

    2.6MB

    MD5

    23a06256b0fa85af946d04b1502935f5

    SHA1

    5c1cbdec22c04112045061aab9c64a8809302516

    SHA256

    62104856f45a4e5fdce460b9db68e68221ed66756e13a351110a16df28026d8d

    SHA512

    59122a55b6c4bd2351b26e98ecdf716f77ac67c6837064f8907daed47bb7a41428ce226897b6048541203466c453274d674ec178d7c8779d8888c2ce3bbdb631

  • C:\Users\Admin\AppData\Local\Temp\is-03K7F.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-JCNS8.tmp\0eb68dd50c83db7df7a474ca0bcbcea41dbb854c0f9b89a8ddf666d350ddd552.tmp

    Filesize

    680KB

    MD5

    08c5308a61a367d176175cd169fd1e02

    SHA1

    153340b1321627103a2e7d6122b53c3fb527c384

    SHA256

    9e891b18b5afb4f683ca3bea2c2725a6d406aabfe5cf94d7f7b4b42183cf7f42

    SHA512

    63008dfe774eaa6b9eb94eb2db8e6b5f5e6827863a219b5127dcc0eeb4519c04f8c3f4e5f91912ad4822b448976a65403dae6273da8a72986f1ac76bd47eded1

  • memory/560-64-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/560-59-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/560-60-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/560-65-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/684-71-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/684-16-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1756-76-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-88-0x0000000000940000-0x00000000009E2000-memory.dmp

    Filesize

    648KB

  • memory/1756-69-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-120-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-117-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-72-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-75-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-113-0x0000000000940000-0x00000000009E2000-memory.dmp

    Filesize

    648KB

  • memory/1756-79-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-82-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-85-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-67-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-90-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-96-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-99-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-102-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-105-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-108-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-111-0x0000000000400000-0x0000000000697000-memory.dmp

    Filesize

    2.6MB

  • memory/1756-112-0x0000000000940000-0x00000000009E2000-memory.dmp

    Filesize

    648KB

  • memory/4360-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4360-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4360-70-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB