Analysis

  • max time kernel
    151s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 12:53

General

  • Target

    e16197c0c381808c9394686000b7da8b2f16bc2be6fb55e0fa39a6b7d2df19b5.exe

  • Size

    857KB

  • MD5

    c329355d37d20b2cf9e020b37b691ef1

  • SHA1

    ddbb1a480cf09065221a3071929ab05b0c50c894

  • SHA256

    e16197c0c381808c9394686000b7da8b2f16bc2be6fb55e0fa39a6b7d2df19b5

  • SHA512

    5e65e797ed2920995965e7134cd767eebc74a5a370c280d459132661eef2551b2e1cede03e442070463dfb620418927382a09dffff660d9dc1173ffbbeea856d

  • SSDEEP

    24576:DPF7sTJtPrK/yPo+IRHG9HqiivlBT2Nm:DUTTOiKBT2Nm

Malware Config

Extracted

Family

darkcomet

Botnet

2015

C2

mlgsimz.chickenkiller.com:100

Mutex

DCMIN_MUTEX-WEHRTJW

Attributes
  • gencode

    nXtiiDuM3FMS

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e16197c0c381808c9394686000b7da8b2f16bc2be6fb55e0fa39a6b7d2df19b5.exe
    "C:\Users\Admin\AppData\Local\Temp\e16197c0c381808c9394686000b7da8b2f16bc2be6fb55e0fa39a6b7d2df19b5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Users\Admin\AppData\Local\Temp\e16197c0c381808c9394686000b7da8b2f16bc2be6fb55e0fa39a6b7d2df19b5.exe
      "C:\Users\Admin\AppData\Local\Temp\e16197c0c381808c9394686000b7da8b2f16bc2be6fb55e0fa39a6b7d2df19b5.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1928

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1476-54-0x0000000074C11000-0x0000000074C13000-memory.dmp

    Filesize

    8KB

  • memory/1476-55-0x0000000073EB0000-0x000000007445B000-memory.dmp

    Filesize

    5.7MB

  • memory/1476-56-0x0000000000436000-0x0000000000447000-memory.dmp

    Filesize

    68KB

  • memory/1476-57-0x0000000073EB0000-0x000000007445B000-memory.dmp

    Filesize

    5.7MB

  • memory/1476-66-0x0000000000436000-0x0000000000447000-memory.dmp

    Filesize

    68KB

  • memory/1928-61-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1928-59-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1928-63-0x00000000004B5000-mapping.dmp

  • memory/1928-62-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1928-64-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1928-58-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1928-67-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1928-68-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1928-69-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1928-70-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB