Analysis

  • max time kernel
    150s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2022 12:49

General

  • Target

    3d04e67b03b57c0010a3c6aac0b77a267190412042cfb73c62ed53532a9160f8.exe

  • Size

    1015KB

  • MD5

    c99e3c046b196e1089652cb92b4acdd2

  • SHA1

    7ceafb7f7118307dfd1e304b2c017aaab4d538ec

  • SHA256

    3d04e67b03b57c0010a3c6aac0b77a267190412042cfb73c62ed53532a9160f8

  • SHA512

    8f3b5b4191a04a293d6f0b094261787594012870c55e43fe6d3f0d5e20438b76415611e08e7faf89ab765851498d65cfbb0bf6437098d1ec8bba765a713c6506

  • SSDEEP

    24576:/u+rKUm3C6xhvGhT72BFoSwKcid+anGwC0Nw6bPihjOGOiRVDC8X:WuQFQ/2/olKcioy5NwyPyOGv

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

adigoldinnnn.no-ip.biz:200

Mutex

DC_MUTEX-TAY064U

Attributes
  • gencode

    ydCsEuj082Up

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d04e67b03b57c0010a3c6aac0b77a267190412042cfb73c62ed53532a9160f8.exe
    "C:\Users\Admin\AppData\Local\Temp\3d04e67b03b57c0010a3c6aac0b77a267190412042cfb73c62ed53532a9160f8.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\3d04e67b03b57c0010a3c6aac0b77a267190412042cfb73c62ed53532a9160f8.exe
      "C:\Users\Admin\AppData\Local\Temp\3d04e67b03b57c0010a3c6aac0b77a267190412042cfb73c62ed53532a9160f8.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/584-67-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-79-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-65-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-77-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-58-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-59-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-61-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-63-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-76-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-74-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-70-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-68-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/584-72-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1368-55-0x0000000074160000-0x000000007470B000-memory.dmp

    Filesize

    5.7MB

  • memory/1368-56-0x0000000074160000-0x000000007470B000-memory.dmp

    Filesize

    5.7MB

  • memory/1368-57-0x0000000000120000-0x0000000000160000-memory.dmp

    Filesize

    256KB

  • memory/1368-78-0x0000000000120000-0x0000000000160000-memory.dmp

    Filesize

    256KB

  • memory/1368-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

    Filesize

    8KB