Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 19:48

General

  • Target

    0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe

  • Size

    658KB

  • MD5

    1173b438e6ac9fdcf5662d5853b7fa27

  • SHA1

    77e9b351cd69f87899a3bdc17b9175d58c927a14

  • SHA256

    0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31

  • SHA512

    2b61f314e898f72fd829e4a9384e6757c2e7c337ad049d52709b14e16883b6079045deb74943bc0bad94612d15960cd428420274aa1c6ea8bc4446df1f5ff2b4

  • SSDEEP

    12288:K9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/ho:GZ1xuVVjfFoynPaVBUR8f+kN10EB2

Malware Config

Extracted

Family

darkcomet

Botnet

RAT

C2

dcratk.zapto.org:1604

Mutex

DCMIN_MUTEX-D42GK0L

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    Pxh91wu5UxeB

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    Host

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
    "C:\Users\Admin\AppData\Local\Temp\0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

    Filesize

    658KB

    MD5

    1173b438e6ac9fdcf5662d5853b7fa27

    SHA1

    77e9b351cd69f87899a3bdc17b9175d58c927a14

    SHA256

    0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31

    SHA512

    2b61f314e898f72fd829e4a9384e6757c2e7c337ad049d52709b14e16883b6079045deb74943bc0bad94612d15960cd428420274aa1c6ea8bc4446df1f5ff2b4

  • memory/2540-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-24-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-13-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-14-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/2540-15-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/2540-23-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-16-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-20-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2540-22-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2968-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2968-12-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB