Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 00:35

General

  • Target

    5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe

  • Size

    698KB

  • MD5

    aa75ed1b108fa4129d827209c70a0e65

  • SHA1

    730af9657cb90becfe0c9a878f6d307b5bda1655

  • SHA256

    5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043

  • SHA512

    8aaf0c9e562a6e44f4a0d669575d057a583613260af4bfa7a22aec23632855b87eb505e666415dc520bf2ffb42b96b3f46c6909ae44176156095e83064989a21

  • SSDEEP

    12288:uNAuo5DOxkhXzkJcX67+ET69NPA+qfnfaK3yXqkzIl+Me9Mp:uNrkhXzki6ql9mFfn53yXqEIl+4

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

darkred.servegame.com:4662

Mutex

DC_MUTEX-7B4EKNW

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    uwJhstfBog81

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

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 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
    "C:\Users\Admin\AppData\Local\Temp\5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Local\Temp\5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe
      "C:\Users\Admin\AppData\Local\Temp\5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043.exe"
      2⤵
      • 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:2392
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1568
        • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    698KB

    MD5

    aa75ed1b108fa4129d827209c70a0e65

    SHA1

    730af9657cb90becfe0c9a878f6d307b5bda1655

    SHA256

    5194028adbed199509326ded23b37ee34464892560d2c7c196d0dda8a3bda043

    SHA512

    8aaf0c9e562a6e44f4a0d669575d057a583613260af4bfa7a22aec23632855b87eb505e666415dc520bf2ffb42b96b3f46c6909ae44176156095e83064989a21

  • memory/1056-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1056-17-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1568-34-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1568-57-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2392-33-0x0000000003720000-0x0000000003741000-memory.dmp

    Filesize

    132KB

  • memory/2392-5-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-10-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-11-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-9-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-8-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-20-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-15-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-66-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-7-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-4-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-12-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2392-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2392-32-0x0000000003720000-0x0000000003741000-memory.dmp

    Filesize

    132KB

  • memory/2868-71-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-81-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-61-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-60-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-67-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-68-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-69-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-70-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-63-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-62-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-74-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-73-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-75-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-76-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-77-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-78-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-79-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-80-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2868-72-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB