Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 23:30

General

  • Target

    Steam Money Exploit.exe

  • Size

    875KB

  • MD5

    2bb231e6b395b212b61e4d9812a96c68

  • SHA1

    64613e8f67107ac12fbde10d3a3e061d93ed8759

  • SHA256

    ca876f0d6b688d44f6cf155996ad3353b200c9cf6951c301a13b8e85f668885e

  • SHA512

    fb722d7a91e4bb6567febda9e1711a22c19644e9758fef40941b1f0fd3817b7e1888fed0189804f4c324182ac8b716b35b05ff78892f74e504be08ca0a8da6d1

  • SSDEEP

    12288:oGWkDv2vfM2Ag6rh4fR0VZmVYDskAk2UNNzwISHpsNo:tWkDeDAgmhYShrHp3

Malware Config

Extracted

Family

darkcomet

Botnet

HackeD

C2

hackos.no-ip.biz:1604

Mutex

DC_MUTEX-W73HHNJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    sBdcyo0RLfX2

  • install

    true

  • offline_keylogger

    true

  • password

    koperek

  • 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
  • Disables Task Manager via registry modification
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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 5 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 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Steam Money Exploit.exe
    "C:\Users\Admin\AppData\Local\Temp\Steam Money Exploit.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4100
    • C:\Users\Admin\AppData\Local\Temp\Steam Money Exploit.exe
      "C:\Users\Admin\AppData\Local\Temp\Steam Money Exploit.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4040
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:408
        • 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
          • Suspicious use of WriteProcessMemory
          PID:2812
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    875KB

    MD5

    2bb231e6b395b212b61e4d9812a96c68

    SHA1

    64613e8f67107ac12fbde10d3a3e061d93ed8759

    SHA256

    ca876f0d6b688d44f6cf155996ad3353b200c9cf6951c301a13b8e85f668885e

    SHA512

    fb722d7a91e4bb6567febda9e1711a22c19644e9758fef40941b1f0fd3817b7e1888fed0189804f4c324182ac8b716b35b05ff78892f74e504be08ca0a8da6d1

  • memory/408-35-0x0000000073870000-0x0000000074020000-memory.dmp

    Filesize

    7.7MB

  • memory/408-27-0x0000000073870000-0x0000000074020000-memory.dmp

    Filesize

    7.7MB

  • memory/408-25-0x000000007387E000-0x000000007387F000-memory.dmp

    Filesize

    4KB

  • memory/2812-39-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2812-38-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2812-37-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2812-34-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2812-33-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2812-32-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/3620-36-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB

  • memory/4040-5-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/4040-11-0x00000000027C0000-0x00000000027C1000-memory.dmp

    Filesize

    4KB

  • memory/4040-26-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/4040-10-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/4040-8-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/4040-6-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/4100-9-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/4100-0-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/4100-4-0x0000000002790000-0x0000000002798000-memory.dmp

    Filesize

    32KB

  • memory/4100-3-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/4100-2-0x00000000051A0000-0x0000000005744000-memory.dmp

    Filesize

    5.6MB

  • memory/4100-1-0x00000000001E0000-0x00000000002C2000-memory.dmp

    Filesize

    904KB