Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 01:30

General

  • Target

    721434506fe64e46ea824ab914eff1a2_JaffaCakes118.exe

  • Size

    672KB

  • MD5

    721434506fe64e46ea824ab914eff1a2

  • SHA1

    589c9c129788ae0aa34748be2a224e4a50ad10ae

  • SHA256

    5411328545b710cb32a614bb9ab5f78ec1f4ba48d9ce0de2e528bf275cd6071c

  • SHA512

    b218ceb4afda4a654b0365f9f05bd3c410a287b2e981170b2d2e721b3557b32acf672c9144fe39b2255a986a76d68662cce8190201f48b8b4b26137ea124342e

  • SSDEEP

    12288:pefKfP6FEnhrrz6R2gVgzYA6MAgBP5QT0xJu:4S36FEnhrrN0gkANAgnQoxw

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ayoub1.sytes.net:81

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    M5odGqD3siBo

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Molebox Virtualization software 1 IoCs

    Detects file using Molebox Virtualization software.

  • 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 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\721434506fe64e46ea824ab914eff1a2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\721434506fe64e46ea824ab914eff1a2_JaffaCakes118.exe"
    1⤵
    • 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:1636
    • C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe

    Filesize

    672KB

    MD5

    721434506fe64e46ea824ab914eff1a2

    SHA1

    589c9c129788ae0aa34748be2a224e4a50ad10ae

    SHA256

    5411328545b710cb32a614bb9ab5f78ec1f4ba48d9ce0de2e528bf275cd6071c

    SHA512

    b218ceb4afda4a654b0365f9f05bd3c410a287b2e981170b2d2e721b3557b32acf672c9144fe39b2255a986a76d68662cce8190201f48b8b4b26137ea124342e

  • memory/1472-48-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-49-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-67-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-66-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-31-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-64-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-63-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-62-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-61-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-60-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-59-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-58-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-57-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-56-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-47-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-30-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-35-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-40-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-42-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-41-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-39-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-38-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-32-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-36-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-34-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-33-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-37-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-65-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-53-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-51-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-43-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-44-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-45-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1472-46-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-50-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-54-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-55-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1472-52-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1636-27-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1636-28-0x0000000000AE0000-0x0000000000B2E000-memory.dmp

    Filesize

    312KB

  • memory/1636-29-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1636-1-0x0000000000AE0000-0x0000000000B2E000-memory.dmp

    Filesize

    312KB

  • memory/1636-2-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/1636-0-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

    Filesize

    4KB

  • memory/1636-13-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1636-9-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1636-10-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1636-11-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB

  • memory/1636-8-0x00000000765B0000-0x00000000765B1000-memory.dmp

    Filesize

    4KB

  • memory/1636-3-0x00000000024F0000-0x0000000002500000-memory.dmp

    Filesize

    64KB

  • memory/1636-4-0x0000000000C10000-0x0000000000C20000-memory.dmp

    Filesize

    64KB

  • memory/1636-5-0x0000000076EE2000-0x0000000076EE3000-memory.dmp

    Filesize

    4KB

  • memory/1636-6-0x0000000000BF0000-0x0000000000C00000-memory.dmp

    Filesize

    64KB

  • memory/1636-7-0x0000000000BF0000-0x0000000000C00000-memory.dmp

    Filesize

    64KB

  • memory/1636-12-0x0000000076590000-0x0000000076680000-memory.dmp

    Filesize

    960KB