Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 3 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2420
    • 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:2560
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    PID:2716

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

  • C:\Users\Admin\AppData\Local\Temp\POPULAR-SEXY-CELEBRITY-TATTOOS4.JPG

    Filesize

    22KB

    MD5

    f9d090e8041fd66cd278ce4af611f424

    SHA1

    483be5d62c3d99104fafe4d0c0a812ba27b609f5

    SHA256

    9ba39d873451ba6e1862e8d725afdad8d491993b6c3246eda56331513341a263

    SHA512

    c16d3008eb5147df98a4bf0c0d572598c9c2e291efdae79b06efa43a296df1cc8aeca8f5c9289e3f5825dd2e0dbc328d93220f5d1654be5ca55c28e018bbd895

  • memory/2420-6-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2420-2-0x0000000000320000-0x000000000036E000-memory.dmp

    Filesize

    312KB

  • memory/2420-1-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2420-0-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2420-3-0x0000000001FB0000-0x0000000001FC0000-memory.dmp

    Filesize

    64KB

  • memory/2420-5-0x0000000075501000-0x0000000075502000-memory.dmp

    Filesize

    4KB

  • memory/2420-10-0x00000000025C0000-0x00000000025C2000-memory.dmp

    Filesize

    8KB

  • memory/2420-22-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2420-4-0x0000000077220000-0x0000000077221000-memory.dmp

    Filesize

    4KB

  • memory/2420-23-0x0000000000320000-0x000000000036E000-memory.dmp

    Filesize

    312KB

  • memory/2420-24-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2560-38-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-37-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-27-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2560-48-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-28-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2560-29-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2560-30-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2560-31-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-32-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-47-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-34-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2560-35-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2560-36-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2560-26-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-46-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-39-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-40-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-41-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-42-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-43-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-44-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2560-45-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2716-11-0x00000000001F0000-0x00000000001F2000-memory.dmp

    Filesize

    8KB

  • memory/2716-33-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB

  • memory/2716-12-0x00000000754F0000-0x0000000075600000-memory.dmp

    Filesize

    1.1MB