Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-02-2025 17:56

General

  • Target

    JaffaCakes118_0113bc0a759a370a3fef7c88354cee99.exe

  • Size

    1.3MB

  • MD5

    0113bc0a759a370a3fef7c88354cee99

  • SHA1

    6978508b1711a6024d4ba068955b6869ee6be718

  • SHA256

    94981406a2aa1c6dc1b198a2281efe4464aa3d9bf9923e7c8bd3e6f81198cd4a

  • SHA512

    9e6c828f68f64b5f09dd3e5ca0306d3011c73457d0787357a48cdfa41f1cdf84dabb2db52bcb5d6a64c2b44b939aab5e1b74730fbfce1d1b281e264c9369da3c

  • SSDEEP

    24576:1OTeITnkOPoEykf34/fLsl4CG7VBlB85KxCXBv5WmJa4:0T1mEy/hn85E

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

gospish.no-ip.biz:1604

Mutex

DC_MUTEX-3SPJBTE

Attributes
  • gencode

    NsfPWgwSw=/�

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 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 6 IoCs

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

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0113bc0a759a370a3fef7c88354cee99.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0113bc0a759a370a3fef7c88354cee99.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Users\Admin\AppData\Local\Temp\RUNESCAPE ULTIMATE PIN GENERATOR.EXE
        "C:\Users\Admin\AppData\Local\Temp\RUNESCAPE ULTIMATE PIN GENERATOR.EXE"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3244
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0113bc0a759a370a3fef7c88354cee99.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0113bc0a759a370a3fef7c88354cee99.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4032
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        3⤵
        • Checks BIOS information in registry
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3232
        • C:\Users\Admin\AppData\Local\Temp\RUNESCAPE ULTIMATE PIN GENERATOR.EXE
          "C:\Users\Admin\AppData\Local\Temp\RUNESCAPE ULTIMATE PIN GENERATOR.EXE"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RUNESCAPE ULTIMATE PIN GENERATOR.EXE

    Filesize

    158KB

    MD5

    4647f89054afa2db4446d0c7a38ccd23

    SHA1

    23a356d108c10a4a57dc701fefbedba0a5aa23c7

    SHA256

    477a7ea7a5b570917515548fcad6afd66b3aa5030735300c0d11cc7204b9261c

    SHA512

    2edc1de41b49720d1f45768e654d684447a1248ed8a46530f5ce9c3978bf46a9d5b86d6210d3b81272bb626784129f273e1d8802b8bbe825f2a84a4c1ec9e560

  • C:\Users\Admin\AppData\Roaming\inid.exe

    Filesize

    1.3MB

    MD5

    0113bc0a759a370a3fef7c88354cee99

    SHA1

    6978508b1711a6024d4ba068955b6869ee6be718

    SHA256

    94981406a2aa1c6dc1b198a2281efe4464aa3d9bf9923e7c8bd3e6f81198cd4a

    SHA512

    9e6c828f68f64b5f09dd3e5ca0306d3011c73457d0787357a48cdfa41f1cdf84dabb2db52bcb5d6a64c2b44b939aab5e1b74730fbfce1d1b281e264c9369da3c

  • memory/452-1-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/452-2-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/452-39-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/452-38-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/452-37-0x0000000074772000-0x0000000074773000-memory.dmp

    Filesize

    4KB

  • memory/452-0-0x0000000074772000-0x0000000074773000-memory.dmp

    Filesize

    4KB

  • memory/1776-31-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-47-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-13-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-56-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-16-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-55-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-54-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-53-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-52-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-51-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-30-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-50-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-49-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-48-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-46-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-6-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-4-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-5-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-45-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-44-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-42-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/1776-43-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/3232-17-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/3232-34-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/3232-18-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/4032-40-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/4032-15-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/4032-7-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/4032-41-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/4712-32-0x0000000004E70000-0x0000000004E7A000-memory.dmp

    Filesize

    40KB

  • memory/4712-28-0x0000000005380000-0x0000000005924000-memory.dmp

    Filesize

    5.6MB

  • memory/4712-27-0x0000000004D30000-0x0000000004DCC000-memory.dmp

    Filesize

    624KB

  • memory/4712-26-0x0000000000450000-0x0000000000480000-memory.dmp

    Filesize

    192KB

  • memory/4712-29-0x0000000004DD0000-0x0000000004E62000-memory.dmp

    Filesize

    584KB

  • memory/4712-33-0x0000000005020000-0x0000000005076000-memory.dmp

    Filesize

    344KB