Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/04/2025, 01:11

General

  • Target

    JaffaCakes118_b09dd96c8fd3285ecbf79457eac1dd5d.exe

  • Size

    900KB

  • MD5

    b09dd96c8fd3285ecbf79457eac1dd5d

  • SHA1

    3c1684d18e5bcf062fa7b2ae8bc1ae1b735298e0

  • SHA256

    313647849f5f7c41371e99976f1c2e0a60e2cf3e6f7b8b916b46ef38b3e173c7

  • SHA512

    3e2070ebd197fca4f4da7f3597afe8949cf1765358cef7074837756041b2970339446b2ec0b86350ec18d03a53a7f53b84500625e856f810853b9779c960aaf5

  • SSDEEP

    12288:HX5XfC/zm7TYoBSZPEJMtg7MjX/s5hkcnDVg2cSx/cP+sl5ZAwxaNa3PnGVm54:Hk/aBSBEJMG7JwgD2NiG5n3vO

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

opiate.zapto.org:1984

Mutex

DC_MUTEX-N00F7NG

Attributes
  • gencode

    pM9ElB*F%/MM

  • 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
  • Windows security bypass 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 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
  • 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.

  • 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 use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b09dd96c8fd3285ecbf79457eac1dd5d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b09dd96c8fd3285ecbf79457eac1dd5d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Windows security bypass
      • 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
      PID:1228
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\tempfile.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3512
    • C:\Users\Admin\AppData\Local\Temp\tempfile.exe
      C:\Users\Admin\AppData\Local\Temp\tempfile.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        3⤵
        • Windows security bypass
        • 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
        PID:5988

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tempfile.exe

    Filesize

    900KB

    MD5

    b09dd96c8fd3285ecbf79457eac1dd5d

    SHA1

    3c1684d18e5bcf062fa7b2ae8bc1ae1b735298e0

    SHA256

    313647849f5f7c41371e99976f1c2e0a60e2cf3e6f7b8b916b46ef38b3e173c7

    SHA512

    3e2070ebd197fca4f4da7f3597afe8949cf1765358cef7074837756041b2970339446b2ec0b86350ec18d03a53a7f53b84500625e856f810853b9779c960aaf5

  • memory/1228-37-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-36-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-3-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-4-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-6-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-8-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-9-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-45-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-12-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-11-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-10-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-44-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-43-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-42-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-41-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-40-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-39-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-38-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-35-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-30-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-31-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-32-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-33-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1228-34-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1296-26-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/1296-18-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/1296-19-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/1296-17-0x0000000074872000-0x0000000074873000-memory.dmp

    Filesize

    4KB

  • memory/1520-0-0x0000000074872000-0x0000000074873000-memory.dmp

    Filesize

    4KB

  • memory/1520-2-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/1520-1-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/1520-13-0x0000000074870000-0x0000000074E21000-memory.dmp

    Filesize

    5.7MB

  • memory/5988-27-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/5988-24-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/5988-25-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB