Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2025, 04:49

General

  • Target

    JaffaCakes118_2acfcb11353c19f692e654363fe7adca.exe

  • Size

    658KB

  • MD5

    2acfcb11353c19f692e654363fe7adca

  • SHA1

    5b3b4f5cccdf1fc7467242dfeb49da7c3ddb5e35

  • SHA256

    627f6f229f09add842434be6a01ca566ced62b065e5b2710f075c954d1dca784

  • SHA512

    f3342c1997910025c6d3d0a0712a8dc8fcbbe25604fc53169e6d40034b1539a9ff5bd1943f74de84b5d7ef99054137a4e75b852fb1e089acc86a2a9e5876250b

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hC:eZ1xuVVjfFoynPaVBUR8f+kN10EB4

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

nabil80.no-ip.org:1604

Mutex

DC_MUTEX-0B1XRVD

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    f7VXCdRiX8Ys

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Signatures

  • Darkcomet

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

  • Darkcomet family
  • 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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 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 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 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2acfcb11353c19f692e654363fe7adca.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2acfcb11353c19f692e654363fe7adca.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:2288
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1164
    • C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
      "C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe

    Filesize

    658KB

    MD5

    2acfcb11353c19f692e654363fe7adca

    SHA1

    5b3b4f5cccdf1fc7467242dfeb49da7c3ddb5e35

    SHA256

    627f6f229f09add842434be6a01ca566ced62b065e5b2710f075c954d1dca784

    SHA512

    f3342c1997910025c6d3d0a0712a8dc8fcbbe25604fc53169e6d40034b1539a9ff5bd1943f74de84b5d7ef99054137a4e75b852fb1e089acc86a2a9e5876250b

  • memory/980-22-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-23-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-14-0x0000000002160000-0x0000000002161000-memory.dmp

    Filesize

    4KB

  • memory/980-31-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-18-0x0000000002160000-0x0000000002161000-memory.dmp

    Filesize

    4KB

  • memory/980-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-20-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-30-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-29-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-24-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-25-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-26-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-27-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/980-28-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1164-3-0x0000000001340000-0x0000000001341000-memory.dmp

    Filesize

    4KB

  • memory/2288-15-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2288-0-0x0000000002260000-0x0000000002261000-memory.dmp

    Filesize

    4KB