Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 05:13

General

  • Target

    0cb94e32616a0e542fa562c31d8eaed2_JaffaCakes118.exe

  • Size

    353KB

  • MD5

    0cb94e32616a0e542fa562c31d8eaed2

  • SHA1

    6e06cefa48c4d72085d2c6458a6a7c1638ca8b16

  • SHA256

    0fff6ee44d243d507a334959012b3c631bbe3f6726fe151e25dcdb1e3d4f47c6

  • SHA512

    f7c5579ac41e99699f5e5bd5589a6e5f09eb1ce227a273e37c65cd269ce903ddc6b11f3e1998c0fc7fd8ebfc9bc6c52973b729a12c3d2ddcb05ea2033c064d25

  • SSDEEP

    6144:bOE9QWWbCuKNcybHGFc4tJcq/mGSEyUrPD3Bmf/y4JX50cV9Uom4:b4ceyrG+48qEEv0/yUX854

Malware Config

Extracted

Family

darkcomet

Botnet

Facebook16

C2

mksa.dnsd.info:1606

Mutex

DC_MUTEX-A0286Q2

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    umPqH7dAfXUN

  • install

    true

  • offline_keylogger

    false

  • 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
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • 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).

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cb94e32616a0e542fa562c31d8eaed2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0cb94e32616a0e542fa562c31d8eaed2_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\MSDCSC\msdcsc.exe
      "C:\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSDCSC\msdcsc.exe

    Filesize

    353KB

    MD5

    0cb94e32616a0e542fa562c31d8eaed2

    SHA1

    6e06cefa48c4d72085d2c6458a6a7c1638ca8b16

    SHA256

    0fff6ee44d243d507a334959012b3c631bbe3f6726fe151e25dcdb1e3d4f47c6

    SHA512

    f7c5579ac41e99699f5e5bd5589a6e5f09eb1ce227a273e37c65cd269ce903ddc6b11f3e1998c0fc7fd8ebfc9bc6c52973b729a12c3d2ddcb05ea2033c064d25

  • memory/2520-24-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2520-3-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2520-4-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2520-2-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2520-1-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2520-6-0x00000000022A0000-0x00000000022A1000-memory.dmp

    Filesize

    4KB

  • memory/2520-0-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-25-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-28-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-20-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-19-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-23-0x0000000002290000-0x0000000002291000-memory.dmp

    Filesize

    4KB

  • memory/4452-22-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-17-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-26-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-27-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-21-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-29-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-30-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-31-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-32-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-33-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-34-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-35-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-36-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-37-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/4452-38-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB