Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-01-2025 19:30

General

  • Target

    JaffaCakes118_6f0261490a33b176e7053256c85495db.exe

  • Size

    430KB

  • MD5

    6f0261490a33b176e7053256c85495db

  • SHA1

    7418c41637e6498fa2e723e716becbca9df79249

  • SHA256

    a4e2a46b625b670b3ecb6ba2f9734a0226580b3eec7cf6eeecda658392f94b5e

  • SHA512

    697740405f1349953fa0b4b609f2074f8436e7893570bf5389c182f9209ee2209d5c9b3b550acbd5b133ae6edb386cc69a8b006ef202a68fae746d4b6983e974

  • SSDEEP

    6144:SDy8PrMlvmG8JlEeA5DK0u7htq+YXU4Wn72blXh6GZsouNdnI5O8yj+SWt5XhYY0:SrMlvmWDKZVnnK23NdnM35hjp

Malware Config

Extracted

Family

darkcomet

Botnet

muslim

C2

muslimoff.no-ip.biz:1604

Mutex

DCMIN_MUTEX-UVL32SL

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    FUAL6lhwjFPq

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

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.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 51 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f0261490a33b176e7053256c85495db.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f0261490a33b176e7053256c85495db.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Users\Admin\AppData\Local\Temp\281.exe
      C:\Users\Admin\AppData\Local\Temp\281.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5080
      • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
        "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\281.exe

    Filesize

    232KB

    MD5

    03cc7a51537670b7104ab83da954651c

    SHA1

    4010225eff37471ad1b0002aedd5b9ea5915a254

    SHA256

    dfaaab759867e90ae91967b5a2116fec2bf19a88a1c70bbf532e6cadbb600bc4

    SHA512

    89ae7aee2b39e7186a9583b8f70d0173e66156559f7c3875135d1c49c1d0730f066648ff57ea59ad374c535cedd9d85bac595ac5bf6d4cde6ad2398e8a270302

  • memory/1576-11-0x00007FFA3CB70000-0x00007FFA3D631000-memory.dmp

    Filesize

    10.8MB

  • memory/1576-1-0x0000000000D90000-0x0000000000E02000-memory.dmp

    Filesize

    456KB

  • memory/1576-6-0x00007FFA3CB70000-0x00007FFA3D631000-memory.dmp

    Filesize

    10.8MB

  • memory/1576-0-0x00007FFA3CB73000-0x00007FFA3CB75000-memory.dmp

    Filesize

    8KB

  • memory/3820-27-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-29-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-22-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-23-0x00000000009D0000-0x00000000009D1000-memory.dmp

    Filesize

    4KB

  • memory/3820-39-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-25-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-26-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-38-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-28-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-37-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-30-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-31-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-32-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-33-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-34-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-35-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3820-36-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/5080-8-0x0000000000B10000-0x0000000000B11000-memory.dmp

    Filesize

    4KB

  • memory/5080-7-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/5080-24-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB