Analysis

  • max time kernel
    15s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/03/2025, 04:09

General

  • Target

    JaffaCakes118_36a2e0b03acc09b7d7bde9ecbc29884a.exe

  • Size

    830KB

  • MD5

    36a2e0b03acc09b7d7bde9ecbc29884a

  • SHA1

    f7fb16c7db12ab0f459c1d257bd8633971ac4ec2

  • SHA256

    7ebbc6ba5361d4824e880c9dd7196066b480555d731fb10f9c90a7060eb8808c

  • SHA512

    83c5e1c667bba2699c05efd9f23d5201859d6b79f55b2ade025de5831e36eff15cd8bf4278329c8011d6a7d40fd82b013da97a8406dc6420e0718a9c0f9b48f5

  • SSDEEP

    12288:hAWFyFMup2DnS6VrFYj7fjYDl0d6KxDTe4eHfIWM9HjbuW/7fPHZOem:CIuMk2DnS6VrQ2gDTrebM9HjV/bPHlm

Malware Config

Extracted

Family

darkcomet

Botnet

victima

C2

testers28.no-ip.org:1111

Mutex

DC_MUTEX-1GF3HUC

Attributes
  • InstallPath

    JavaRE\bin\Java.exe

  • gencode

    CiJev6UZ6jH*

  • install

    true

  • offline_keylogger

    true

  • password

    1234

  • persistence

    false

  • reg_key

    Java

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
  • Deletes itself 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36a2e0b03acc09b7d7bde9ecbc29884a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36a2e0b03acc09b7d7bde9ecbc29884a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36a2e0b03acc09b7d7bde9ecbc29884a.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36a2e0b03acc09b7d7bde9ecbc29884a.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\JavaRE\bin\Java.exe
        "C:\JavaRE\bin\Java.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3048
        • C:\JavaRE\bin\Java.exe
          "C:\JavaRE\bin\Java.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2652
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36a2e0b03acc09b7d7bde9ecbc29884a.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3064
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 5
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\JavaRE\bin\Java.exe

    Filesize

    830KB

    MD5

    36a2e0b03acc09b7d7bde9ecbc29884a

    SHA1

    f7fb16c7db12ab0f459c1d257bd8633971ac4ec2

    SHA256

    7ebbc6ba5361d4824e880c9dd7196066b480555d731fb10f9c90a7060eb8808c

    SHA512

    83c5e1c667bba2699c05efd9f23d5201859d6b79f55b2ade025de5831e36eff15cd8bf4278329c8011d6a7d40fd82b013da97a8406dc6420e0718a9c0f9b48f5

  • memory/1792-23-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-6-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-5-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-6-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-3-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-23-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-2-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-2-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-5-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-4-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-4-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1792-3-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-32-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-27-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-28-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-30-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-29-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-31-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-27-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-29-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-30-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-28-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-31-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/2652-32-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB