Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 14:25

General

  • Target

    b1d346fbc680a2a4b60878d2d8120451_JaffaCakes118.exe

  • Size

    1.4MB

  • MD5

    b1d346fbc680a2a4b60878d2d8120451

  • SHA1

    01850e5a3785ae54c37cc6c6d9b954c4918272f7

  • SHA256

    fea436648953d8f3f3f8b953e6db3a352f399cf011364a640f56dd35dc3c611a

  • SHA512

    de552252cd28152ce35703764c5eb0c47a23c97286ccde4b3ad189f760c7f5562f73baac41d2096eded191f767e076d6d06a9449959adfc62ec7eb6e632c8202

  • SSDEEP

    24576:0KLIMPqOqX6qz0VYI0NM0GlRNcddjaLzS5Qdz7xIAg/zui/uBWc/iwxzvI:0KLdqOqqqz0WpM0McddjaLzRdHxIAgrp

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 4 IoCs
  • Themida packer 36 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 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.

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1d346fbc680a2a4b60878d2d8120451_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b1d346fbc680a2a4b60878d2d8120451_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:2044
    • C:\Users\Admin\AppData\Local\Temp\GET SERIAL ANTI-VIRUS V4.0.EXE
      "C:\Users\Admin\AppData\Local\Temp\GET SERIAL ANTI-VIRUS V4.0.EXE"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2824
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Windows security bypass
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1712
      • C:\Users\Admin\AppData\Local\Temp\GET SERIAL ANTI-VIRUS V4.0.EXE
        "C:\Users\Admin\AppData\Local\Temp\GET SERIAL ANTI-VIRUS V4.0.EXE"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\GET SERIAL ANTI-VIRUS V4.0.EXE

    Filesize

    56KB

    MD5

    e1c40f757c45adc9c03c510d57a727b1

    SHA1

    3e9f867d33e65ebb5560374cf4b0d4fa1a21cc03

    SHA256

    6350a23943d72d638471af7f0118b54fdf91fe908b05f940b7b5099d7f3c467a

    SHA512

    9a02b39124724d77aad9241138d5b6bab64a4010d16f4855eba0b74015696b2d5a46324ec759942dc3d2619d99cd16b427d3d1ba37a25e7e20d474b62e0c5102

  • memory/528-51-0x0000000013141000-0x00000000131F2000-memory.dmp

    Filesize

    708KB

  • memory/528-1-0x0000000013141000-0x00000000131F2000-memory.dmp

    Filesize

    708KB

  • memory/528-2-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/528-0-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/528-50-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2044-29-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2044-4-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/2808-63-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-58-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-47-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-46-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2808-42-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-54-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-60-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-64-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-68-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-67-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-66-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-49-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-62-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-61-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-59-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-65-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-52-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-57-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-56-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-55-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-53-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-72-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-76-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-75-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-73-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-74-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-71-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-70-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-69-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-79-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-78-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-77-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-80-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-129-0x0000000013140000-0x00000000132B5000-memory.dmp

    Filesize

    1.5MB