Analysis

  • max time kernel
    142s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 01:58

General

  • Target

    1446d50ecf1384818a85d24238464f1d_JaffaCakes118.exe

  • Size

    732KB

  • MD5

    1446d50ecf1384818a85d24238464f1d

  • SHA1

    d4dcd8a9b0b87e8593db081f2656c0a4daf9eab9

  • SHA256

    c506bdc545ffd804df9b91ce4d1320945c07d3b13e5a8c45abe7aee9b06d0428

  • SHA512

    243a59db8eec7bfa0628e40bf3912f1a5fe99e928dcb74f9df3b02727237d8e9f1fd43f1e97c41d295adb4668900c868e294d279d92ad2bb9725df5044323be0

  • SSDEEP

    12288:7FwXAw6/n1ouMfjNgoqrYYcSSG9oPTMGX+AIsLtQiinxbt2rg5xkaPRHw/okTcZh:7ia/n1ou+jGv0YcSSG9oP4GX+AIsLtQh

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 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).

  • 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 use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1446d50ecf1384818a85d24238464f1d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1446d50ecf1384818a85d24238464f1d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Users\Admin\AppData\Local\Temp\run.exe
      "C:\Users\Admin\AppData\Local\Temp\run.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Windupdt\winupdate.exe
        "C:\Windupdt\winupdate.exe"
        3⤵
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\run.exe

    Filesize

    714KB

    MD5

    1fa9af8c7e8272904027add5bc3cd908

    SHA1

    56bb82a0f60168c9dac19140de5ed7e46fc7ee27

    SHA256

    817f18a2364ebc92f327098a12c63a7497645e770683b0f2e3779fb5362f1b46

    SHA512

    c766fcbbbd5e8f432920f489a0817dbd95536c53773a83e3d0536dd54bd29697febdd6b6c9b32d14b15ad02a90f7f0b7aeb3566bb582b3d36f42e9c6f64917ab

  • memory/1708-11-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2052-20-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2696-25-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2696-26-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2696-29-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2696-31-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2696-33-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2696-35-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2696-37-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB