Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/06/2024, 11:53

General

  • Target
    0b44d4cb44388656205d358b4264ff6b_JaffaCakes118.exe
  • Size 47KB
  • Sample240621-n2dcxaydle
  • SHA256 0ac0d40029e89bacc12ccd9f89d8ab120883355c3b538a12b773a1fc37d5d3e4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 5 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 18 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 60 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b44d4cb44388656205d358b4264ff6b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0b44d4cb44388656205d358b4264ff6b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3580
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s C:\Windows\dpe.dll
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Modifies registry class
      PID:3408

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        dpe.dll

        • Path C:\Windows\dpe.dll
        • Size 41KB
        • SHA256 4b6a80fa6b7cf0544ec59633091f1223626c2cd4f8b95e44b7e79d46d1b77a7d
        • MD5 SHA1 SHA512 SSDEEP

        memory/3408-3-0x0000000010000000-0x0000000010017000-memory.dmp