Analysis

  • max time kernel
    142s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 17:31

General

  • Target
    eb9d77efd96bb4cdc26d1d46b8b178bc_JaffaCakes118.exe
  • Size 179KB
  • Sample240410-v35l4sfa52
  • SHA256 7cd0473d322888be7a45e0cc92ac19d4f15612e59427d25b604a4b70134f4d6b
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 2 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb9d77efd96bb4cdc26d1d46b8b178bc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eb9d77efd96bb4cdc26d1d46b8b178bc_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Installs/modifies Browser Helper Object
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4940
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s C:\Windows\windivx.dll
      2⤵
        PID:2172

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          IGIOOCVNKJB

          • Path C:\Windows\IGIOOCVNKJB
          • Size 243KB
          • SHA256 96dc6f29eff3ffe625637bf02deb933876e19aa5b31fafe27663cfad14efbbcb
          • MD5 SHA1 SHA512 SSDEEP

          memory/4940-0-0x0000000000400000-0x000000000049A000-memory.dmp

          memory/4940-7-0x0000000000670000-0x0000000000671000-memory.dmp

          memory/4940-9-0x0000000000400000-0x000000000049A000-memory.dmp

          memory/4940-11-0x0000000000670000-0x0000000000671000-memory.dmp