Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 10:15

General

  • Target
    9dd4b9bc088f274b69e49429e24e5cb3_JaffaCakes118.exe
  • Size 157KB
  • Sample240611-mahb4stapf
  • SHA256 22dde63a8c3e851c264c309ed9ee10113cce2f2adb403c4733ce968b23fc5d3b
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • 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\9dd4b9bc088f274b69e49429e24e5cb3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9dd4b9bc088f274b69e49429e24e5cb3_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\Temp\MT\9dd4b9bc088f274b69e49429e24e5cb3_JaffaCakes118.exe
      "C:\Windows\Temp\MT\9dd4b9bc088f274b69e49429e24e5cb3_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:1968

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        9dd4b9bc088f274b69e49429e24e5cb3_JaffaCakes118.exe.2

        • Path C:\Windows\Temp\MT\9dd4b9bc088f274b69e49429e24e5cb3_JaffaCakes118.exe.2
        • Size 95KB
        • SHA256 297f9a4f53748b8ff6934955cc4c66db05f49fc41c8de1f0a7ace9e21e5650f8
        • MD5 SHA1 SHA512 SSDEEP

        memory/1968-16-0x0000000000400000-0x0000000000446000-memory.dmp

        memory/1968-17-0x0000000000400000-0x0000000000446000-memory.dmp