Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-07-2024 16:41

General

  • Target

    39efd232bcf49a38db557af3118163b1_JaffaCakes118.exe

  • Size

    2.7MB

  • MD5

    39efd232bcf49a38db557af3118163b1

  • SHA1

    e45e9029788c939208e2a8dc5f3ba1aa1845289d

  • SHA256

    82453a7ede3c73cb0e5724a2a919c50842be6d1076a28aacad4739f738a09a0b

  • SHA512

    6e0933fbaa51537aaee47aa30ad36c034da6f3342a5a5fef5ab53198ad857c35dba0ec0d5f693a45fddbef3ae7abff8006ed2f17fdb1d55baced45f128bd895d

  • SSDEEP

    49152:eE/iMAZs7s3cRS0w26cHMaMrg1fT0KyKcnvzWDR6FIsEqUvY:rRrs3ISL26cH6rq7TcnqDUFI7qUY

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
  • Access Token Manipulation: Create Process with Token 1 TTPs 1 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\39efd232bcf49a38db557af3118163b1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\39efd232bcf49a38db557af3118163b1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Users\Admin\AppData\Local\Temp\39efd232bcf49a38db557af3118163b1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\39efd232bcf49a38db557af3118163b1_JaffaCakes118.exe" "runas"
      2⤵
      • Access Token Manipulation: Create Process with Token
      PID:4660
      • C:\Users\Admin\AppData\Local\Temp\1913520113.bin
        "C:\Users\Admin\AppData\Local\Temp\1913520113.bin"
        3⤵
        • Executes dropped EXE
        PID:4912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1913520113.bin

    Filesize

    2.2MB

    MD5

    f015ded62dbbbcda0b55d89a4a660fa8

    SHA1

    746985af9e0e5142f0bb362a500310388e08a151

    SHA256

    8e31f76747eb338b094a1bb19eeff8037f551bd72bc646df028a3f0076ea435d

    SHA512

    b41f964840a940480c4162c93e4f5727dd750b1c73069d9942f187d130d8a63ec99950dd1df190005993bf7a0efd9b7b262d31bea824df7f480d79963d05e629