Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2024 07:41

General

  • Target

    21929c467ce65e655dd1e1311c4089f3_JaffaCakes118.exe

  • Size

    156KB

  • MD5

    21929c467ce65e655dd1e1311c4089f3

  • SHA1

    aacfc2694ab925a8fedef816256430f793003207

  • SHA256

    d7dc82cf8b2974b6b7f7281146cedf194da7a7e62b334451e462cfe523782382

  • SHA512

    615cd802d0d7435a63e68543af12554939f452eab5a4e80b8a25e689ec3714fb21835eb506fb2ab81d912e7f4cd266a29d14aa7ebe35947ffff946eae7db8d48

  • SSDEEP

    3072:KszVcfQEoDtbOJc5AEPKhmm2jsm/95yOxeWVD:Ksg7Ob5AEPI52gm/95yXWVD

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21929c467ce65e655dd1e1311c4089f3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\21929c467ce65e655dd1e1311c4089f3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\21929c467ce65e655dd1e1311c4089f3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\21929c467ce65e655dd1e1311c4089f3_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1564
      • C:\Users\Admin\AppData\Local\Microsoft\svchost.exe
        "C:\Users\Admin\AppData\Local\Microsoft\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4672
        • C:\Users\Admin\AppData\Local\Microsoft\svchost.exe
          "C:\Users\Admin\AppData\Local\Microsoft\svchost.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\svchost.exe

    Filesize

    156KB

    MD5

    21929c467ce65e655dd1e1311c4089f3

    SHA1

    aacfc2694ab925a8fedef816256430f793003207

    SHA256

    d7dc82cf8b2974b6b7f7281146cedf194da7a7e62b334451e462cfe523782382

    SHA512

    615cd802d0d7435a63e68543af12554939f452eab5a4e80b8a25e689ec3714fb21835eb506fb2ab81d912e7f4cd266a29d14aa7ebe35947ffff946eae7db8d48

  • memory/1564-0-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1564-1-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1564-2-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1564-5-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2764-70-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2764-71-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB