Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 17:58

General

  • Target

    260963c1e91235b813f609be801723a8_JaffaCakes118.exe

  • Size

    615KB

  • MD5

    260963c1e91235b813f609be801723a8

  • SHA1

    e385d7f84f1b2a5a6d7dda2e61dd18c680b6f4eb

  • SHA256

    2037cba7ea5803d091ef613891a80545fe0663abdfee6086ef418ff7eea708ac

  • SHA512

    d5561910832fd3950284729134f7d64b8759c8c75b8959ad86622ee8feb875cd0a4c4f15dd0aa64b204f15ac598bd4dbbe6a07093928e2393ad7efe65447e4b1

  • SSDEEP

    12288:X36t+1yCD9OkveZXAUZFuZOcS/2Q6RlYz6m:H6t+1TOfZXAIFunS/2Qlz6m

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\260963c1e91235b813f609be801723a8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\260963c1e91235b813f609be801723a8_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3360
    • C:\Users\Admin\AppData\Local\Temp\n5415\s5415.exe
      "C:\Users\Admin\AppData\Local\Temp\n5415\s5415.exe" 782efa8853c3b0e6a3eba3f6yiMS4rsuC9gRYHkabuVHBUMeYiojq8HaWVyYrQYteCgUujfeb2K3sNiaFojoxzKAX7Mv0gwrve33MN0l2eQFuv35MYZOSG8b/hVZMCXH5tPTSo438TnbxF+ok7wpxgjBIQo1T4bEvtn3IydzkOVa5WXH8mBioviud0nSh638 /v "C:\Users\Admin\AppData\Local\Temp\260963c1e91235b813f609be801723a8_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:992

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5415\s5415.exe

          Filesize

          220KB

          MD5

          3bf87e8e1382beefff15a28ab98c21eb

          SHA1

          2d3caabe7c2e6231fda3537660435b196217eacb

          SHA256

          ceaea7d02e69c51a591461e6145ee574cf4727168829525762065bbb37a264c1

          SHA512

          04d3b42b785f23c28f05c6fceea49302501f447345efa80fb3f1069a8fb8af51bdd97b09bf9c0035fa134d94ad8b24a0e33dcd428be800e2de0faca80f14f231

        • memory/992-12-0x00007FFFFDC75000-0x00007FFFFDC76000-memory.dmp

          Filesize

          4KB

        • memory/992-13-0x00007FFFFD9C0000-0x00007FFFFE361000-memory.dmp

          Filesize

          9.6MB

        • memory/992-27-0x000000001B460000-0x000000001B470000-memory.dmp

          Filesize

          64KB

        • memory/992-30-0x000000001C290000-0x000000001C75E000-memory.dmp

          Filesize

          4.8MB

        • memory/992-31-0x000000001C800000-0x000000001C89C000-memory.dmp

          Filesize

          624KB

        • memory/992-32-0x000000001C9B0000-0x000000001CA12000-memory.dmp

          Filesize

          392KB

        • memory/992-33-0x00007FFFFD9C0000-0x00007FFFFE361000-memory.dmp

          Filesize

          9.6MB

        • memory/992-34-0x000000001B490000-0x000000001B498000-memory.dmp

          Filesize

          32KB

        • memory/992-35-0x00007FFFFD9C0000-0x00007FFFFE361000-memory.dmp

          Filesize

          9.6MB

        • memory/992-36-0x00007FFFFD9C0000-0x00007FFFFE361000-memory.dmp

          Filesize

          9.6MB

        • memory/992-37-0x00007FFFFD9C0000-0x00007FFFFE361000-memory.dmp

          Filesize

          9.6MB

        • memory/992-38-0x00007FFFFD9C0000-0x00007FFFFE361000-memory.dmp

          Filesize

          9.6MB

        • memory/992-39-0x0000000020540000-0x0000000020A4E000-memory.dmp

          Filesize

          5.1MB

        • memory/992-40-0x000000001E480000-0x000000001E5BC000-memory.dmp

          Filesize

          1.2MB

        • memory/992-42-0x00007FFFFD9C0000-0x00007FFFFE361000-memory.dmp

          Filesize

          9.6MB