Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-06-2024 15:51

General

  • Target

    aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe

  • Size

    1012KB

  • MD5

    aa87aa27ca04593fcdd02d5b6f447cdc

  • SHA1

    70dda7e69acea067cf6ab3ed6ffddc8f39f36d24

  • SHA256

    151a628a945506fa0ed3c1bfd3694fa41d6102840bc5a4466cd9c8fad870e5ff

  • SHA512

    75cd0ec0c76d443a8e778a34d60f42d897c57cf6fa32fe90f5f015ed6d2bdb47831f64000735c68b543c90ffb0adf370f4519cd34f455ede0d1bb2c204e2d5f2

  • SSDEEP

    24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxQ:7J5gEKNikf3hBfUiWxQ

Score
10/10

Malware Config

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

  • AmmyyAdmin payload 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
  • UPX packed file 4 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\aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\aa87aa27ca04593fcdd02d5b6f447cdc_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      PID:2296
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3740 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1156

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\budha.exe

      Filesize

      1012KB

      MD5

      3ec7371ec0bff65b1e4a60cd01b7f999

      SHA1

      8f80f02808c2fd81aba79c084754d27aebfa7a77

      SHA256

      6acc26807f61efe83117d5316cd0d8342357f32bb9a9d8b177ffec4ad1c64700

      SHA512

      250608423978ca1a68af774d5aa369cc742c4084aa36a6ce033ae4ad83b05c2035f69775eceada1f7b80aa9815076613154dc3e2c3d6db5b01d8814c52fcde0c

    • memory/2296-12-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/2296-13-0x0000000002570000-0x0000000002970000-memory.dmp

      Filesize

      4.0MB

    • memory/2296-14-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/3932-0-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/3932-1-0x0000000000980000-0x0000000000981000-memory.dmp

      Filesize

      4KB

    • memory/3932-3-0x00000000026C0000-0x0000000002AC0000-memory.dmp

      Filesize

      4.0MB

    • memory/3932-11-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB