Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 00:06

General

  • Target

    ac273a95adce9a4758140bc8322df836_JaffaCakes118.exe

  • Size

    1012KB

  • MD5

    ac273a95adce9a4758140bc8322df836

  • SHA1

    2f660c53366f587e0a72f737c3f4a6b9164db706

  • SHA256

    4caf663446d1a3a7b40976ec2397e65eb7783c3ece9a7909b08a47008cd69f8a

  • SHA512

    83da642d094a968e8bf2dec89a695468c2e09c23770e91e834df614bf6628c49aafc95558c576373123ef1f8decfcf800ea37d9e6d41ed4011a0586feba35c1f

  • SSDEEP

    24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxs:7J5gEKNikf3hBfUiWxs

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\ac273a95adce9a4758140bc8322df836_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ac273a95adce9a4758140bc8322df836_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      PID:2112
  • 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=4136 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3184

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1013KB

      MD5

      22b01ef9f51fb66c78fc0cf9afddb1ea

      SHA1

      54615acab9b045568ef3ad51e3fb0e0f22de481f

      SHA256

      a213c17dad23f78d48debe47864feda9b2b66790677a42a7473422df88e9730b

      SHA512

      daf5b1a57f3bade30c15b457dd5559698017037c43614ec3238c68a038ad7d6276a9a8a6f1786d18c5f8a049368b7eb689c2d616e824b1a0e89d4134ca75859a

    • memory/1188-0-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1188-1-0x0000000002360000-0x0000000002361000-memory.dmp

      Filesize

      4KB

    • memory/1188-3-0x00000000026B0000-0x0000000002AB0000-memory.dmp

      Filesize

      4.0MB

    • memory/1188-12-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/2112-11-0x0000000000510000-0x0000000000511000-memory.dmp

      Filesize

      4KB

    • memory/2112-13-0x0000000002570000-0x0000000002970000-memory.dmp

      Filesize

      4.0MB

    • memory/2112-14-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB