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Analysis

  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 10:16

General

  • Target

    fa3815e512d61b337eb78cbf7b943466_JaffaCakes118.exe

  • Size

    156KB

  • MD5

    fa3815e512d61b337eb78cbf7b943466

  • SHA1

    effc7555918e24fd143120970040b1a2be28b535

  • SHA256

    4fcc2432b7399cf50928da08ae906920d3561504ba3f1ee05c0b90e2432b5854

  • SHA512

    883f1325ddcaa08d659fae3fec7431d320541e917e4826976a63f6a4a88762fce58ab993a299dca0197c25bae3797d81943e647df361072e3349828d62afeb67

  • SSDEEP

    1536:JRrFfuLMRsNLCNMSG5+SUdqeHAQWXZaNwRRczNoU1LbLkOVD:/rdu4aZLBRWhlLz

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 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
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa3815e512d61b337eb78cbf7b943466_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fa3815e512d61b337eb78cbf7b943466_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Users\Admin\keaodut.exe
      "C:\Users\Admin\keaodut.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1492
  • 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 --field-trial-handle=4304,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8
    1⤵
      PID:1636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\keaodut.exe

      Filesize

      156KB

      MD5

      de0c8ec6356f8de549baf4b1c77ab088

      SHA1

      46f3f65bef7c8dc383c359294de40cf493cbe25c

      SHA256

      4e5a8cb3abf94aade4287b9c1cf000b6ec7f36a21cb99a3598ee90b68d8da84a

      SHA512

      31ff9cc180430a1174bfa8ac3e9f4d6372499eb4c57a960b08945b993a81b99aaef1d616d456a59e52ff8edb1fdeb75ebb381923fe019a743e00cedd14ac6929