Analysis

  • max time kernel
    124s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 05:36

General

  • Target

    fb9b3357169d781b25841d9de427493a_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    fb9b3357169d781b25841d9de427493a

  • SHA1

    a871c3df89788e2849f8c76aa4e6820c227ba1d9

  • SHA256

    78b07e1288a9f6255925dc893e6b054536e90d5330df96dc1c4aafe74704bdfe

  • SHA512

    66b6472680d97c326b17c4474eda04040b7139ff5677b988798a3334e7b09cfb297d064d156c010384b1b6ff8a1c3d74a7a89c3d38a72bbba8bdcff201f55c4d

  • SSDEEP

    1536:F34ZYvdiCHD9k+G1Fv661KJpuNMfXofRtUQek8PX6w7LKD5QEFL+gR3uHb9flhOw:F340diS9k+G1Fy61KDuNMfXYRtUQek82

Malware Config

Signatures

  • 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 1 IoCs
  • Drops file in Program Files directory 2 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb9b3357169d781b25841d9de427493a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb9b3357169d781b25841d9de427493a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Program Files (x86)\Internet Explorer\svchost.exe
      "C:\Program Files (x86)\Internet Explorer\svchost.exe" vzo pp
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1664
  • 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=4112,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4032 /prefetch:8
    1⤵
      PID:4724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Internet Explorer\svchost.exe

      Filesize

      92KB

      MD5

      fb9b3357169d781b25841d9de427493a

      SHA1

      a871c3df89788e2849f8c76aa4e6820c227ba1d9

      SHA256

      78b07e1288a9f6255925dc893e6b054536e90d5330df96dc1c4aafe74704bdfe

      SHA512

      66b6472680d97c326b17c4474eda04040b7139ff5677b988798a3334e7b09cfb297d064d156c010384b1b6ff8a1c3d74a7a89c3d38a72bbba8bdcff201f55c4d