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Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 17:40

General

  • Target

    06c46b0557581a7b3c0cf604b3b4e1ea_JaffaCakes118.exe

  • Size

    212KB

  • MD5

    06c46b0557581a7b3c0cf604b3b4e1ea

  • SHA1

    5ee06cf03bc11d215d048a16674a52b99ab23a2f

  • SHA256

    858affa4d8434510e5bccba18df67f3f7fa142fc08d74db476a6410de72186b6

  • SHA512

    222894dd9eaf4e95a34ff82d486b46c272f52a53f2d150ed8db0d6bb81cb24118a14f053d66eef9be4ba01b1edae19a7c8ab5d77572bca9d1ab61ccf7026bfea

  • SSDEEP

    1536:amdH3UyOEGYf8H2wW4cd9Lv2PElgWDNoN274B/K51UtaHElfTczpqVar1/AgAISw:DUxS8Wzp+2NoN2I0jASrB

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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 27 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06c46b0557581a7b3c0cf604b3b4e1ea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\06c46b0557581a7b3c0cf604b3b4e1ea_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Users\Admin\leidauy.exe
      "C:\Users\Admin\leidauy.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
      PID:3440
  • 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=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
    1⤵
      PID:4624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\leidauy.exe

      Filesize

      212KB

      MD5

      41c8205027d2f96f27b74fa66f014069

      SHA1

      ebe6a599ef7a582ba4b89f13cc7cf375e4117e63

      SHA256

      f31f4937bd78d8ccca0315b6ea9fef3808393f576b634e42203c248ecf723a59

      SHA512

      6a7909d4d9f79cf1f7bde7ad41634c1f00a42a8473eb62107fd7d8b8bb0b66234e5978a8814790fd385b9a69f1ef22f5a33cf639eae1c781491f5f06868ccfe7