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Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 15:35

General

  • Target

    afccb311c2787488d8746b674d9ccc8d_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    afccb311c2787488d8746b674d9ccc8d

  • SHA1

    d8d7acf1ec0a5e14dbc1029613b51111c7404994

  • SHA256

    ca7ee841cfe23063132b30ef103ae44952e69a42193cf70ae1ebd5d68332d1c2

  • SHA512

    f593c13ccb56f8ca2584a0a7abf11ce034f3b1212bef536a8efe953f61eb333607922b4ea7ffa60a62565191f30bfb567ad76f34bea02c6851de5b1490b8ecbd

  • SSDEEP

    3072:Zb9SmZ8jprujIivwslnsn9+JuJbfoL2wVHTZhQTWVyc+LpfJQlKTBFC4:N9Sivwslnsn9+JuJbfoL2wVH9eI+NJt

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 53 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\afccb311c2787488d8746b674d9ccc8d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\afccb311c2787488d8746b674d9ccc8d_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:744
    • C:\Users\Admin\foujeul.exe
      "C:\Users\Admin\foujeul.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:3832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\foujeul.exe

    Filesize

    200KB

    MD5

    c70b82053a98c7ada23341087b11963d

    SHA1

    48eff6a0e7f519a9ba714d19f138439eb740cd25

    SHA256

    3ad1c9bf32f56241beb694076f18eff05ac7a4a1023680bf031b88e81fbaba0e

    SHA512

    158fba9e276dd9cb4aa2f0336e2671bc8171f03181dc0c62fc53cc328dce2e2b3038e594074e03455b993e658f32576f89085e2c6ed5394c26b278ff40f0ed50