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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 00:46

General

  • Target

    766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    766bfe7fbcb57bbdb2667888954ef3a5

  • SHA1

    4e165ab9fc1f70b57ae235221b9d7c1f775a906a

  • SHA256

    f6f944b37246617aaa6d9e54f1b9ab366e6f67b011f520e5063093fe420a16d8

  • SHA512

    b65fdd225200c288cf8661b6369206e4c2e4405be41c488128577052decb473e5f0746f100fef51e2ceafd39760020d390b361215c8eb9f2d6921c3066244070

  • SSDEEP

    1536:wMtkjaTQ47U0GgAJa0P1kNmKldCMhdu8KWP/nTn8nBP9VeRPNeG0h/y:fkjJeU0GgAT9QIq

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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\766bfe7fbcb57bbdb2667888954ef3a5_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:4612
    • C:\Users\Admin\fgfaaw.exe
      "C:\Users\Admin\fgfaaw.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:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\fgfaaw.exe

    Filesize

    124KB

    MD5

    de649e5e653b8bca934a864b3ea3f1df

    SHA1

    81bef6c4da62583bd752ffe6b678b1fcb76fd921

    SHA256

    df21253107ee44289fd17aa85192f0ea3538ee1af0a1bc1e299a7e8a4058d7fc

    SHA512

    9f7ace65d1fe0f425f68df86c979b7533a78d1057b0a9fa32009bc9013e2c75df45716084b312ada01b9040d73fb68dd9609fa9a0a4978b7a9d5d067bd46d0fc