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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 23:02

General

  • Target

    761a2fcb9f87b2379232ad74d1645888_JaffaCakes118.exe

  • Size

    240KB

  • MD5

    761a2fcb9f87b2379232ad74d1645888

  • SHA1

    c71bdef4115556d722e9ab127f9fcfc6b880fae0

  • SHA256

    a925f17bd2c931faed427344395c8a502f1caa7208dcf42aac05e39a406f9e23

  • SHA512

    c4a148f2cb8ea6fa89d36706b83f27e6297cc5a3e5e95f1e93ab0d1aedae9fafc367cd7c29ec7d53c51ce7821b76ac46baab2d2ea6a146bea331b039a878f80d

  • SSDEEP

    6144:wUX3dwqsNwemAB0EqxF6snji81RUinKchhymSQ:DdQQJsx

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\761a2fcb9f87b2379232ad74d1645888_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\761a2fcb9f87b2379232ad74d1645888_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:3020
    • C:\Users\Admin\zeaoxew.exe
      "C:\Users\Admin\zeaoxew.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:4420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\zeaoxew.exe

    Filesize

    240KB

    MD5

    b6b2ac5fe5df451182149086a99f773f

    SHA1

    9cfb8507a80d1d58e92b051b6c11586ec51ce803

    SHA256

    2904a56cf9942e420384e5ea41719d6cc443bd797ef7c83c522e66004e278259

    SHA512

    3a18a77e61d2bc59d14c56a982fe769ea19efbefe8266587ea44d6fb0a1a1517d5203ed252e831a22fc538a5b49401647d0853459278ddabbe3b1f7ac6e2b35e