Analysis

  • max time kernel
    150s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 10:02

General

  • Target

    173a9b8cd76d138d56af10ad5ec52a7d_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    173a9b8cd76d138d56af10ad5ec52a7d

  • SHA1

    e2f6a4653789157ecb4f451f97fad89dc8932d36

  • SHA256

    024ce0d9b02535b04ff93baf11c958e6dafb460464b0cd5d28864090d1a2ed5d

  • SHA512

    7ee1063a1f0d62713516e188ebddef0bc949a6677a88e8246169e93b0fbd5309926d10aff72314529b0a8fd71d534cd78c1cf7f22888b39ae46cb2aec00f8c76

  • SSDEEP

    3072:RPeNC9Tstk/J3B1sZbxdaLCoDMT3ga/e1VK:ReNaTstk/JN2oDM7gG

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 52 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\173a9b8cd76d138d56af10ad5ec52a7d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\173a9b8cd76d138d56af10ad5ec52a7d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\voahes.exe
      "C:\Users\Admin\voahes.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
      • Suspicious use of WriteProcessMemory
      PID:1516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\voahes.exe

    Filesize

    200KB

    MD5

    32711625f23c6ec30e16039f697bfe4e

    SHA1

    ff633f758e245f7fd99947104f26004a5594316e

    SHA256

    fd78e4c874e46938998812ef2971a2a5dba08b4988590be8994950d2cf750581

    SHA512

    95a7d6b4a3c26a33b592d2466d2f35f256df34f95232845cecfeaccc7342f509e6afea5b1b27b34b685b2ff145bb1af19f357c29f8dccad8331b702a784790bd