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Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 20:59

General

  • Target

    c192a4f0185977cccb8028dea32eeb66_JaffaCakes118.exe

  • Size

    156KB

  • MD5

    c192a4f0185977cccb8028dea32eeb66

  • SHA1

    f47909e79090753c0288badf9d97f4def7aa6bc7

  • SHA256

    db7e28e076bb06ae8c7b0c8e2009f82806763727b4397d1df58d317b2bdc1a1c

  • SHA512

    ffebc71853ad25e87e71688eba34ecc9e6630ca8b7b840a6f39b1e84a692203b974b387217f2ef5ebbb9e84e0ec25980a18e6e738b6aefb7040d2ef1218e280d

  • SSDEEP

    3072:wUfZ72L2wmM39vJhjmRMKGOMztubDqrmhX1yjdLB4oQZiESD:VR22wmMtRfXZm1gpHW4

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\c192a4f0185977cccb8028dea32eeb66_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c192a4f0185977cccb8028dea32eeb66_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:64
    • C:\Users\Admin\foijou.exe
      "C:\Users\Admin\foijou.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:328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\foijou.exe

    Filesize

    156KB

    MD5

    cce1b0002f11893d0b575c38468b0051

    SHA1

    4e05b33ce03c88d38603f28b547696989e5248d0

    SHA256

    62ac727f0f7e5691e8299bdd7d1af78a7e95260b6f8d6af28204da913a341e24

    SHA512

    67bf2e77b1b4745ff5816a7ab3592db59a39e719681f669cc56af040877928e450bcfc3c2613850a4d891430498a59b5a809d6c9ce173d95e103b982059cdb03