Overview

overview

10

Static

static

3

fe39a7fa93...18.exe

windows7-x64

10

fe39a7fa93...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 09:19

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General

  • Target

    fe39a7fa93a37b91c97021031b360b64_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    fe39a7fa93a37b91c97021031b360b64

  • SHA1

    614ac18f5ea62e7b8c06b70cf56397d7a2b9e5c7

  • SHA256

    c6e20bf19a6c61a39e2bb51bbde0f24aa42f11e2cff4441a4ec67abafc7822a4

  • SHA512

    724ef9a53191f4657600afd265a86dc87d5dd26cf046196689328edaf09dc61a5d90c6af609d0cd887c11da048981315fa04d030e7d296e7550894609f930bec

  • SSDEEP

    1536:Qqw8iAuismyWsdRw0wF9MGM9K/lKtNgCMbATbL3N+NM5EfbNIjP:kdtTLOM5sCP

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • 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
    persistence
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe39a7fa93a37b91c97021031b360b64_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fe39a7fa93a37b91c97021031b360b64_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:2480
    • C:\Users\Admin\beuiri.exe
      "C:\Users\Admin\beuiri.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:2920

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\beuiri.exe
          Filesize

          100KB

          MD5

          c3c4cc0d248842c936e52a8aa12f29c8

          SHA1

          8ed866177578b742afc3aa0437b82359c31e56fc

          SHA256

          212f6ddf31ad39392567a058a655440c3457150e233e0aaf700c12e3900b7c9f

          SHA512

          d669978d0131841edec354910493d15402447f6f61de74ff1fce887f0f65c4e76d247f26e4084df608b5c3da739e9aef2508fdd006bdf900206a7a3a21eb40a3

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