Overview

overview

10

Static

static

1

113a1b4222...118.js

windows7-x64

10

113a1b4222...118.js

windows10-2004-x64

10

Analysis

  • max time kernel
    133s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    04-05-2024 02:21

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General

  • Target

    113a1b4222b39b21e5f61e5b8b5b7f5d_JaffaCakes118.js

  • Size

    74KB

  • MD5

    113a1b4222b39b21e5f61e5b8b5b7f5d

  • SHA1

    4f9a37c5f1d708b59b4dae196c89629f7a5496df

  • SHA256

    8fa3ffb85ab6ba074db02c05da5ee6462813fbd750bfc1e9bb2bd4cada56fc6b

  • SHA512

    bc34b7fd054bd013c2b90c15c73e27df7bffa155d55cc75ba1b388473ade2460fc327d498133490d8bb1cad97a8de000e1323163973738b177df975064c4fbf7

  • SSDEEP

    1536:dScQPMz4GlHNvQYviFSD17fdN85bxYYhVfGAGnNUHORWR:ccQPM8GdNv6ERYLN7SNEKWR

Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://freehost222.ddns.net:1555

Signatures

  • WSHRAT

    WSHRAT is a variant of Houdini worm and has vbs and js variants.

    trojanwshrat
  • Blocklisted process makes network request 7 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Script User-Agent 6 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\113a1b4222b39b21e5f61e5b8b5b7f5d_JaffaCakes118.js
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\113a1b4222b39b21e5f61e5b8b5b7f5d_JaffaCakes118.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      PID:1208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\113a1b4222b39b21e5f61e5b8b5b7f5d_JaffaCakes118.js
    Filesize

    74KB

    MD5

    113a1b4222b39b21e5f61e5b8b5b7f5d

    SHA1

    4f9a37c5f1d708b59b4dae196c89629f7a5496df

    SHA256

    8fa3ffb85ab6ba074db02c05da5ee6462813fbd750bfc1e9bb2bd4cada56fc6b

    SHA512

    bc34b7fd054bd013c2b90c15c73e27df7bffa155d55cc75ba1b388473ade2460fc327d498133490d8bb1cad97a8de000e1323163973738b177df975064c4fbf7

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