Overview

overview

10

Static

static

10

Invoice_(P...ECH.js

windows7-x64

10

Invoice_(P...ECH.js

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 01:09

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General

  • Target

    Invoice_(PO_3078320)_EXIM-TECH.js

  • Size

    376KB

  • MD5

    c8fb1648a210dc192935a6e3c8f7cf18

  • SHA1

    ea948879f297cfbb8ab96ba080c4f395dbda3e53

  • SHA256

    90287f6a65069dc57e8ceac20e6c80da6afa2cab81eeb70011c1391ff1e8083f

  • SHA512

    6ed050a0c5bf0921fc4e431bfd7bdda13c4a2d7395c7a333a3255fd7ad6e815f3da55e054d5fdb930fa17c79d8d81919a241b1494fbd2ca9629323424a6a8d49

  • SSDEEP

    6144:lEaXAklgF2GuuZHi6/eMngRCEeGKjCNEaXAklgF2GuuZHi6/eMngRCEeGKjC/:Nvl029SiogKGKjCVvl029SiogKGKjC/

Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://masterokrwh.duckdns.org:7963

Signatures

  • WSHRAT

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

    trojanwshrat
  • WSHRAT payload 1 IoCs
  • Blocklisted process makes network request 30 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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 29 IoCs

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

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Invoice_(PO_3078320)_EXIM-TECH.js
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    PID:948

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

JavaScript

1
T1059.007

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Invoice_(PO_3078320)_EXIM-TECH.js
    Filesize

    376KB

    MD5

    c8fb1648a210dc192935a6e3c8f7cf18

    SHA1

    ea948879f297cfbb8ab96ba080c4f395dbda3e53

    SHA256

    90287f6a65069dc57e8ceac20e6c80da6afa2cab81eeb70011c1391ff1e8083f

    SHA512

    6ed050a0c5bf0921fc4e431bfd7bdda13c4a2d7395c7a333a3255fd7ad6e815f3da55e054d5fdb930fa17c79d8d81919a241b1494fbd2ca9629323424a6a8d49

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