Overview

overview

10

Static

static

74adc75e58...6d6.js

windows7_x64

10

74adc75e58...6d6.js

windows10_x64

10

Analysis

  • max time kernel
    166s
  • max time network
    177s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30/01/2022, 00:30

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General

  • Target
    74adc75e58f1ce9864fa9f593887467096ce478150e69c320ce24efbebfe26d6.js
  • Size 634KB
  • Sample220130-atzz2scabl
  • SHA256 74adc75e58f1ce9864fa9f593887467096ce478150e69c320ce24efbebfe26d6
  • MD5 SHA1 SHA512
Score
10/10
wshratpersistencesuricatatrojan

Malware Config

Extracted

Family

  • wshrat

C2

  • http://dominoduck2107.duckdns.org:9496

Signatures

  • WSHRAT

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

    trojanwshrat
  • suricata: ET MALWARE WSHRAT CnC Checkin

    suricata: ET MALWARE WSHRAT CnC Checkin

    suricata
  • suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin 1

    suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin 1

    suricata
  • Blocklisted process makes network request 25 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 8 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 24 IoCs

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

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\74adc75e58f1ce9864fa9f593887467096ce478150e69c320ce24efbebfe26d6.js
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3584
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\74adc75e58f1ce9864fa9f593887467096ce478150e69c320ce24efbebfe26d6.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      PID:1644

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads