Overview

overview

10

Static

static

1

quotation.js

windows7-x64

10

quotation.js

windows10-2004-x64

10

Analysis

  • max time kernel
    143s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2024 16:30

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General

  • Target

    quotation.js

  • Size

    944KB

  • MD5

    88ae41b328e244baa40100550813c37c

  • SHA1

    b098a717c8f618187bec8cf50aa0bee09bce7268

  • SHA256

    cd0f3713f71701451538380e8c219b0cf0f490cb560760a3e346c6559e823d0f

  • SHA512

    dfb9e92280da0156a8169b43e0cd3690f1cf60a5f32f40ef9cc7ab67c66463d141957d9259e210a520398a92b257012a4608e62954a912538f3952a8ecf97b5f

  • SSDEEP

    6144:XQyIasDlZGlFVd94aBSGgVG5S7lN4Bw0JHqg8Mspk+w9304+7mfSFsnG6Qbfa7wG:go

Score
10/10
wshrattrojan

Malware Config

Extracted

Family

wshrat

C2

http://harold.jetos.com:3609

Signatures

  • WSHRAT

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

    trojanwshrat
  • Blocklisted process makes network request 16 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 15 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\quotation.js
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\quotation.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      PID:2876

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\quotation.js
    Filesize

    944KB

    MD5

    88ae41b328e244baa40100550813c37c

    SHA1

    b098a717c8f618187bec8cf50aa0bee09bce7268

    SHA256

    cd0f3713f71701451538380e8c219b0cf0f490cb560760a3e346c6559e823d0f

    SHA512

    dfb9e92280da0156a8169b43e0cd3690f1cf60a5f32f40ef9cc7ab67c66463d141957d9259e210a520398a92b257012a4608e62954a912538f3952a8ecf97b5f

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