Overview

overview

10

Static

static

1

Scan00518.js

windows7-x64

10

Scan00518.js

windows10-2004-x64

10

Analysis

  • max time kernel
    31s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2023 08:50

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General

  • Target

    Scan00518.js

  • Size

    1.1MB

  • MD5

    e6aa5b35052a7db7a2fd0e5efb6216e0

  • SHA1

    63e7eaf2ed555512f6a8f9c19844671ec6b36c49

  • SHA256

    2a773f8a565116d3d666fddc8a0d767497562b0f65530a71a15dd3f4fd09765f

  • SHA512

    f3da3de0809110a59c6e8e720b8fe6a414106872232dfeded1221e1aedbc848c6233d80f1c8e6b3f68e10b9a7ab29359fcc03950a8a974a1e7d1527be86c6a5d

  • SSDEEP

    1536:0N86LJBJZtqptvmDekNXSuR7skySWihwEaREBRbyHWhZiyX2jhEXEehgwNhNylr7:2sKar

Score
10/10
wshratpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://45.90.222.125:7121

Signatures

  • WSHRAT

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

    trojanwshrat
  • Blocklisted process makes network request 8 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).

  • 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\Scan00518.js
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Scan00518.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      PID:524

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan00518.js
    Filesize

    1.1MB

    MD5

    e6aa5b35052a7db7a2fd0e5efb6216e0

    SHA1

    63e7eaf2ed555512f6a8f9c19844671ec6b36c49

    SHA256

    2a773f8a565116d3d666fddc8a0d767497562b0f65530a71a15dd3f4fd09765f

    SHA512

    f3da3de0809110a59c6e8e720b8fe6a414106872232dfeded1221e1aedbc848c6233d80f1c8e6b3f68e10b9a7ab29359fcc03950a8a974a1e7d1527be86c6a5d

    Download Submit
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Scan00518.js
    Filesize

    1.1MB

    MD5

    e6aa5b35052a7db7a2fd0e5efb6216e0

    SHA1

    63e7eaf2ed555512f6a8f9c19844671ec6b36c49

    SHA256

    2a773f8a565116d3d666fddc8a0d767497562b0f65530a71a15dd3f4fd09765f

    SHA512

    f3da3de0809110a59c6e8e720b8fe6a414106872232dfeded1221e1aedbc848c6233d80f1c8e6b3f68e10b9a7ab29359fcc03950a8a974a1e7d1527be86c6a5d

    Download Submit
  • C:\Users\Admin\AppData\Roaming\Scan00518.js
    Filesize

    1.1MB

    MD5

    e6aa5b35052a7db7a2fd0e5efb6216e0

    SHA1

    63e7eaf2ed555512f6a8f9c19844671ec6b36c49

    SHA256

    2a773f8a565116d3d666fddc8a0d767497562b0f65530a71a15dd3f4fd09765f

    SHA512

    f3da3de0809110a59c6e8e720b8fe6a414106872232dfeded1221e1aedbc848c6233d80f1c8e6b3f68e10b9a7ab29359fcc03950a8a974a1e7d1527be86c6a5d

    Download Submit