Overview

overview

10

Static

static

1

000315202300.js

windows7-x64

10

000315202300.js

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-03-2023 16:31

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General

  • Target

    000315202300.js

  • Size

    1.1MB

  • MD5

    50b25d9512c8d025c67a78e308bb9209

  • SHA1

    4a2ba2d3affdb9a1e1b1d86e6288634863767f17

  • SHA256

    4f0ee7a605c3146b8b82a12c705c8417a1ea4d7e4bf8b5b2a5107077332e7cab

  • SHA512

    f574c2bd9cf3cc93de0c3ad00d8cd0c3ae67642c2fa64f412691ab17e3ddb1cffa911a4a0795bde3ce45ce98560b9fdfc9f18109dab1a701339ff7630f1aa204

  • SSDEEP

    3072:+iXNHOXPsYfG+ri3fuECn/AHbc5j6+2LXlevxY14FF3iLU5zLR2:+iXNHOXPsYfG+ri3fudQ

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 29 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 28 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\000315202300.js
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\000315202300.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      PID:2264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\000315202300.js
    Filesize

    1.1MB

    MD5

    50b25d9512c8d025c67a78e308bb9209

    SHA1

    4a2ba2d3affdb9a1e1b1d86e6288634863767f17

    SHA256

    4f0ee7a605c3146b8b82a12c705c8417a1ea4d7e4bf8b5b2a5107077332e7cab

    SHA512

    f574c2bd9cf3cc93de0c3ad00d8cd0c3ae67642c2fa64f412691ab17e3ddb1cffa911a4a0795bde3ce45ce98560b9fdfc9f18109dab1a701339ff7630f1aa204

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\000315202300.js
    Filesize

    1.1MB

    MD5

    50b25d9512c8d025c67a78e308bb9209

    SHA1

    4a2ba2d3affdb9a1e1b1d86e6288634863767f17

    SHA256

    4f0ee7a605c3146b8b82a12c705c8417a1ea4d7e4bf8b5b2a5107077332e7cab

    SHA512

    f574c2bd9cf3cc93de0c3ad00d8cd0c3ae67642c2fa64f412691ab17e3ddb1cffa911a4a0795bde3ce45ce98560b9fdfc9f18109dab1a701339ff7630f1aa204

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\000315202300.js
    Filesize

    1.1MB

    MD5

    50b25d9512c8d025c67a78e308bb9209

    SHA1

    4a2ba2d3affdb9a1e1b1d86e6288634863767f17

    SHA256

    4f0ee7a605c3146b8b82a12c705c8417a1ea4d7e4bf8b5b2a5107077332e7cab

    SHA512

    f574c2bd9cf3cc93de0c3ad00d8cd0c3ae67642c2fa64f412691ab17e3ddb1cffa911a4a0795bde3ce45ce98560b9fdfc9f18109dab1a701339ff7630f1aa204

    Download Submit