Overview

overview

10

Static

static

1

proof of payment.js

windows7-x64

10

proof of payment.js

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-10-2023 11:22

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General

  • Target

    proof of payment.js

  • Size

    900KB

  • MD5

    6e554787e0c33f72d3b40fc0a9efb825

  • SHA1

    127105cd35967eac8a7299fccd7532c56de70a0c

  • SHA256

    ed3867747c220cc11f5115b4926c74d63cec22cf2d58f5554b832dd2a02718d3

  • SHA512

    e61d1ccc093d942c645aba2da28872854a70f560e483ac01b3246f36623f9df9c428f2b410bed4985bd75f49b51ee28e50a03d2d4211664e298e7eb874bb26a0

  • SSDEEP

    6144:MQDZ29oDbwBXoS+idRXVY1205EBnBCHUMvXzdgfe44jSY77rLQwfu4dr4fgbQZer:XN

Score
10/10
wshrattrojan

Malware Config

Extracted

Family

wshrat

C2

http://harold.ns01.info:1604

Signatures

  • WSHRAT

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

    trojanwshrat
  • Blocklisted process makes network request 22 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 21 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\proof of payment.js"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\proof of payment.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      PID:3752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    900KB

    MD5

    6e554787e0c33f72d3b40fc0a9efb825

    SHA1

    127105cd35967eac8a7299fccd7532c56de70a0c

    SHA256

    ed3867747c220cc11f5115b4926c74d63cec22cf2d58f5554b832dd2a02718d3

    SHA512

    e61d1ccc093d942c645aba2da28872854a70f560e483ac01b3246f36623f9df9c428f2b410bed4985bd75f49b51ee28e50a03d2d4211664e298e7eb874bb26a0

    Download Submit

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

    900KB

    MD5

    6e554787e0c33f72d3b40fc0a9efb825

    SHA1

    127105cd35967eac8a7299fccd7532c56de70a0c

    SHA256

    ed3867747c220cc11f5115b4926c74d63cec22cf2d58f5554b832dd2a02718d3

    SHA512

    e61d1ccc093d942c645aba2da28872854a70f560e483ac01b3246f36623f9df9c428f2b410bed4985bd75f49b51ee28e50a03d2d4211664e298e7eb874bb26a0

    Download Submit

  • C:\Users\Admin\proof of payment.js
    Filesize

    900KB

    MD5

    6e554787e0c33f72d3b40fc0a9efb825

    SHA1

    127105cd35967eac8a7299fccd7532c56de70a0c

    SHA256

    ed3867747c220cc11f5115b4926c74d63cec22cf2d58f5554b832dd2a02718d3

    SHA512

    e61d1ccc093d942c645aba2da28872854a70f560e483ac01b3246f36623f9df9c428f2b410bed4985bd75f49b51ee28e50a03d2d4211664e298e7eb874bb26a0

    Download Submit