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
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2023 08:11

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General

  • Target

    proof of payment.js

  • Size

    941KB

  • MD5

    aefbde8b2feb2370f55b45f7c9fb33f8

  • SHA1

    5bcee2dc04e6bef1c9753ef1b8d86e55a46a94de

  • SHA256

    a4091f479b77f96865cd035492ce534e54dfaa59178cf74e2a045fa5d0916b8c

  • SHA512

    8657a53c5efc479c26e29fab3c058784420224e5c511a1b70bb9ad187a5d3719a7abf265b6e1ad64ffd17cb295c29a674086276594534efeb69d8858fcc4733d

  • SSDEEP

    6144:MQPp6tU2vR4K1zzGxx29tUHwYwdetKadJjXqs4TSBdWHYa7iiRhqb0YDFL0jEhHb:Xj9

Score
10/10
wshrattrojan

Malware Config

Extracted

Family

wshrat

C2

http://harold.2waky.com:1604

Signatures

  • WSHRAT

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

    trojanwshrat
  • Blocklisted process makes network request 23 IoCs
  • 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 3 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\proof of payment.js"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:2208
    • 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:2600

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

    941KB

    MD5

    aefbde8b2feb2370f55b45f7c9fb33f8

    SHA1

    5bcee2dc04e6bef1c9753ef1b8d86e55a46a94de

    SHA256

    a4091f479b77f96865cd035492ce534e54dfaa59178cf74e2a045fa5d0916b8c

    SHA512

    8657a53c5efc479c26e29fab3c058784420224e5c511a1b70bb9ad187a5d3719a7abf265b6e1ad64ffd17cb295c29a674086276594534efeb69d8858fcc4733d

    Download Submit

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

    941KB

    MD5

    aefbde8b2feb2370f55b45f7c9fb33f8

    SHA1

    5bcee2dc04e6bef1c9753ef1b8d86e55a46a94de

    SHA256

    a4091f479b77f96865cd035492ce534e54dfaa59178cf74e2a045fa5d0916b8c

    SHA512

    8657a53c5efc479c26e29fab3c058784420224e5c511a1b70bb9ad187a5d3719a7abf265b6e1ad64ffd17cb295c29a674086276594534efeb69d8858fcc4733d

    Download Submit

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

    941KB

    MD5

    aefbde8b2feb2370f55b45f7c9fb33f8

    SHA1

    5bcee2dc04e6bef1c9753ef1b8d86e55a46a94de

    SHA256

    a4091f479b77f96865cd035492ce534e54dfaa59178cf74e2a045fa5d0916b8c

    SHA512

    8657a53c5efc479c26e29fab3c058784420224e5c511a1b70bb9ad187a5d3719a7abf265b6e1ad64ffd17cb295c29a674086276594534efeb69d8858fcc4733d

    Download Submit