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
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-04-2023 07:26

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General

  • Target

    proof of payment.js

  • Size

    889KB

  • MD5

    efc5acb3aca2cf5fbeb9a84cfeead4ea

  • SHA1

    268e8aac48146555279c8464348f7715f360f81b

  • SHA256

    1df7fbf9fa17d2a0d1842835081786741b976a2a20fde19aabbe4f34af62df07

  • SHA512

    1a3a8d2dee581d6126303f6c11286c354b5d46efc37cac20eaf2f288aa72f5a9f71f71ccabca826fe29a9ce07cce2a87b22435442f3547b4f5841b5fd79c16fa

  • SSDEEP

    6144:GQpGhV3Cbp8Ka7UqqaaRyHIQwkKaq2iuh8Qy04sBGi+oIdzdya6R/EHHKgk/kZjJ:NchO

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 27 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). Likely ransomware behaviour.

  • Script User-Agent 26 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:1992
    • 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:4508

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    889KB

    MD5

    efc5acb3aca2cf5fbeb9a84cfeead4ea

    SHA1

    268e8aac48146555279c8464348f7715f360f81b

    SHA256

    1df7fbf9fa17d2a0d1842835081786741b976a2a20fde19aabbe4f34af62df07

    SHA512

    1a3a8d2dee581d6126303f6c11286c354b5d46efc37cac20eaf2f288aa72f5a9f71f71ccabca826fe29a9ce07cce2a87b22435442f3547b4f5841b5fd79c16fa

    Download Submit

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

    889KB

    MD5

    efc5acb3aca2cf5fbeb9a84cfeead4ea

    SHA1

    268e8aac48146555279c8464348f7715f360f81b

    SHA256

    1df7fbf9fa17d2a0d1842835081786741b976a2a20fde19aabbe4f34af62df07

    SHA512

    1a3a8d2dee581d6126303f6c11286c354b5d46efc37cac20eaf2f288aa72f5a9f71f71ccabca826fe29a9ce07cce2a87b22435442f3547b4f5841b5fd79c16fa

    Download Submit

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

    889KB

    MD5

    efc5acb3aca2cf5fbeb9a84cfeead4ea

    SHA1

    268e8aac48146555279c8464348f7715f360f81b

    SHA256

    1df7fbf9fa17d2a0d1842835081786741b976a2a20fde19aabbe4f34af62df07

    SHA512

    1a3a8d2dee581d6126303f6c11286c354b5d46efc37cac20eaf2f288aa72f5a9f71f71ccabca826fe29a9ce07cce2a87b22435442f3547b4f5841b5fd79c16fa

    Download Submit