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
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2023 06:41

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General

  • Target

    proof of payment.js

  • Size

    909KB

  • MD5

    f27847fc20b30026c51e0af483b9615b

  • SHA1

    ca1efe5d18ed26eb754eea44e489139c6a99784e

  • SHA256

    85047c1d66a2f4fd7f179cf957b27ac2c8925c02d9e1ac6d2f47fd925ed85e6f

  • SHA512

    d639f9caf639f7ddc683c3d6d3baa9d5d238ab9ba2267cad015902ac31462d3b23a72d5f806a64a1b258088df5ced2d240e6f617dfbc3022ff5bebd8e482006e

  • SSDEEP

    6144:MQY6OtQp/eDJ+YQOd5NxqbQ83MJR5Sd6CLvx7IfiOiRYAZ7dFuylY4LDWnMn4Z8X:Xx

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 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
  • 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 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\proof of payment.js"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:4308
    • 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:4092

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

    64KB

    MD5

    0aca373a4334eb21d089b664251e9b76

    SHA1

    40e5344f05a5371e65441db372dfaac96059c6e2

    SHA256

    36a1d5cf8483538ccd9e4812917be6a8a6937ce01f0fe7ec7fcf0b849e84a09a

    SHA512

    0ae65730d66572aa70bf8e36a1d36de91f4ad54cd86b305aa70f8beb8f1a3b72d6af9e9ee672f817732ab9de482df8dc3dd3490de5666d4a2f3036b1d8ec9290

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

    909KB

    MD5

    f27847fc20b30026c51e0af483b9615b

    SHA1

    ca1efe5d18ed26eb754eea44e489139c6a99784e

    SHA256

    85047c1d66a2f4fd7f179cf957b27ac2c8925c02d9e1ac6d2f47fd925ed85e6f

    SHA512

    d639f9caf639f7ddc683c3d6d3baa9d5d238ab9ba2267cad015902ac31462d3b23a72d5f806a64a1b258088df5ced2d240e6f617dfbc3022ff5bebd8e482006e

    Download Submit

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

    909KB

    MD5

    f27847fc20b30026c51e0af483b9615b

    SHA1

    ca1efe5d18ed26eb754eea44e489139c6a99784e

    SHA256

    85047c1d66a2f4fd7f179cf957b27ac2c8925c02d9e1ac6d2f47fd925ed85e6f

    SHA512

    d639f9caf639f7ddc683c3d6d3baa9d5d238ab9ba2267cad015902ac31462d3b23a72d5f806a64a1b258088df5ced2d240e6f617dfbc3022ff5bebd8e482006e

    Download Submit