Overview

overview

10

Static

static

1

Dadebehrin....JS.js

windows7-x64

10

Dadebehrin....JS.js

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-05-2024 21:31

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General

  • Target

    Dadebehring PendingInvoiceBankDetails.JS.js

  • Size

    615KB

  • MD5

    0b7c8b483dbe9dd80dcfc2efc2fe3595

  • SHA1

    097e1054b08e5b6e454def018a04e865fb02874c

  • SHA256

    019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258

  • SHA512

    118be8d4c92581e3f51330eebfd5e7c5549e21b5d466d68799ddd6e7dc47b82e08f1924fabb7f049e0739da6f079983f4a2b87ab2957dc260b4763362406a321

  • SSDEEP

    12288:rYeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEMt:rYeIrWr/qRigAyX/kngXFbjTLvaH28nQ

Score
10/10
wshratexecutionpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://masterokrwh.duckdns.org:8426

Signatures

  • WSHRAT

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

    trojanwshrat
  • Blocklisted process makes network request 28 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 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.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Script User-Agent 27 IoCs

    Uses user-agent string associated with script host/environment.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Dadebehring PendingInvoiceBankDetails.JS.js"
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    PID:2172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    615KB

    MD5

    0b7c8b483dbe9dd80dcfc2efc2fe3595

    SHA1

    097e1054b08e5b6e454def018a04e865fb02874c

    SHA256

    019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258

    SHA512

    118be8d4c92581e3f51330eebfd5e7c5549e21b5d466d68799ddd6e7dc47b82e08f1924fabb7f049e0739da6f079983f4a2b87ab2957dc260b4763362406a321

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