Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/07/2024, 04:39

General

  • Target

    wscripts/firewall-remove.vbs

  • Size

    367B

  • MD5

    5d4d70cdf36fcdaa292da1da9133320c

  • SHA1

    92dc18d3d1128d43f482ab56804136c687b00713

  • SHA256

    75f1dece4fda689a907f6d74b513adb0c1771c1b79ea71160179542c9c4ab2f0

  • SHA512

    b54c92fbecb10ddf66d1b7ad950ffbc13f504c71081a8bd56c28c5689a2bf19bd81b467e0697c38f140c72a273eb9eb837105e738c6f1ac4f43344e2ab521778

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\wscripts\firewall-remove.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\System32\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall delete rule name=Parsec
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:1200
    • C:\Windows\System32\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall delete rule name=parsec.exe
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:688
    • C:\Windows\System32\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall delete rule name=parsecd.exe
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:892

Network

MITRE ATT&CK Enterprise v15

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