Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/11/2026, 18:14

General

  • Target
    distroav-6.2.2-windows-x64-Installer.exe
  • Size 3.2MB
  • Sample261107-wvbvhady9v
  • SHA256 86087f8ac1f51886794e2a903e64e36341aca0a463a5278b88b2c760a06a6f7e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 12 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\distroav-6.2.2-windows-x64-Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\distroav-6.2.2-windows-x64-Installer.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Users\Admin\AppData\Local\Temp\is-S5S16EC3E6.tmp\distroav-6.2.2-windows-x64-Installer.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-S5S16EC3E6.tmp\distroav-6.2.2-windows-x64-Installer.tmp" /SL5="$401C4,2117992,1219584,C:\Users\Admin\AppData\Local\Temp\distroav-6.2.2-windows-x64-Installer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:6008
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" advfirewall firewall delete rule name="OBS - DistroAV" dir=out
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4636
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" advfirewall firewall add rule name="OBS - DistroAV" dir=out action=allow program="{autopf}\obs-studio\bin\64bit\obs64.exe" description="Rules added by DistroAV installer for ease of use." enable=yes
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:5492
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" advfirewall firewall delete rule name="OBS - DistroAV" dir=in
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2436
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" advfirewall firewall add rule name="OBS - DistroAV" dir=in action=allow program="{autopf}\obs-studio\bin\64bit\obs64.exe" description="Rules added by DistroAV installer for ease of use." enable=yes
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:464

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        is-25G1TJ0LIV.tmp

        • Path C:\ProgramData\obs-studio\plugins\distroav\bin\64bit\is-25G1TJ0LIV.tmp
        • Size 610KB
        • SHA256 2a69ca6b1cea4401193f01e6f4c112d31f67869274bcbacdbbef3193e7abe696
        • MD5 SHA1 SHA512 SSDEEP TLSH

        is-96Q1VMSIJM.tmp

        • Path C:\ProgramData\obs-studio\plugins\distroav\bin\64bit\is-96Q1VMSIJM.tmp
        • Size 4.5MB
        • SHA256 05841cc6b748b1bf33d9707dad177a38f975957d0cb43a45d23c60a0388f63e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        distroav-6.2.2-windows-x64-Installer.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-S5S16EC3E6.tmp\distroav-6.2.2-windows-x64-Installer.tmp
        • Size 4.5MB
        • SHA256 dd6fa67c7089cfa40dc30f4a3c6683756ef85e18db3afec3d4de25899b137571
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5084-0-0x0000000000570000-0x00000000006A8000-memory.dmp

        memory/5084-8-0x0000000000570000-0x00000000006A8000-memory.dmp

        memory/5084-81-0x0000000000570000-0x00000000006A8000-memory.dmp

        memory/6008-6-0x00000000039A0000-0x00000000039A1000-memory.dmp

        memory/6008-10-0x00000000039A0000-0x00000000039A1000-memory.dmp

        memory/6008-9-0x0000000000F90000-0x0000000001423000-memory.dmp

        memory/6008-12-0x0000000000F90000-0x0000000001423000-memory.dmp

        memory/6008-79-0x0000000000F90000-0x0000000001423000-memory.dmp

        memory/6008-80-0x0000000000F90000-0x0000000001423000-memory.dmp