Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/08/2026, 10:54

General

  • Target
    e8e66a9f88ba42d8d0acf23c6ab4a308e43e916d96e9312bb1f9264cd516aa77.exe
  • Size 6.5MB
  • Sample260827-mzrl3sstdz
  • SHA256 e8e66a9f88ba42d8d0acf23c6ab4a308e43e916d96e9312bb1f9264cd516aa77
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Looks up external IP address via web service 1 TTPs 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).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8e66a9f88ba42d8d0acf23c6ab4a308e43e916d96e9312bb1f9264cd516aa77.exe
    "C:\Users\Admin\AppData\Local\Temp\e8e66a9f88ba42d8d0acf23c6ab4a308e43e916d96e9312bb1f9264cd516aa77.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /Create /TN "PeerCreator" /TR "C:\Users\Admin\AppData\Roaming\WSystemPeers\WPeerC.exe" /SC ONLOGON /RL HIGHEST /F >nul 2>nul
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4516
      • C:\Windows\system32\schtasks.exe
        schtasks /Create /TN "PeerCreator" /TR "C:\Users\Admin\AppData\Roaming\WSystemPeers\WPeerC.exe" /SC ONLOGON /RL HIGHEST /F
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4468
    • C:\Users\Admin\AppData\Roaming\WSystemPeers\WPeerC.exe
      "C:\Users\Admin\AppData\Roaming\WSystemPeers\WPeerC.exe"
      2⤵
      • Executes dropped EXE
      PID:1764
  • C:\Users\Admin\AppData\Roaming\WSystemPeers\WPeerC.exe
    C:\Users\Admin\AppData\Roaming\WSystemPeers\WPeerC.exe
    1⤵
    • Executes dropped EXE
    PID:4924

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        WPeerC.exe

        • Path C:\Users\Admin\AppData\Roaming\WSystemPeers\WPeerC.exe
        • Size 8.0MB
        • SHA256 6bd2169fb1d3b802aee5e90612523703f99049b9cfb35b5ff781adfb9bd572b4
        • MD5 SHA1 SHA512 SSDEEP TLSH