Overview

overview

10

Static

static

10

2026-10-26...ry.exe

windows10-2004-x64

9

2026-10-26...ry.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 01:30

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General

  • Target
    2026-10-26_fa06fa075e1e23e7922b450f46224ee3_cobalt-strike_wannacry.exe
  • Size 32.0MB
  • Sample261027-bwyenscd63
  • SHA256 fb68070ad4e6f995b3df28e2491d8498de2351a406070030254ae796d743545b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasionexecutionpersistence

Malware Config

Signatures

  • Detects command variations typically used by ransomware 14 IoCs
  • Detects executables containing artifacts associated with disabling Widnows Defender 14 IoCs
  • Detects executables containing commands for clearing Windows Event Logs 14 IoCs
  • Detects executables embedding command execution via IExecuteCommand COM object 14 IoCs
  • Detects executables embedding registry key / value combination indicative of disabling Windows Defen 14 IoCs
  • Detects executables referencing combination of virtualization drivers 14 IoCs
  • Detects executables referencing many IR and analysis tools 14 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    defense_evasion
  • 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.

    execution
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-26_fa06fa075e1e23e7922b450f46224ee3_cobalt-strike_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_fa06fa075e1e23e7922b450f46224ee3_cobalt-strike_wannacry.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c schtasks /run /tn "\Microsoft\Windows\TaskScheduler\Maintenance Configurator" >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\system32\schtasks.exe
        schtasks /run /tn "\Microsoft\Windows\TaskScheduler\Maintenance Configurator"
        3⤵
          PID:3444

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/3696-2-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-3-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-4-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-5-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-6-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-7-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-8-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-9-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-10-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-11-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-12-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-13-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-14-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download

          memory/3696-15-0x00007FF7793C0000-0x00007FF77B3C0000-memory.dmp
          Download