Analysis

  • max time kernel
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/05/2026, 00:27

General

  • Target
    2026-05-17_5aa156f3aa2511335213e991121cb5df_conti.exe
  • Size 20KB
  • Sample260517-ar6d2sbt2s
  • SHA256 2a677e556c438d36881a20e476d5d652fc16a103ea5c109bdb61efb40292670b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops startup file 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 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\2026-05-17_5aa156f3aa2511335213e991121cb5df_conti.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-17_5aa156f3aa2511335213e991121cb5df_conti.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c schtasks /create /tn "\Microsoft\Windows\WindowsUpdate" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe" /sc onlogon /ru "SYSTEM" /f /rl highest
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4716
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "\Microsoft\Windows\WindowsUpdate" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe" /sc onlogon /ru "SYSTEM" /f /rl highest
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4508
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c schtasks /create /tn "\Microsoft\Windows\SystemDriver" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe" /sc onlogon /ru "SYSTEM" /f /rl highest
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "\Microsoft\Windows\SystemDriver" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe" /sc onlogon /ru "SYSTEM" /f /rl highest
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:772
  • C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe
    1⤵
    • Drops startup file
    • Executes dropped EXE
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3252
    • C:\Windows\system32\cmd.exe
      cmd.exe /c schtasks /create /tn "\Microsoft\Windows\WindowsUpdate" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe" /sc onlogon /ru "SYSTEM" /f /rl highest
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "\Microsoft\Windows\WindowsUpdate" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe" /sc onlogon /ru "SYSTEM" /f /rl highest
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4816
    • C:\Windows\system32\cmd.exe
      cmd.exe /c schtasks /create /tn "\Microsoft\Windows\SystemDriver" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe" /sc onlogon /ru "SYSTEM" /f /rl highest
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3616
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "\Microsoft\Windows\SystemDriver" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe" /sc onlogon /ru "SYSTEM" /f /rl highest
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4192

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        DeviceManager.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Drivers\DeviceManager.exe
        • Size 20KB
        • SHA256 2a677e556c438d36881a20e476d5d652fc16a103ea5c109bdb61efb40292670b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemDriver.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystemDriver.lnk
        • Size 1KB
        • SHA256 de403f6411dfb5ad1878f7f9a2a0dc920ed90f8472a3034479c38cf9e7a73176
        • MD5 SHA1 SHA512 TLSH

        WindowsUpdate.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsUpdate.lnk
        • Size 1KB
        • SHA256 90fed332a52cf28455332f7ff5cdc67b845dc87d924e4af19468ff55949cb384
        • MD5 SHA1 SHA512 TLSH

        memory/3056-18-0x00007FF6DCDF0000-0x00007FF6DCDFD000-memory.dmp

        memory/3252-19-0x00007FF73CC70000-0x00007FF73CC7D000-memory.dmp