Overview

overview

10

Static

static

3

bc73709dc4...a0.exe

windows10-2004-x64

bc73709dc4...a0.exe

windows11-ltsc_2024-x64

Analysis

  • max time kernel
    2s
  • max time network
    16s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 10:42

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Errors

Reason
Machine shutdown

General

  • Target
    bc73709dc4959a98ba36ad2f3b77f326bb869f51b8bbb302dfb6869b9739b0a0.exe
  • Size 33KB
  • Sample260731-mrrxwagh29
  • SHA256 bc73709dc4959a98ba36ad2f3b77f326bb869f51b8bbb302dfb6869b9739b0a0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasionexecutionpersistencetrojan

Malware Config

Signatures

  • UAC bypass 3 TTPs 3 IoCs
    defense_evasiontrojan
  • Disables RegEdit via registry modification 2 IoCs
    defense_evasion
  • Disables Task Manager via registry modification
    defense_evasion
  • Disables cmd.exe use via registry modification 2 IoCs
    defense_evasion
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Modifies WinLogon 2 TTPs 3 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Executes a command shell one-liner 1 TTPs 5 IoCs

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

    execution
  • Runs net.exe
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 23 IoCs
    defense_evasion
  • 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\bc73709dc4959a98ba36ad2f3b77f326bb869f51b8bbb302dfb6869b9739b0a0.exe
    "C:\Users\Admin\AppData\Local\Temp\bc73709dc4959a98ba36ad2f3b77f326bb869f51b8bbb302dfb6869b9739b0a0.exe"
    1⤵
    • UAC bypass
    • Disables RegEdit via registry modification
    • Disables cmd.exe use via registry modification
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4928
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn "Microsoft\Windows\Update\SystemCheck" /tr "C:\Windows\system32\svchost.exe" /sc MINUTE /mo 1 /ru SYSTEM /rl HIGHEST /f
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:720
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "Microsoft\Windows\Update\SystemCheck" /tr "C:\Windows\system32\svchost.exe" /sc MINUTE /mo 1 /ru SYSTEM /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1900
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c devcon disable *PNP0F03* >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      PID:3680
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c devcon disable *PNP0F0B* >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      PID:3768
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c devcon disable *USB\Class_03* >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      PID:2944
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c net user Admin 9241842834
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3360
      • C:\Windows\system32\net.exe
        net user Admin 9241842834
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 user Admin 9241842834
          4⤵
            PID:1360
      • C:\Windows\SYSTEM32\svchost.exe
        svchost.exe -invalid C:\Windows\system32\cmd.exe /c gpupdate /force >nul 2>&1
        2⤵
          PID:4876
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        1⤵
        • Executes dropped EXE
        PID:2276

      Network

            MITRE ATT&CK Enterprise v16

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Command and Scripting Interpreter

            1
            T1059

            Windows Command Shell

            1
            T1059.003

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Persistence

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Winlogon Helper DLL

            1
            T1547.004

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Privilege Escalation

            Abuse Elevation Control Mechanism

            1
            T1548

            Bypass User Account Control

            1
            T1548.002

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Winlogon Helper DLL

            1
            T1547.004

            Scheduled Task/Job

            1
            T1053

            Scheduled Task

            1
            T1053.005

            Defense Evasion

            Abuse Elevation Control Mechanism

            1
            T1548

            Bypass User Account Control

            1
            T1548.002

            Impair Defenses

            1
            T1562

            Disable or Modify Tools

            1
            T1562.001

            Modify Registry

            4
            T1112

            Credential Access

            Discovery

            Query Registry

            1
            T1012

            System Information Discovery

            1
            T1082

            Lateral Movement

            Collection

            Command and Control

            Exfiltration

            Impact

            Replay Monitor

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            Downloads

            svchost.exe
            • Path C:\Windows\System32\svchost.exe
            • Size 56KB
            • SHA256 643ec58e82e0272c97c2a59f6020970d881af19c0ad5029db9c958c13b6558c7
            • MD5 SHA1 SHA512 SSDEEP TLSH
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