Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 08:46

General

  • Target
    2026-08-15_ecf774575cf6cf49d99748f9233c9d96_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
  • Size 401KB
  • Sample260815-kpf2gsserc
  • SHA256 ec1a0560aebabfd258e1d8af0c830f0eba6db77b83acbfd026df00663211de86
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Looks for VMWare Tools registry key 2 TTPs 3 IoCs
  • Possible privilege escalation attempt 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies file permissions 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Power Settings 1 TTPs 7 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 5 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

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

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 21 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\2026-08-15_ecf774575cf6cf49d99748f9233c9d96_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-15_ecf774575cf6cf49d99748f9233c9d96_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4280
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionProcess 'powershell.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2556
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionProcess 'cmd.exe'; Add-MpPreference -ExclusionPath 'C:\'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4620
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionProcess 'WinTemp-v4.exe'; Add-MpPreference -ExclusionProcess 'Win-v42.exe'; Add-MpPreference -ExclusionProcess 'Win-v43.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:236
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /Create /TN "v4" /TR "C:\Windows\System32\Win-v42.exe" /SC ONLOGON /RL HIGHEST /F
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:408
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /C reagentc /disable
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:6032
      • C:\Windows\system32\ReAgentc.exe
        reagentc /disable
        3⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        PID:6044
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /C takeown /F "%SystemRoot%\System32\reagentc.exe"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4296
      • C:\Windows\system32\takeown.exe
        takeown /F "C:\Windows\System32\reagentc.exe"
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4100
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /C icacls "%SystemRoot%\System32\reagentc.exe" /grant Administrators:F
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\system32\icacls.exe
        icacls "C:\Windows\System32\reagentc.exe" /grant Administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4736
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /C icacls "%SystemRoot%\System32\reagentc.exe" /deny Everyone:RX
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\system32\icacls.exe
        icacls "C:\Windows\System32\reagentc.exe" /deny Everyone:RX
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:952
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change monitor-timeout-ac 0
      2⤵
      • Power Settings
      PID:4508
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change monitor-timeout-dc 0
      2⤵
      • Power Settings
      PID:3392
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change standby-timeout-ac 0
      2⤵
      • Power Settings
      PID:572
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change standby-timeout-dc 0
      2⤵
      • Power Settings
      PID:1668
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change hibernate-timeout-ac 0
      2⤵
      • Power Settings
      PID:4640
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change hibernate-timeout-dc 0
      2⤵
      • Power Settings
      PID:5788
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /hibernate off
      2⤵
      • Power Settings
      PID:716
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c ping -n 1 -w 1000 8.8.8.8 > nul
      2⤵
      • Executes a command shell one-liner
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:5584
      • C:\Windows\system32\PING.EXE
        ping -n 1 -w 1000 8.8.8.8
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2064
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BDESVC
    1⤵
      PID:5980
    • C:\Windows\System32\Win-v42.exe
      C:\Windows\System32\Win-v42.exe
      1⤵
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:3980
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\Win-v43.exe
      C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\Win-v43.exe
      1⤵
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:672

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 58245b535bb164e85943800b4154e0128260c1a510da112294f1c53edfbfbf07
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 82641133f5cdc462648a5c876cf15dfd3ff6d589ae6aa85eee7cf9645ecef69d
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_3ipk1nkc.50p.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ipk1nkc.50p.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          Win-v42.exe

          • Path C:\Windows\System32\Win-v42.exe
          • Size 401KB
          • SHA256 05a0e3db9c0227ce72a1cfe21eb8923c35c0b5cc5c576568d7434ed4898b8b9a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/236-55-0x0000022971810000-0x0000022971900000-memory.dmp

          memory/2556-27-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-20-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-12-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-11-0x000001BC20820000-0x000001BC2083E000-memory.dmp

          memory/2556-13-0x000001BC20840000-0x000001BC208F2000-memory.dmp

          memory/2556-14-0x000001BC20900000-0x000001BC2090A000-memory.dmp

          memory/2556-15-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-16-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-17-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-18-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-19-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-5-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-21-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-22-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-24-0x000001BC20D10000-0x000001BC20E00000-memory.dmp

          memory/2556-26-0x000001BC207B9000-0x000001BC207BF000-memory.dmp

          memory/2556-25-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-0-0x00007FFBB23AF000-0x00007FFBB23B0000-memory.dmp

          memory/2556-7-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-8-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-6-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-4-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/2556-3-0x000001BC20780000-0x000001BC207A2000-memory.dmp

          memory/4620-28-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-35-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-36-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-37-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-38-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-39-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-42-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-43-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-44-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-45-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-48-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-47-0x0000017B31B30000-0x0000017B31C20000-memory.dmp

          memory/4620-34-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-33-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-63-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-32-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp

          memory/4620-68-0x00007FFBB2220000-0x00007FFBB2BC4000-memory.dmp