Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 10:54

General

  • Target
    2026-08-08_31a15b5d6399462538b7300b2ce6d967_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
  • Size 401KB
  • Sample260808-mzyemavgrc
  • SHA256 f312fd87bff67fa631ecb7d1f7dfc88e85b113272908d64cf61b60a88c3f8ecd
  • 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 36 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\2026-08-08_31a15b5d6399462538b7300b2ce6d967_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_31a15b5d6399462538b7300b2ce6d967_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:2672
    • 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:4948
    • 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:2752
    • 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:1880
    • 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:6064
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /C reagentc /disable
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3112
      • C:\Windows\system32\ReAgentc.exe
        reagentc /disable
        3⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        PID:4736
    • 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:4184
      • C:\Windows\system32\takeown.exe
        takeown /F "C:\Windows\System32\reagentc.exe"
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:5344
    • 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:5376
      • C:\Windows\system32\icacls.exe
        icacls "C:\Windows\System32\reagentc.exe" /grant Administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1432
    • 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:1348
      • C:\Windows\system32\icacls.exe
        icacls "C:\Windows\System32\reagentc.exe" /deny Everyone:RX
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2240
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change monitor-timeout-ac 0
      2⤵
      • Power Settings
      PID:2312
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change monitor-timeout-dc 0
      2⤵
      • Power Settings
      PID:5668
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change standby-timeout-ac 0
      2⤵
      • Power Settings
      PID:2696
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change standby-timeout-dc 0
      2⤵
      • Power Settings
      PID:4776
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change hibernate-timeout-ac 0
      2⤵
      • Power Settings
      PID:5096
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /change hibernate-timeout-dc 0
      2⤵
      • Power Settings
      PID:3436
    • C:\Windows\SYSTEM32\powercfg.exe
      powercfg /hibernate off
      2⤵
      • Power Settings
      PID:5936
    • 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:4552
      • 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:3620
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BDESVC
    1⤵
      PID:3932
    • 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:3960
    • 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:2408
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4952

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            Win-v43.exe

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\Win-v43.exe
            • Size 401KB
            • SHA256 92f9b5639a71192649796dbb266ab8516f3b49bdc2554c45e47a9a9aa3406d61
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 e56f4a38e0c60f0196c589e1952198368a10927e65ff24d1476ffafc489657f4
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 ef5439a814abb823079f1ceb4d0eabb0ac8b5bb4c448c75f20a8383bf27af527
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_sy42tr5y.ivo.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sy42tr5y.ivo.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            memory/2752-49-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/2752-36-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-16-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-19-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-12-0x000001B54C680000-0x000001B54C69E000-memory.dmp

            memory/4948-13-0x000001B54C8D0000-0x000001B54C982000-memory.dmp

            memory/4948-14-0x000001B54C6A0000-0x000001B54C6AA000-memory.dmp

            memory/4948-15-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-0-0x00007FFE1B8FF000-0x00007FFE1B900000-memory.dmp

            memory/4948-17-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-18-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-9-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-21-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-22-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-24-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-20-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-8-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-7-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-6-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-5-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-4-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp

            memory/4948-3-0x000001B534560000-0x000001B534582000-memory.dmp