Overview

overview

10

Static

static

3

2026-08-03...at.exe

windows10-2004-x64

10

2026-08-03...at.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 11:30

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General

  • Target
    2026-08-03_6add3d27fb28b90910ca8a6b25fccf71_amadey_cryptbot_elex_luca-stealer_lynx_njrat.exe
  • Size 104.9MB
  • Sample260804-nmlezadn5v
  • SHA256 0c9ab72d252930a8129322731682073415f3502451ff87b583fba358d8d84ad9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorcredential_accessdefense_evasiondiscoveryevasionexecutionvalleyrat_s2persistenceprivilege_escalationransomwaretrojan

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 154.12.19.70:22011

  • 154.12.19.70:22012

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

    backdoorvalleyrat_s2
  • Detects ValleyRAT payload 4 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 32 IoCs
    defense_evasiontrojan
  • Modifies Windows Defender TamperProtection settings 3 TTPs 2 IoCs
    evasiontrojan
  • Modifies Windows Defender notification settings 3 TTPs 6 IoCs
    defense_evasiontrojan
  • Modifies firewall policy service 3 TTPs 1 IoCs
    defense_evasion
  • Modifies security service 2 TTPs 1 IoCs
    defense_evasion
  • UAC bypass 3 TTPs 3 IoCs
    defense_evasiontrojan
  • Windows security bypass 2 TTPs 4 IoCs
    defense_evasiontrojan
  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 2 IoCs
  • Detects executables embedding registry key / value combination indicative of disabling Windows Defen 2 IoCs
  • Disables use of System Restore points 1 TTPs
    defense_evasion
  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 12 IoCs
    defense_evasion
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
    persistence
  • Boot or Logon Autostart Execution: LSASS Driver 2 TTPs 2 IoCs

    Adversaries may modify or add LSASS drivers to obtain persistence on compromised systems.

    persistencecredential_access
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 8 IoCs
    defense_evasiontrojan
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 36 IoCs

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

    persistenceprivilege_escalation
  • Executes a command shell one-liner 1 TTPs 15 IoCs

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

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Modifies data under HKEY_USERS 19 IoCs
  • Modifies registry class 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • System policy modification 1 TTPs 3 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
  • Uses Volume Shadow Copy WMI provider

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

    ransomware
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_6add3d27fb28b90910ca8a6b25fccf71_amadey_cryptbot_elex_luca-stealer_lynx_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_6add3d27fb28b90910ca8a6b25fccf71_amadey_cryptbot_elex_luca-stealer_lynx_njrat.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\bbbbbbbbbbbbbb.exe
      "C:\bbbbbbbbbbbbbb.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\bbbbbbbbbbbbbb.exe
        "C:\bbbbbbbbbbbbbb.exe"
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Modifies Windows Defender TamperProtection settings
        • Modifies Windows Defender notification settings
        • Modifies firewall policy service
        • Modifies security service
        • UAC bypass
        • Windows security bypass
        • Drops file in Drivers directory
        • Server Software Component: Terminal Services DLL
        • Boot or Logon Autostart Execution: LSASS Driver
        • Executes dropped EXE
        • Loads dropped DLL
        • Windows security modification
        • Checks whether UAC is enabled
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:4128
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "gpupdate /force"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2080
          • C:\Windows\system32\gpupdate.exe
            gpupdate /force
            5⤵
              PID:3664
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "gpupdate /force"
            4⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:552
            • C:\Windows\system32\gpupdate.exe
              gpupdate /force
              5⤵
                PID:808
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - windowsupdate.microsoft.com" dir=out action=block remoteip=windowsupdate.microsoft.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:3456
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - windowsupdate.microsoft.com" dir=out action=block remoteip=windowsupdate.microsoft.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:1004
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - update.microsoft.com" dir=out action=block remoteip=update.microsoft.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:3180
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - update.microsoft.com" dir=out action=block remoteip=update.microsoft.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:4956
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - download.windowsupdate.com" dir=out action=block remoteip=download.windowsupdate.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:3324
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - download.windowsupdate.com" dir=out action=block remoteip=download.windowsupdate.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:3872
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - download.microsoft.com" dir=out action=block remoteip=download.microsoft.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:4700
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - download.microsoft.com" dir=out action=block remoteip=download.microsoft.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:1048
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - wustat.windows.com" dir=out action=block remoteip=wustat.windows.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:3260
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - wustat.windows.com" dir=out action=block remoteip=wustat.windows.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:4924
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - ntservicepack.microsoft.com" dir=out action=block remoteip=ntservicepack.microsoft.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:3516
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - ntservicepack.microsoft.com" dir=out action=block remoteip=ntservicepack.microsoft.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:1452
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - stats.microsoft.com" dir=out action=block remoteip=stats.microsoft.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:3868
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - stats.microsoft.com" dir=out action=block remoteip=stats.microsoft.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:3840
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - ars.smartscreen.microsoft.com" dir=out action=block remoteip=ars.smartscreen.microsoft.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:2640
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - ars.smartscreen.microsoft.com" dir=out action=block remoteip=ars.smartscreen.microsoft.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:2260
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - fe2.update.microsoft.com" dir=out action=block remoteip=fe2.update.microsoft.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:4472
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - fe2.update.microsoft.com" dir=out action=block remoteip=fe2.update.microsoft.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:1820
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - fe3.delivery.mp.microsoft.com" dir=out action=block remoteip=fe3.delivery.mp.microsoft.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:3444
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - fe3.delivery.mp.microsoft.com" dir=out action=block remoteip=fe3.delivery.mp.microsoft.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:3380
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block WU - tsfe.trafficshaping.dsp.mp.microsoft.com" dir=out action=block remoteip=tsfe.trafficshaping.dsp.mp.microsoft.com enable=yes"
              4⤵
              • Executes a command shell one-liner
              • System Network Configuration Discovery: Internet Connection Discovery
              • Suspicious use of WriteProcessMemory
              PID:3284
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block WU - tsfe.trafficshaping.dsp.mp.microsoft.com" dir=out action=block remoteip=tsfe.trafficshaping.dsp.mp.microsoft.com enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                • System Network Configuration Discovery: Internet Connection Discovery
                PID:3592
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "netsh advfirewall firewall add rule name="Block Windows Update Service" dir=out action=block program="C:\Windows\system32\svchost.exe" service=wuauserv enable=yes"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:4208
              • C:\Windows\system32\netsh.exe
                netsh advfirewall firewall add rule name="Block Windows Update Service" dir=out action=block program="C:\Windows\system32\svchost.exe" service=wuauserv enable=yes
                5⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:4612
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:2148
        • C:\Users\Admin\AppData\Local\Temp\drv_BootRepair.sys
          C:\Users\Admin\AppData\Local\Temp\drv_BootRepair.sys
          1⤵
          • Executes dropped EXE
          PID:3364
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k KillService -s KillService
          1⤵
          • Modifies Windows Defender Real-time Protection settings
          • Modifies Windows Defender TamperProtection settings
          • Modifies Windows Defender notification settings
          • Windows security bypass
          • Boot or Logon Autostart Execution: LSASS Driver
          • Loads dropped DLL
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1808
          • C:\Windows\system32\conhost.exe
            "C:\Windows\system32\conhost.exe"
            2⤵
            • Enumerates connected drives
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4732
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe
              3⤵
                PID:2312
            • C:\Windows\system32\cmd.exe
              cmd.exe /c "gpupdate /force"
              2⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:2396
              • C:\Windows\system32\gpupdate.exe
                gpupdate /force
                3⤵
                  PID:4980
            • C:\Windows\TEMP\drv_BootRepair.sys
              C:\Windows\TEMP\drv_BootRepair.sys
              1⤵
              • Executes dropped EXE
              PID:3204

            Network

                  MITRE ATT&CK Enterprise v16

                  Reconnaissance

                  Resource Development

                  Initial Access

                  Execution

                  Command and Scripting Interpreter

                  1
                  T1059

                  Windows Command Shell

                  1
                  T1059.003

                  Persistence

                  Boot or Logon Autostart Execution

                  1
                  T1547

                  LSASS Driver

                  1
                  T1547.008

                  Create or Modify System Process

                  6
                  T1543

                  Windows Service

                  6
                  T1543.003

                  Event Triggered Execution

                  1
                  T1546

                  Netsh Helper DLL

                  1
                  T1546.007

                  Server Software Component

                  1
                  T1505

                  Terminal Services DLL

                  1
                  T1505.005

                  Privilege Escalation

                  Abuse Elevation Control Mechanism

                  1
                  T1548

                  Bypass User Account Control

                  1
                  T1548.002

                  Boot or Logon Autostart Execution

                  1
                  T1547

                  LSASS Driver

                  1
                  T1547.008

                  Create or Modify System Process

                  6
                  T1543

                  Windows Service

                  6
                  T1543.003

                  Event Triggered Execution

                  1
                  T1546

                  Netsh Helper DLL

                  1
                  T1546.007

                  Defense Evasion

                  Abuse Elevation Control Mechanism

                  1
                  T1548

                  Bypass User Account Control

                  1
                  T1548.002

                  Impair Defenses

                  8
                  T1562

                  Disable or Modify System Firewall

                  2
                  T1562.004

                  Disable or Modify Tools

                  6
                  T1562.001

                  Modify Registry

                  9
                  T1112

                  Credential Access

                  OS Credential Dumping

                  1
                  T1003

                  LSASS Memory

                  1
                  T1003.001

                  Discovery

                  Peripheral Device Discovery

                  1
                  T1120

                  Query Registry

                  4
                  T1012

                  System Information Discovery

                  4
                  T1082

                  System Location Discovery

                  1
                  T1614

                  System Language Discovery

                  1
                  T1614.001

                  System Network Configuration Discovery

                  1
                  T1016

                  Internet Connection Discovery

                  1
                  T1016.001

                  Lateral Movement

                  Collection

                  Command and Control

                  Exfiltration

                  Impact

                  Inhibit System Recovery

                  1
                  T1490

                  Replay Monitor

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                  Downloads

                  Svchost.dll
                  • Path C:\ProgramData\OpenraVPN\Svchost.dll
                  • Size 1.0MB
                  • SHA256 73ad3cfafa6e112d03fc15c6137bd013aeccf2584ef98fd9c6c2e247cce4b81f
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  drv_BootRepair.sys
                  • Path C:\Users\Admin\AppData\Local\Temp\drv_BootRepair.sys
                  • Size 29KB
                  • SHA256 5ab36c116767eaae53a466fbc2dae7cfd608ed77721f65e83312037fbd57c946
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  bbbbbbbbbbbbbb.exe
                  • Path C:\bbbbbbbbbbbbbb.exe
                  • Size 2.2MB
                  • SHA256 93f2a9c1241ddaea6004b74dafac87a4248c2873914faf8aeb655f8b9867a45d
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  memory/4732-44-0x000001E13B020000-0x000001E13B049000-memory.dmp
                  Download

                  memory/4732-42-0x000001E13B020000-0x000001E13B049000-memory.dmp
                  Download

                  memory/4732-43-0x000001E13B020000-0x000001E13B049000-memory.dmp
                  Download

                  memory/4732-41-0x000001E13AD60000-0x000001E13AD61000-memory.dmp
                  Download

                  memory/4732-46-0x000001E13F330000-0x000001E13F37D000-memory.dmp
                  Download

                  memory/4732-47-0x000001E13F330000-0x000001E13F37D000-memory.dmp
                  Download

                  memory/4732-45-0x000001E13B020000-0x000001E13B049000-memory.dmp
                  Download

                  memory/4732-51-0x000001E13F330000-0x000001E13F37D000-memory.dmp
                  Download

                  memory/4732-50-0x000001E13F330000-0x000001E13F37D000-memory.dmp
                  Download

                  memory/4732-52-0x000001E13B020000-0x000001E13B049000-memory.dmp
                  Download

                  memory/4732-53-0x000001E13B020000-0x000001E13B049000-memory.dmp
                  Download