Analysis

  • user interaction
    yes
  • max time kernel
    67s
  • max time network
    68s
  • 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, 14:01

General

  • Target
    YT3VM.exe
  • Size 586KB
  • Sample260731-rbzd8sbe49
  • SHA256 afee76a441618314d4f0701ac50f4c750c9b76e8aa77b28c3602850f97a00b5b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • Modifies Windows Defender TamperProtection settings 3 TTPs 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Renames multiple (151) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 1 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 9 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Outbound SSH connection to private host 3 TTPs 1 IoCs

    SSH is used for remote access. Internal traffic may indicate local host discovery or lateral movement.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Creates a file in the Startup directory 1 TTPs 5 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Creates new service(s) 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 3 IoCs

    remove IFEO.

  • Looks up external IP address via web service 1 TTPs 3 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 5 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 12 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Gathers network information 2 TTPs 4 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:620
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        2⤵
          PID:400
      • C:\Windows\system32\lsass.exe
        C:\Windows\system32\lsass.exe
        1⤵
          PID:676
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k DcomLaunch -p
          1⤵
            PID:800
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k RPCSS -p
            1⤵
              PID:960
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
              1⤵
                PID:60
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                1⤵
                  PID:64
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                  1⤵
                    PID:1068
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                    1⤵
                      PID:1112
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                      1⤵
                        PID:1136
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                        1⤵
                          PID:1160
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                          1⤵
                            PID:1220
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                            1⤵
                              PID:1244
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
                              1⤵
                                PID:1292
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                1⤵
                                  PID:1336
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                  1⤵
                                    PID:1384
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                    1⤵
                                      PID:1504
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                      1⤵
                                        PID:1572
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                        1⤵
                                          PID:1612
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                          1⤵
                                            PID:1632
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                            1⤵
                                              PID:1668
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                              1⤵
                                                PID:1800
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                1⤵
                                                  PID:1848
                                                • C:\Windows\System32\svchost.exe
                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                  1⤵
                                                    PID:1892
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                    1⤵
                                                      PID:1944
                                                    • C:\Windows\System32\svchost.exe
                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                      1⤵
                                                        PID:1124
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                        1⤵
                                                          PID:2088
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                          1⤵
                                                            PID:2096
                                                          • C:\Windows\System32\svchost.exe
                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                            1⤵
                                                              PID:2108
                                                            • C:\Windows\System32\svchost.exe
                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                              1⤵
                                                                PID:2160
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                1⤵
                                                                  PID:2168
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                  1⤵
                                                                    PID:2348
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                    1⤵
                                                                      PID:2368
                                                                    • C:\Windows\System32\svchost.exe
                                                                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                      1⤵
                                                                        PID:2540
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                        1⤵
                                                                          PID:2692
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                          1⤵
                                                                            PID:2700
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                            1⤵
                                                                              PID:2708
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                              1⤵
                                                                                PID:2736
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                1⤵
                                                                                  PID:2824
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                  1⤵
                                                                                    PID:2836
                                                                                  • C:\Windows\system32\svchost.exe
                                                                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                    1⤵
                                                                                      PID:2408
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                      1⤵
                                                                                        PID:796
                                                                                      • C:\Windows\system32\svchost.exe
                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                        1⤵
                                                                                          PID:3192
                                                                                        • C:\Windows\Explorer.EXE
                                                                                          C:\Windows\Explorer.EXE
                                                                                          1⤵
                                                                                            PID:3288
                                                                                            • C:\Users\Admin\AppData\Local\Temp\YT3VM.exe
                                                                                              "C:\Users\Admin\AppData\Local\Temp\YT3VM.exe"
                                                                                              2⤵
                                                                                              • Modifies WinLogon for persistence
                                                                                              • UAC bypass
                                                                                              • Checks whether UAC is enabled
                                                                                              • Drops file in Windows directory
                                                                                              • System Location Discovery: System Language Discovery
                                                                                              • Suspicious use of WriteProcessMemory
                                                                                              • System policy modification
                                                                                              PID:4232
                                                                                              • C:\Windows\files\bootup.exe
                                                                                                "C:\Windows\files\bootup.exe"
                                                                                                3⤵
                                                                                                • Modifies Windows Defender DisableAntiSpyware settings
                                                                                                • Modifies Windows Defender TamperProtection settings
                                                                                                • Drops file in Drivers directory
                                                                                                • Event Triggered Execution: Image File Execution Options Injection
                                                                                                • Outbound SSH connection to private host
                                                                                                • Checks computer location settings
                                                                                                • Creates a file in the Startup directory
                                                                                                • Executes dropped EXE
                                                                                                • Outbound SSH connection to public host
                                                                                                • Windows security modification
                                                                                                • Adds Run key to start application
                                                                                                • Drops desktop.ini file(s)
                                                                                                • Indicator Removal: Clear Persistence
                                                                                                • Writes to the Master Boot Record (MBR)
                                                                                                • Drops file in System32 directory
                                                                                                • Drops file in Program Files directory
                                                                                                • Drops file in Windows directory
                                                                                                • System Location Discovery: System Language Discovery
                                                                                                • Suspicious behavior: EnumeratesProcesses
                                                                                                • Suspicious use of AdjustPrivilegeToken
                                                                                                • Suspicious use of WriteProcessMemory
                                                                                                PID:2220
                                                                                                • C:\Windows\SysWOW64\ipconfig.exe
                                                                                                  "ipconfig" /all
                                                                                                  4⤵
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  • Gathers network information
                                                                                                  PID:3476
                                                                                                • C:\Windows\SysWOW64\ipconfig.exe
                                                                                                  "ipconfig" /all
                                                                                                  4⤵
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  • Gathers network information
                                                                                                  PID:3056
                                                                                                • C:\Windows\SysWOW64\ipconfig.exe
                                                                                                  "ipconfig" /all
                                                                                                  4⤵
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  • Gathers network information
                                                                                                  PID:4268
                                                                                                • C:\Windows\SysWOW64\netsh.exe
                                                                                                  "netsh" wlan show profiles
                                                                                                  4⤵
                                                                                                  • Event Triggered Execution: Netsh Helper DLL
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  • System Network Configuration Discovery: Wi-Fi Discovery
                                                                                                  PID:2064
                                                                                                • C:\Windows\SysWOW64\netsh.exe
                                                                                                  "netsh" wlan show profiles
                                                                                                  4⤵
                                                                                                  • Event Triggered Execution: Netsh Helper DLL
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  • System Network Configuration Discovery: Wi-Fi Discovery
                                                                                                  PID:2560
                                                                                                • C:\Windows\SysWOW64\ipconfig.exe
                                                                                                  "ipconfig" /all
                                                                                                  4⤵
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  • Gathers network information
                                                                                                  PID:1228
                                                                                                • C:\Windows\SysWOW64\schtasks.exe
                                                                                                  "C:\Windows\System32\schtasks.exe" /create /tn "Microsoft\Windows\Update\c86d69a4-ce7b-49ea-91a2-4ccc86697a2c" /tr "C:\Windows\files\bootup.exe" /sc onlogon /ru System /f
                                                                                                  4⤵
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  • Scheduled Task/Job: Scheduled Task
                                                                                                  PID:1824
                                                                                                • C:\Windows\SysWOW64\sc.exe
                                                                                                  "C:\Windows\System32\sc.exe" create "WindowsSecurity" binPath= "C:\Windows\files\bootup.exe" start= auto
                                                                                                  4⤵
                                                                                                  • Launches sc.exe
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  PID:3384
                                                                                                • C:\Windows\SysWOW64\netsh.exe
                                                                                                  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="WindowsUpdate" dir=out action=allow protocol=TCP
                                                                                                  4⤵
                                                                                                  • Modifies Windows Firewall
                                                                                                  • Event Triggered Execution: Netsh Helper DLL
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  PID:2120
                                                                                                • C:\Windows\SysWOW64\sc.exe
                                                                                                  "C:\Windows\System32\sc.exe" create "SystemUpdate" binPath= "C:\Windows\files\bootup.exe" start= auto
                                                                                                  4⤵
                                                                                                  • Launches sc.exe
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  PID:2592
                                                                                                • C:\Windows\SysWOW64\net.exe
                                                                                                  "C:\Windows\System32\net.exe" stop sysmon /y
                                                                                                  4⤵
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  PID:4472
                                                                                                  • C:\Windows\SysWOW64\net1.exe
                                                                                                    C:\Windows\system32\net1 stop sysmon /y
                                                                                                    5⤵
                                                                                                    • System Location Discovery: System Language Discovery
                                                                                                    PID:4844
                                                                                                • C:\Windows\SysWOW64\schtasks.exe
                                                                                                  "C:\Windows\System32\schtasks.exe" /create /tn "Microsoft\Windows\Update\d0538c99-d226-4032-a677-9820637ae2bb" /tr "C:\Windows\files\bootup.exe" /sc onlogon /ru System /f
                                                                                                  4⤵
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  • Scheduled Task/Job: Scheduled Task
                                                                                                  PID:1648
                                                                                                • C:\Windows\SysWOW64\netsh.exe
                                                                                                  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="WindowsUpdate" dir=out action=allow protocol=TCP
                                                                                                  4⤵
                                                                                                  • Modifies Windows Firewall
                                                                                                  • Event Triggered Execution: Netsh Helper DLL
                                                                                                  • System Location Discovery: System Language Discovery
                                                                                                  PID:3840
                                                                                                  • C:\Windows\System32\Conhost.exe
                                                                                                    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                                                                                                    5⤵
                                                                                                      PID:2064
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                              1⤵
                                                                                                PID:3392
                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                1⤵
                                                                                                  PID:4608
                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                  C:\Windows\System32\svchost.exe -k netsvcs -p
                                                                                                  1⤵
                                                                                                    PID:1828
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                    1⤵
                                                                                                      PID:4176
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                      1⤵
                                                                                                        PID:4916
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                        1⤵
                                                                                                          PID:1036
                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                                                                                                          1⤵
                                                                                                            PID:3588
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
                                                                                                            1⤵
                                                                                                              PID:4992
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
                                                                                                              1⤵
                                                                                                                PID:4672

                                                                                                              Network

                                                                                                                    MITRE ATT&CK Enterprise v16

                                                                                                                    Replay Monitor

                                                                                                                    Loading Replay Monitor...

                                                                                                                    Downloads

                                                                                                                    desktop.ini

                                                                                                                    • Path C:\Users\Admin\AppData\Roaming\stolen\desktop.ini
                                                                                                                    • Size 282B
                                                                                                                    • SHA256 b029393ea7b7cf644fb1c9f984f57c1980077562ee2e15d0ffd049c4c48098d3
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    desktop.ini

                                                                                                                    • Path C:\Users\Admin\AppData\Roaming\stolen\desktop.ini
                                                                                                                    • Size 190B
                                                                                                                    • SHA256 d01a7ef6233ef4ab3ea7210c0f2837931d334a20ae4d2a05ed03291e59e576c9
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    hosts

                                                                                                                    • Path C:\Windows\System32\drivers\etc\hosts
                                                                                                                    • Size 1KB
                                                                                                                    • SHA256 cd0dd57baed19beb8db16c670763e8c93442bdde9627bd1d24ba201dab7cf7e7
                                                                                                                    • MD5 SHA1 SHA512 TLSH

                                                                                                                    bootup.exe

                                                                                                                    • Path C:\Windows\files\bootup.exe
                                                                                                                    • Size 586KB
                                                                                                                    • SHA256 afee76a441618314d4f0701ac50f4c750c9b76e8aa77b28c3602850f97a00b5b
                                                                                                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                                                    stage.txt

                                                                                                                    • Path C:\Windows\files\stage.txt
                                                                                                                    • Size 1B
                                                                                                                    • SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
                                                                                                                    • MD5 SHA1 SHA512

                                                                                                                    memory/2220-10-0x0000000005180000-0x0000000005190000-memory.dmp

                                                                                                                    memory/2220-11-0x0000000005180000-0x0000000005190000-memory.dmp

                                                                                                                    memory/2220-42-0x000000000AB40000-0x000000000AB62000-memory.dmp

                                                                                                                    memory/2220-251-0x0000000005180000-0x0000000005190000-memory.dmp

                                                                                                                    memory/2220-252-0x0000000005180000-0x0000000005190000-memory.dmp

                                                                                                                    memory/2220-253-0x000000000D2D0000-0x000000000D336000-memory.dmp

                                                                                                                    memory/4232-0-0x00000000007B0000-0x0000000000848000-memory.dmp

                                                                                                                    memory/4232-2-0x0000000005860000-0x0000000005E04000-memory.dmp

                                                                                                                    memory/4232-1-0x0000000005210000-0x00000000052A2000-memory.dmp