Overview

overview

10

Static

static

3

SvinoLock.exe

windows10-2004-x64

10

SvinoLock.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    135s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/08/2026, 19:43

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General

  • Target
    SvinoLock.exe
  • Size 5.7MB
  • Sample260809-yfghjsxybt
  • SHA256 e86c71955843187218899fc6d467366e27104db5027dae8ae0ab9b5866392541
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealertrojan

Malware Config

Signatures

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
    evasiontrojan
  • UAC bypass 3 TTPs 2 IoCs
    defense_evasiontrojan
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Modifies boot configuration data using bcdedit 1 TTPs 14 IoCs
    ransomwareevasion
  • Renames multiple (1162) files with added filename extension

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

    ransomware
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Disables RegEdit via registry modification 1 IoCs
    defense_evasion
  • Disables Task Manager via registry modification
    defense_evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    defense_evasiontrojan
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

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

    defense_evasion
  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 16 IoCs

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

    execution
  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

    ransomware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 47 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 4 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\SvinoLock.exe
    "C:\Users\Admin\AppData\Local\Temp\SvinoLock.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • UAC bypass
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4108
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} safeboot minimal
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5060
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} safeboot minimal
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1764
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} safeboot disabled
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} safeboot disabled
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3848
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} safeboot disabled
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} safeboot disabled
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1844
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootmenupolicy legacy
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1040
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootmenupolicy legacy
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4892
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} advancedoptions false
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3956
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} advancedoptions false
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2964
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} optionsedit false
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4540
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} optionsedit false
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3928
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reagentc /disable
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\system32\ReAgentc.exe
        reagentc /disable
        3⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        PID:2472
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /deletevalue {default} recoverysequence
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3424
      • C:\Windows\system32\bcdedit.exe
        bcdedit /deletevalue {default} recoverysequence
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2184
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /deletevalue {default} recoveryenabled
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3688
      • C:\Windows\system32\bcdedit.exe
        bcdedit /deletevalue {default} recoveryenabled
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2256
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /deletevalue {current} recoverysequence
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3584
      • C:\Windows\system32\bcdedit.exe
        bcdedit /deletevalue {current} recoverysequence
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2260
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /deletevalue {current} recoveryenabled
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4780
      • C:\Windows\system32\bcdedit.exe
        bcdedit /deletevalue {current} recoveryenabled
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1848
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled No
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1924
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3624
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled No
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4112
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled No
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2164
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:864
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3808
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2992
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" schtasks /delete /tn "MicrosoftUpdateTask_WindowsDefenderUpdate" /f
      2⤵
      • Indicator Removal: Clear Persistence
      PID:4156
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:4880
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3568
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3856
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2580

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        Windows Command Shell

        1
        T1059.003

        Windows Management Instrumentation

        1
        T1047

        Persistence

        Boot or Logon Autostart Execution

        2
        T1547

        Active Setup

        1
        T1547.014

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Privilege Escalation

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Boot or Logon Autostart Execution

        2
        T1547

        Active Setup

        1
        T1547.014

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Defense Evasion

        Abuse Elevation Control Mechanism

        1
        T1548

        Bypass User Account Control

        1
        T1548.002

        Direct Volume Access

        1
        T1006

        Impair Defenses

        2
        T1562

        Disable or Modify Tools

        2
        T1562.001

        Indicator Removal

        3
        T1070

        Clear Persistence

        1
        T1070.009

        File Deletion

        2
        T1070.004

        Modify Registry

        5
        T1112

        Credential Access

        Credentials from Password Stores

        1
        T1555

        Credentials from Web Browsers

        1
        T1555.003

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Browser Information Discovery

        1
        T1217

        Peripheral Device Discovery

        2
        T1120

        Query Registry

        4
        T1012

        System Information Discovery

        5
        T1082

        Lateral Movement

        Collection

        Data from Local System

        1
        T1005

        Command and Control

        Exfiltration

        Impact

        Inhibit System Recovery

        3
        T1490

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Account Web Data-journal.encrypted
        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Account Web Data-journal.encrypted
        • Size 16B
        • SHA256 98b4851b4732c59beccf163eab137bfef243d13ea4ed4e9da96c8ff004bfc87d
        • MD5 SHA1 SHA512
        Submit Download

        CURRENT.encrypted
        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\CURRENT.encrypted
        • Size 32B
        • SHA256 71edee31c2e9a851308cfe78dbaf54fda425b1940f5443643e6d2c7e87910e3e
        • MD5 SHA1 SHA512
        Submit Download

        MANIFEST-000001.encrypted
        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\MANIFEST-000001.encrypted
        • Size 48B
        • SHA256 5a0a465eca190a492581665f8eccaccce759634ab7df0cbbeb1f96acfc5344e5
        • MD5 SHA1 SHA512
        Submit Download

        index.encrypted
        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Storage\ext\nmmhkkegccagdldgiimedpiccmgmieda\def\Code Cache\js\index.encrypted
        • Size 32B
        • SHA256 26847f46e500e34493d76d21f83cbf752278206c55806b2acd0533c16e5594fe
        • MD5 SHA1 SHA512
        Submit Download

        data_0.encrypted
        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Storage\ext\nmmhkkegccagdldgiimedpiccmgmieda\def\DawnWebGPUCache\data_0.encrypted
        • Size 8KB
        • SHA256 56159518bda45e66905617dc9d31833292a297802d4107e8733dd385824666f5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        data_1.encrypted
        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Storage\ext\nmmhkkegccagdldgiimedpiccmgmieda\def\DawnWebGPUCache\data_1.encrypted
        • Size 264KB
        • SHA256 e193a842b0a7068eecd0607358d078f9828bc5695e207f88101f917a79eeb27a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        data_2.encrypted
        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Storage\ext\nmmhkkegccagdldgiimedpiccmgmieda\def\DawnWebGPUCache\data_2.encrypted
        • Size 8KB
        • SHA256 bdf933bacc2d54f332c6ac5028da29923ce065351a97338eb9936329b18c698d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        data_3.encrypted
        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Storage\ext\nmmhkkegccagdldgiimedpiccmgmieda\def\DawnWebGPUCache\data_3.encrypted
        • Size 8KB
        • SHA256 5408de16b4f5b07e12307ec97e4950ccfe81a936d65c58a7af784e1e6229f01d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        0.0.filtertrie.intermediate.txt
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{6b732175-7da1-4c81-804d-9650f43e12ca}\0.0.filtertrie.intermediate.txt
        • Size 29KB
        • SHA256 c54bd5c423aba3824d122bf533518824cc4866a584d6cdbb3361a30d05a5cb19
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        0.1.filtertrie.intermediate.txt
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{6b732175-7da1-4c81-804d-9650f43e12ca}\0.1.filtertrie.intermediate.txt
        • Size 5B
        • SHA256 8e1e6a3d56796a245d0c7b0849548932fee803bbdb03f6e289495830e017f14c
        • MD5 SHA1 SHA512
        Submit Download

        0.2.filtertrie.intermediate.txt
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{6b732175-7da1-4c81-804d-9650f43e12ca}\0.2.filtertrie.intermediate.txt
        • Size 5B
        • SHA256 d65b6a3bf11a27a1ced1f7e98082246e40cf01289fd47fe4a5ed46c221f2f73f
        • MD5 SHA1 SHA512
        Submit Download

        Apps.ft
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{6b732175-7da1-4c81-804d-9650f43e12ca}\Apps.ft
        • Size 39KB
        • SHA256 c229e61e88d631f1918d3e7116e3305eb40c31a8294341de27412c36a96403e7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Apps.index
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{6b732175-7da1-4c81-804d-9650f43e12ca}\Apps.index
        • Size 1.0MB
        • SHA256 38e7be51edf99f513b3924f06d165c203e38c57f4dd9987a5caffdffe469da8a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AppCache134307782323412309.txt
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134307782323412309.txt
        • Size 79KB
        • SHA256 4823bad366da2d59f60088c6431f4318920bb2cd7356e1d8c76801167fe3d825
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        2823318777ntouromlalnodry--naod.sqlite-shm.encrypted
        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\storage\permanent\chrome\idb\2823318777ntouromlalnodry--naod.sqlite-shm.encrypted
        • Size 32KB
        • SHA256 a465a9c02950418d62d697a519823fb33d18426624271443cfae0448810e12b9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        3561288849sdhlie.sqlite.encrypted
        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\storage\permanent\chrome\idb\3561288849sdhlie.sqlite.encrypted
        • Size 48KB
        • SHA256 2f4404d49015db26b207944c8d313b065f76c02fcc3706985233901a22001c01
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3856-241-0x0000022938B50000-0x0000022938B70000-memory.dmp
        Download

        memory/3856-256-0x0000022939160000-0x0000022939180000-memory.dmp
        Download

        memory/3856-219-0x0000022938B90000-0x0000022938BB0000-memory.dmp
        Download

        memory/3856-214-0x0000022938170000-0x0000022938270000-memory.dmp
        Download

        memory/3856-213-0x0000022938170000-0x0000022938270000-memory.dmp
        Download

        memory/4108-0-0x00000162CA330000-0x00000162CA8EC000-memory.dmp
        Download

        memory/4108-16-0x00000162E5A80000-0x00000162E5A90000-memory.dmp
        Download

        memory/4108-11-0x00000162E5A80000-0x00000162E5A90000-memory.dmp
        Download

        memory/4108-10-0x00000162E5A80000-0x00000162E5A90000-memory.dmp
        Download

        memory/4108-3-0x00000162E5A80000-0x00000162E5A90000-memory.dmp
        Download

        memory/4108-2-0x00000162E5A80000-0x00000162E5A90000-memory.dmp
        Download

        memory/4108-1-0x00000162E5A80000-0x00000162E5A90000-memory.dmp
        Download

        memory/4880-254-0x0000000005170000-0x0000000005171000-memory.dmp
        Download