Overview

overview

10

Static

static

7

Pumpkhn_Un...1).exe

windows10-2004-x64

9

Pumpkhn_Un...1).exe

windows11-ltsc_2024-x64

9

Pumpkhn_Un...ep.exe

windows10-2004-x64

10

Pumpkhn_Un...ep.exe

windows11-ltsc_2024-x64

10

Pumpkhn_Un...IN.exe

windows10-2004-x64

3

Pumpkhn_Un...IN.exe

windows11-ltsc_2024-x64

3

Pumpkhn_Un...64.exe

windows10-2004-x64

1

Pumpkhn_Un...64.exe

windows11-ltsc_2024-x64

1

Pumpkhn_Un...16.exe

windows10-2004-x64

Pumpkhn_Un...16.exe

windows11-ltsc_2024-x64

Pumpkhn_Un...IT.exe

windows10-2004-x64

1

Pumpkhn_Un...IT.exe

windows11-ltsc_2024-x64

1

Pumpkhn_Un...LL.dll

windows10-2004-x64

3

Pumpkhn_Un...LL.dll

windows11-ltsc_2024-x64

3

Pumpkhn_Un...YS.sys

windows10-2004-x64

3

Pumpkhn_Un...YS.sys

windows11-ltsc_2024-x64

3

Pumpkhn_Un...64.sys

windows10-2004-x64

3

Pumpkhn_Un...64.sys

windows11-ltsc_2024-x64

3

Pumpkhn_Un...64.sys

windows10-2004-x64

3

Pumpkhn_Un...64.sys

windows11-ltsc_2024-x64

3

Pumpkhn_Un...H1.exe

windows10-2004-x64

3

Pumpkhn_Un...H1.exe

windows11-ltsc_2024-x64

8

Pumpkhn_Un...er.exe

windows10-2004-x64

6

Pumpkhn_Un...er.exe

windows11-ltsc_2024-x64

6

Pumpkhn_Un...AC.exe

windows10-2004-x64

7

Pumpkhn_Un...AC.exe

windows11-ltsc_2024-x64

8

Pumpkhn_Un...er.bat

windows10-2004-x64

4

Pumpkhn_Un...er.bat

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    899s
  • max time network
    548s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 12:59

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General

  • Target
    Pumpkhn_UnhwidBan/Unhwidban/hwid/FIles/TMAC.exe
  • Size 5.1MB
  • Sample261102-p77pdatwht
  • SHA256 a453b3ea8d8133531fad26b18701c694c324cc201e3069d07e99f0e100908c1a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Loads dropped DLL 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 13 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 49 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 5 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\Pumpkhn_UnhwidBan\Unhwidban\hwid\FIles\TMAC.exe
    "C:\Users\Admin\AppData\Local\Temp\Pumpkhn_UnhwidBan\Unhwidban\hwid\FIles\TMAC.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Windows\system32\MSCOMCTL.OCX"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:1864
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Windows\system32\COMDLG32.OCX"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3160
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Windows\system32\MSCHRT20.OCX"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4180
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Windows\system32\TABCTL32.OCX"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:5792
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5824
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4564
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:2344
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4944
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4384
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3448

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            Installer.exe
            • Path C:\Program Files (x86)\Technitium\TMACv6.0\Installer.exe
            • Size 184KB
            • SHA256 72367e11dbf5e3ad9fa1cc4b2fbd3d8e3e5a26d5683cfc7b06b7d1ac33aa4011
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            TMAC.exe
            • Path C:\Program Files (x86)\Technitium\TMACv6.0\TMAC.exe
            • Size 712KB
            • SHA256 6c3d76c9a4d1652ce25ae8c2ba1907167cfaa0054b8e1325f370c52eafa74c97
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 595B
            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            TMAC v6.lnk
            • Path C:\Users\Public\Desktop\TMAC v6.lnk
            • Size 1KB
            • SHA256 615a7ba58fecd6cd274cccd5a5739fe058eda990edf1089d1f761813f291e806
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            COMDLG32.OCX
            • Path C:\Windows\SysWOW64\COMDLG32.OCX
            • Size 137KB
            • SHA256 64c6ee999562961d11af130254ad3ffd24bb725d3c18e7877f9fd362f4936195
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MSCHRT20.OCX
            • Path C:\Windows\SysWOW64\MSCHRT20.OCX
            • Size 987KB
            • SHA256 de49eb9f935416cc57a1b590cca686e4a14e7b3cbbde10b8ff7fb88642a215ce
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MSCOMCTL.OCX
            • Path C:\Windows\SysWOW64\MSCOMCTL.OCX
            • Size 1.0MB
            • SHA256 793fca37e1848495affb9bfbad543609d19e6549181e735ceb6f97b8e58faa26
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            TABCTL32.OCX
            • Path C:\Windows\SysWOW64\TABCTL32.OCX
            • Size 218KB
            • SHA256 d10a197fd53e65dc910ca4aed86cb674c613ff14ce6436d1a445bb27a7a499e0
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/4180-17-0x0000000028540000-0x0000000028541000-memory.dmp
            Download

            memory/4944-84-0x00000184001E0000-0x00000184002E0000-memory.dmp
            Download

            memory/4944-107-0x0000018404340000-0x0000018404360000-memory.dmp
            Download

            memory/4944-130-0x00000184047E0000-0x0000018404800000-memory.dmp
            Download

            memory/4944-97-0x00000184043E0000-0x00000184044E0000-memory.dmp
            Download

            memory/4944-95-0x0000018403F90000-0x0000018403FB0000-memory.dmp
            Download