Overview

overview

8

Static

static

3

Packed.Win...bv.exe

windows10-2004-x64

7

Packed.Win...bv.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    123s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/07/2026, 02:01

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General

  • Target
    Packed.Win32.PePatch.bv.exe
  • Size 375KB
  • Sample260704-cfsd6aev7n
  • SHA256 80400f573ea9f783c8e7172960687c6cf67b5647b3ed48236253a50e8579ac3f
  • 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
  • Executes dropped EXE 2 IoCs
  • 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 Windows directory 3 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\Packed.Win32.PePatch.bv.exe
    "C:\Users\Admin\AppData\Local\Temp\Packed.Win32.PePatch.bv.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:456
    • C:\Users\Admin\AppData\Local\Temp\HS.exe
      "C:\Users\Admin\AppData\Local\Temp\HS.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 560
        3⤵
        • Program crash
        PID:792
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.bat
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5444
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2392 -ip 2392
    1⤵
      PID:1856
    • C:\Windows\svchost.exe
      C:\Windows\svchost.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1000
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 568
        2⤵
        • Program crash
        PID:1248
      • C:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.EXE
        "C:\pROGRAM fILES\iNTERNET eXPLORER\iexplore.EXE"
        2⤵
          PID:2740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1000 -ip 1000
        1⤵
          PID:5840
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1204
          • 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
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:1108
        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:2528
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:4988

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              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 591B
              • SHA256 dc216c11d6381abdcb6a4b927fd9ea68d336ff63c88639e4a242acf037f90c68
              • MD5 SHA1 SHA512 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 599B
              • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              HS.exe
              • Path C:\Users\Admin\AppData\Local\Temp\HS.exe
              • Size 324KB
              • SHA256 86e4f7999f42c36e30a5cb6b14c85e87546e552d02072630594a18d2225eb863
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              uninstal.bat
              • Path C:\Windows\uninstal.bat
              • Size 130B
              • SHA256 d2bbe10e68ad4624b8d4053b578fd9c53f3b787a2ff566971450fbb653610fe8
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              memory/456-1-0x00000000005C0000-0x00000000005CE000-memory.dmp
              Download

              memory/456-8-0x00000000005C0000-0x00000000005CE000-memory.dmp
              Download

              memory/456-0-0x00000000005C0000-0x00000000005CE000-memory.dmp
              Download

              memory/456-19-0x0000000000400000-0x0000000000466000-memory.dmp
              Download

              memory/1000-21-0x0000000000400000-0x00000000004DC000-memory.dmp
              Download

              memory/1000-22-0x0000000000E10000-0x0000000000E11000-memory.dmp
              Download

              memory/1000-23-0x0000000000400000-0x00000000004DC000-memory.dmp
              Download

              memory/1000-14-0x0000000000E10000-0x0000000000E11000-memory.dmp
              Download

              memory/1000-174-0x0000000000400000-0x00000000004DC000-memory.dmp
              Download

              memory/2392-18-0x0000000000400000-0x00000000004DC000-memory.dmp
              Download

              memory/2392-12-0x0000000002520000-0x0000000002521000-memory.dmp
              Download

              memory/2528-93-0x0000020A94120000-0x0000020A94140000-memory.dmp
              Download

              memory/2528-47-0x0000020A801E0000-0x0000020A802E0000-memory.dmp
              Download

              memory/2528-76-0x0000020A81C70000-0x0000020A81C90000-memory.dmp
              Download

              memory/2528-60-0x0000020A81D90000-0x0000020A81E90000-memory.dmp
              Download

              memory/2528-59-0x0000020A81930000-0x0000020A81950000-memory.dmp
              Download

              memory/4988-212-0x0000016AC1000000-0x0000016AC1434000-memory.dmp
              Download