Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 05:49

General

  • Target
    Huorongt_12.8.1_x64.exe
  • Size 16.2MB
  • Sample260802-gh63jsdp31
  • SHA256 ebe31ad40a9ce206268d9f355e42ca4979847bfd861b3d157c06ed1bd842219c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • 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 Program Files directory 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • 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\Huorongt_12.8.1_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\Huorongt_12.8.1_x64.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C tasklist | findstr /I /C:"360tray.exe" /C:"HipsTray.exe"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Discovers running processes
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4072
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I /C:"360tray.exe" /C:"HipsTray.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5092
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C start "" /B cmd.exe /C "powershell Add-MpPreference -ExclusionPath C:\,D:\,F:\"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C "powershell Add-MpPreference -ExclusionPath C:\,D:\,F:\"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1440
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Add-MpPreference -ExclusionPath C:\,D:\,F:\
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2668
    • C:\Users\Admin\AppData\Roaming\comain_ev2f79\ev2f79.exe
      "C:\Users\Admin\AppData\Roaming\comain_ev2f79\ev2f79.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:732
    • C:\Users\Admin\AppData\Roaming\comain_ev2c34\ev2c34.exe
      "C:\Users\Admin\AppData\Roaming\comain_ev2c34\ev2c34.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:5656
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4180
  • C:\Windows\System32\UserAccountBroker.exe
    C:\Windows\System32\UserAccountBroker.exe
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    PID:3192
  • C:\Windows\System32\edpnotify.exe
    C:\Windows\System32\edpnotify.exe
    1⤵
      PID:1096

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nseE5D4.tmp\System.dll
          • Size 11KB
          • SHA256 4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nsExec.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nseE5D4.tmp\nsExec.dll
          • Size 6KB
          • SHA256 482536968672d70279a5204060ff84ace25237f24b1bdf3b02e289d50ea5450c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ap.asin

          • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\ap.asin
          • Size 260B
          • SHA256 3688b11dc424168d3ba9303845da601488a0684469dd51eb234665dd4c452016
          • MD5 SHA1 SHA512 TLSH

          bnymir.ou

          • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\bnymir.ou
          • Size 532KB
          • SHA256 80ea61aa50e8fc47f3db2b37eca7350b21a3aa8f957c7cf9490bb7c3757379e1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          bteuns.pt

          • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\bteuns.pt
          • Size 524KB
          • SHA256 0405f8ad33e058b36a6292f004cdd4c791cf1a4081b144de589bbc0d9935423a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cmrsk.ce

          • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\cmrsk.ce
          • Size 192KB
          • SHA256 2f592516e42bdf4b48eb92eced833db8c43681d00874257ee6e53395104d0142
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ev2c34.exe.nhpart_d89d72dcab8b

          • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\ev2c34.exe.nhpart_d89d72dcab8b
          • Size 1.6MB
          • SHA256 527bd782a598e552901fdf045b0332f0be20670c4b818be5ceda7bcf8663e3a3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          fhkan.oi

          • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\fhkan.oi
          • Size 183KB
          • SHA256 d50b4753fd94a5d80e3931356fb483ceee749e7421e61dd5aa698805a2d6ff3b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxyvnb.ti

          • Path C:\Users\Admin\AppData\Roaming\comain_ev2f79\dxyvnb.ti
          • Size 45KB
          • SHA256 700f323400cebc41c77236144b8ed387acb93bfbef64a40af4faf12df8ce2cff
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ev2f79.exe

          • Path C:\Users\Admin\AppData\Roaming\comain_ev2f79\ev2f79.exe
          • Size 1.6MB
          • SHA256 8682dff58db7e793e668531766bb8d030edda6e1a95f12c5fef3670d67e1c91b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          otrm.oi

          • Path C:\Users\Admin\AppData\Roaming\comain_ev2f79\otrm.oi
          • Size 187KB
          • SHA256 cad3a6119836f449186774952891d78502213c894904eb3b2892fd3d0545a191
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_ii2xvzit.bne.ps1

          • Path C:\Windows\SystemTemp\__PSScriptPolicyTest_ii2xvzit.bne.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/732-76-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/732-72-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/732-71-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/732-73-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/732-70-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/732-64-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/2668-24-0x0000000007B30000-0x0000000007BD3000-memory.dmp

          memory/2668-13-0x00000000063A0000-0x0000000006406000-memory.dmp

          memory/2668-28-0x0000000007EE0000-0x0000000007F76000-memory.dmp

          memory/2668-27-0x0000000007CE0000-0x0000000007CEA000-memory.dmp

          memory/2668-26-0x0000000007C70000-0x0000000007C8A000-memory.dmp

          memory/2668-25-0x00000000082B0000-0x000000000892C000-memory.dmp

          memory/2668-23-0x0000000006F40000-0x0000000006F60000-memory.dmp

          memory/2668-20-0x0000000070C00000-0x0000000070C4C000-memory.dmp

          memory/2668-19-0x0000000006EE0000-0x0000000006F16000-memory.dmp

          memory/2668-18-0x0000000006930000-0x000000000697C000-memory.dmp

          memory/2668-17-0x0000000006900000-0x000000000691E000-memory.dmp

          memory/2668-16-0x0000000006410000-0x000000000676B000-memory.dmp

          memory/2668-7-0x0000000074272000-0x0000000074273000-memory.dmp

          memory/2668-12-0x0000000006330000-0x0000000006396000-memory.dmp

          memory/2668-8-0x0000000005420000-0x0000000005456000-memory.dmp

          memory/2668-9-0x0000000074260000-0x0000000074A1C000-memory.dmp

          memory/2668-10-0x0000000005AB0000-0x00000000060FA000-memory.dmp

          memory/2668-11-0x0000000005A20000-0x0000000005A42000-memory.dmp

          memory/2668-30-0x0000000074260000-0x0000000074A1C000-memory.dmp

          memory/3192-268-0x000001A44BE40000-0x000001A44BF10000-memory.dmp

          memory/3192-269-0x000001A44BE40000-0x000001A44BF10000-memory.dmp

          memory/3192-266-0x000001A44BE40000-0x000001A44BF10000-memory.dmp

          memory/3192-270-0x000001A44BE40000-0x000001A44BF10000-memory.dmp

          memory/3192-271-0x000001A44BE40000-0x000001A44BF10000-memory.dmp

          memory/3192-267-0x000001A44BE40000-0x000001A44BF10000-memory.dmp

          memory/3192-249-0x0000000180000000-0x000000018008A000-memory.dmp

          memory/3192-265-0x000001A44BE40000-0x000001A44BF10000-memory.dmp

          memory/4180-84-0x000002EBA6C50000-0x000002EBA6D02000-memory.dmp

          memory/4180-80-0x000002EBA6880000-0x000002EBA68A2000-memory.dmp

          memory/4180-86-0x000002EBA6D40000-0x000002EBA6D5E000-memory.dmp

          memory/4180-77-0x000002EB8DF60000-0x000002EB8DF6C000-memory.dmp

          memory/4180-85-0x000002EBA6D10000-0x000002EBA6D1A000-memory.dmp

          memory/4180-83-0x000002EBA6C30000-0x000002EBA6C4E000-memory.dmp

          memory/5656-121-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/5656-264-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/5656-130-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/5656-127-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/5656-128-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/5656-129-0x0000000010000000-0x0000000010032000-memory.dmp