Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 05:43

General

  • Target
    Huorongt_12.8.1_x64.exe
  • Size 16.2MB
  • Sample260802-ge3wqatwez
  • 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:1328
    • 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:2900
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Discovers running processes
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4608
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I /C:"360tray.exe" /C:"HipsTray.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4548
    • 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:2888
      • 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:3444
        • 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:1836
    • 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:1572
    • 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:2660
  • 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:5328
  • C:\Windows\System32\UserAccountBroker.exe
    C:\Windows\System32\UserAccountBroker.exe
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    PID:3908
  • C:\Windows\System32\edpnotify.exe
    C:\Windows\System32\edpnotify.exe
    1⤵
      PID:1100

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nst3F05.tmp\System.dll
          • Size 11KB
          • SHA256 4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nsExec.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nst3F05.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_qiny3vxb.mlq.ps1

          • Path C:\Windows\SystemTemp\__PSScriptPolicyTest_qiny3vxb.mlq.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/1572-77-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/1572-74-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/1572-73-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/1572-65-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/1572-72-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/1572-71-0x0000000010000000-0x0000000010033000-memory.dmp

          memory/1836-24-0x0000000006AB0000-0x0000000006AD0000-memory.dmp

          memory/1836-9-0x0000000005660000-0x0000000005CAA000-memory.dmp

          memory/1836-31-0x0000000073800000-0x0000000073FBC000-memory.dmp

          memory/1836-28-0x0000000007890000-0x000000000789A000-memory.dmp

          memory/1836-27-0x0000000007820000-0x000000000783A000-memory.dmp

          memory/1836-26-0x0000000007E60000-0x00000000084DC000-memory.dmp

          memory/1836-25-0x00000000076F0000-0x0000000007793000-memory.dmp

          memory/1836-21-0x00000000701A0000-0x00000000701EC000-memory.dmp

          memory/1836-20-0x00000000076B0000-0x00000000076E6000-memory.dmp

          memory/1836-19-0x0000000006500000-0x000000000654C000-memory.dmp

          memory/1836-18-0x00000000064B0000-0x00000000064CE000-memory.dmp

          memory/1836-17-0x0000000006040000-0x000000000639B000-memory.dmp

          memory/1836-13-0x0000000005EC0000-0x0000000005F26000-memory.dmp

          memory/1836-7-0x0000000073812000-0x0000000073813000-memory.dmp

          memory/1836-14-0x0000000005F30000-0x0000000005F96000-memory.dmp

          memory/1836-8-0x0000000004FD0000-0x0000000005006000-memory.dmp

          memory/1836-29-0x0000000007A90000-0x0000000007B26000-memory.dmp

          memory/1836-10-0x0000000073800000-0x0000000073FBC000-memory.dmp

          memory/1836-11-0x0000000073800000-0x0000000073FBC000-memory.dmp

          memory/1836-12-0x0000000005D20000-0x0000000005D42000-memory.dmp

          memory/2660-128-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/2660-265-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/2660-122-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/2660-131-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/2660-130-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/2660-129-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/3908-250-0x0000000180000000-0x000000018008A000-memory.dmp

          memory/3908-267-0x000001E790590000-0x000001E790660000-memory.dmp

          memory/3908-268-0x000001E790590000-0x000001E790660000-memory.dmp

          memory/3908-266-0x000001E790590000-0x000001E790660000-memory.dmp

          memory/3908-270-0x000001E790590000-0x000001E790660000-memory.dmp

          memory/3908-269-0x000001E790590000-0x000001E790660000-memory.dmp

          memory/3908-271-0x000001E790590000-0x000001E790660000-memory.dmp

          memory/3908-272-0x000001E790590000-0x000001E790660000-memory.dmp

          memory/5328-86-0x0000010BE0470000-0x0000010BE047A000-memory.dmp

          memory/5328-78-0x0000010BC7970000-0x0000010BC797C000-memory.dmp

          memory/5328-85-0x0000010BE07C0000-0x0000010BE0872000-memory.dmp

          memory/5328-87-0x0000010BE0880000-0x0000010BE089E000-memory.dmp

          memory/5328-81-0x0000010BC7B60000-0x0000010BC7B82000-memory.dmp

          memory/5328-84-0x0000010BE07A0000-0x0000010BE07BE000-memory.dmp