Overview

overview

10

Static

static

10

123.exe

windows10-2004-x64

10

123.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 18:25

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General

  • Target
    123.exe
  • Size 584KB
  • Sample260707-w2n4eacs6s
  • SHA256 f65a25e37c7abc88d641e13004c4e5523502b4568cfcf6713f4f50e34f23e770
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverydownloadergh0stratredosdruloaderpersistenceransomwareratspywareupx

Malware Config

Extracted

Family

  • redosdru

C2

  • http://www.tgzh.club/NetSyst96.dll

Signatures

  • Family: Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    ratgh0strat
  • Family: Redosdru

    Redosdru is a loader/downloader written in C++.

    loaderdownloaderredosdru
  • Gh0st RAT payload 9 IoCs
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\123.exe
    "C:\Users\Admin\AppData\Local\Temp\123.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6064
    • C:\Program Files (x86)\Microsoft Owhrfh\Tlwguwa.exe
      "C:\Program Files (x86)\Microsoft Owhrfh\Tlwguwa.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4004
  • C:\Program Files (x86)\Microsoft Owhrfh\Tlwguwa.exe
    "C:\Program Files (x86)\Microsoft Owhrfh\Tlwguwa.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2680
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2224
    • 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:1220
  • 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:6036
  • 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:3408

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Tlwguwa.exe
        • Path C:\Program Files (x86)\Microsoft Owhrfh\Tlwguwa.exe
        • Size 584KB
        • SHA256 f65a25e37c7abc88d641e13004c4e5523502b4568cfcf6713f4f50e34f23e770
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        NetSyst96.dll
        • Path C:\Program Files\AppPatch\NetSyst96.dll
        • Size 239KB
        • SHA256 7baee22c9834bef64f0c1b7f5988d9717855942d87c82f019606d07589bc51a9
        • 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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • 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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/2680-27-0x000000001030F000-0x0000000010349000-memory.dmp
        Download

        memory/2680-23-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/2680-30-0x0000000010001000-0x000000001030F000-memory.dmp
        Download

        memory/2680-25-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/2680-26-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/2680-28-0x0000000010001000-0x000000001030F000-memory.dmp
        Download

        memory/4004-29-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/4004-17-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/4004-209-0x00000000756E0000-0x000000007571B000-memory.dmp
        Download

        memory/4004-19-0x00000000756E0000-0x000000007571B000-memory.dmp
        Download

        memory/4004-18-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/4004-20-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/6036-34-0x00000290801E0000-0x00000290802E0000-memory.dmp
        Download

        memory/6036-52-0x0000029083A10000-0x0000029083A30000-memory.dmp
        Download

        memory/6036-65-0x0000029083DB0000-0x0000029083DD0000-memory.dmp
        Download

        memory/6036-54-0x0000029093E30000-0x0000029093F30000-memory.dmp
        Download

        memory/6036-94-0x0000029094310000-0x0000029094330000-memory.dmp
        Download

        memory/6036-33-0x00000290801E0000-0x00000290802E0000-memory.dmp
        Download

        memory/6036-32-0x00000290801E0000-0x00000290802E0000-memory.dmp
        Download

        memory/6064-9-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/6064-7-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/6064-8-0x0000000010000000-0x000000001034B000-memory.dmp
        Download

        memory/6064-4-0x0000000010000000-0x000000001034B000-memory.dmp
        Download