Overview

overview

8

Static

static

3

4191b57d06...83.exe

windows10-2004-x64

8

4191b57d06...83.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    141s
  • 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, 06:53

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General

  • Target
    4191b57d06097249d0ec368743686b94c6ad5fe7b8a057bf46405658a2b52f83.exe
  • Size 1.5MB
  • Sample260707-hnreqagy9l
  • SHA256 4191b57d06097249d0ec368743686b94c6ad5fe7b8a057bf46405658a2b52f83
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistencespywareupx

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
  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

    persistence
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • UPX packed file 7 IoCs

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

    upx
  • Drops file in Program Files directory 1 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 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4191b57d06097249d0ec368743686b94c6ad5fe7b8a057bf46405658a2b52f83.exe
    "C:\Users\Admin\AppData\Local\Temp\4191b57d06097249d0ec368743686b94c6ad5fe7b8a057bf46405658a2b52f83.exe"
    1⤵
    • Sets service image path in registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2380
    • \??\c:\1e2.exe
      c:\1e2.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3152
      • \??\c:\1.exe
        c:\1.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:4904
  • C:\1.exe
    C:\1.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:4608
  • C:\oFRabx.sys
    C:\oFRabx.sys
    1⤵
    • Executes dropped EXE
    PID:2140
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4948
    • 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:2404
  • 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:1128
  • 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:4620

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        1e2.exe
        • Path C:\1e2.exe
        • Size 391KB
        • SHA256 7691c9610254db68d067569fa134aecefa880da079a5bc6f837d24b887c7f555
        • 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 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        oFRabx.sys
        • Path C:\oFRabx.sys
        • Size 29KB
        • SHA256 3de6263851d90f60487ccea8c71fc967139d4e915c9f9c5e4158d56e0e824cba
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1128-85-0x0000024714250000-0x0000024714270000-memory.dmp
        Download

        memory/1128-48-0x0000024703A30000-0x0000024703A50000-memory.dmp
        Download

        memory/1128-51-0x0000024713E50000-0x0000024713F50000-memory.dmp
        Download

        memory/1128-56-0x0000024703B90000-0x0000024703BB0000-memory.dmp
        Download

        memory/1128-35-0x00000247001E0000-0x00000247002E0000-memory.dmp
        Download

        memory/2404-194-0x000000000EF50000-0x000000000EFD0000-memory.dmp
        Download

        memory/2404-196-0x000000000EF50000-0x000000000EFD0000-memory.dmp
        Download

        memory/3152-6-0x0000000000533000-0x0000000000534000-memory.dmp
        Download

        memory/3152-5-0x0000000000400000-0x0000000000534000-memory.dmp
        Download

        memory/3152-14-0x0000000000400000-0x0000000000534000-memory.dmp
        Download

        memory/4608-16-0x0000000000400000-0x0000000000534000-memory.dmp
        Download

        memory/4904-19-0x0000000000400000-0x0000000000534000-memory.dmp
        Download

        memory/4904-9-0x0000000000400000-0x0000000000534000-memory.dmp
        Download

        memory/4904-193-0x0000000000400000-0x0000000000534000-memory.dmp
        Download