Overview

overview

8

Static

static

3

3e4d36d533...b2.exe

windows10-2004-x64

7

3e4d36d533...b2.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 06:20

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General

  • Target
    3e4d36d5333d1fc17d858db8cab5d02ee71910b8862a3e5ea0d2074f6d0088b2.exe
  • Size 3.3MB
  • Sample260706-g3tyqaex9p
  • SHA256 3e4d36d5333d1fc17d858db8cab5d02ee71910b8862a3e5ea0d2074f6d0088b2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasiondiscoverypersistenceransomwarespywaretrojan

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 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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 System32 directory 17 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 data under HKEY_USERS 9 IoCs
  • Modifies registry class 38 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    defense_evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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\3e4d36d5333d1fc17d858db8cab5d02ee71910b8862a3e5ea0d2074f6d0088b2.exe
    "C:\Users\Admin\AppData\Local\Temp\3e4d36d5333d1fc17d858db8cab5d02ee71910b8862a3e5ea0d2074f6d0088b2.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5864
  • C:\Windows\Syswow64\d8778568
    C:\Windows\Syswow64\d8778568
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5860
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4084
    • 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:4484
  • 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:5392
  • 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:5816
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:960

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

          d8778568
          • Path C:\Windows\SysWOW64\d8778568
          • Size 3.3MB
          • SHA256 ccf7e264e9f05ca2ebdba6c286aa0fe9da99dc4340004e02adfd2134a4afa75b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/5392-25-0x000001B101940000-0x000001B101960000-memory.dmp
          Download

          memory/5392-59-0x000001B114100000-0x000001B114120000-memory.dmp
          Download

          memory/5392-37-0x000001B101B80000-0x000001B101BA0000-memory.dmp
          Download

          memory/5392-13-0x000001B1001E0000-0x000001B1002E0000-memory.dmp
          Download

          memory/5392-27-0x000001B101D80000-0x000001B101E80000-memory.dmp
          Download

          memory/5392-200-0x000001B116B40000-0x000001B116D23000-memory.dmp
          Download

          memory/5860-4-0x0000000000340000-0x00000000003A3000-memory.dmp
          Download

          memory/5864-0-0x0000000000950000-0x00000000009B3000-memory.dmp
          Download