Overview

overview

8

Static

static

3

38acd846_.exe

windows10-2004-x64

8

38acd846_.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/06/2026, 04:24

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General

  • Target
    38acd846_.exe
  • Size 6.9MB
  • Sample260624-e1pj4sh18w
  • SHA256 d62b357266bcfa2d33b7d1956f48495223f3626283689b049921cea312df2ffe
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasionpersistenceransomwarespyware

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
  • Loads dropped DLL 4 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
    defense_evasion
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\38acd846_.exe
    "C:\Users\Admin\AppData\Local\Temp\38acd846_.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5772
    • C:\Users\Admin\AppData\Local\Temp\38acd846_.exe
      "C:\Users\Admin\AppData\Local\Temp\38acd846_.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SYSTEM32\taskkill.exe
        taskkill /f /im explorer.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:5564
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "start explorer.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5216
        • C:\Windows\explorer.exe
          explorer.exe
          4⤵
          • 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:2168
  • 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:5700
  • 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:5132

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

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI57722\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI57722\_bz2.pyd
        • Size 84KB
        • SHA256 1bf985b54f529a3cbb3e52532791cc4d4c64009142d37b54eb3521adec203d5c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI57722\_lzma.pyd
        • Size 155KB
        • SHA256 51815b6474d4216c6a2aeaffdae5d2ff4acb7a0236254f2cfe43247022f3d781
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI57722\base_library.zip
        • Size 1.3MB
        • SHA256 ecc5b72e95f235c608ee2f19e7c92654f338b1de0066236357e50afa1219cbd1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI57722\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 eaf6d613b95b61a39558d84c50e72630a66c99914292df88e7b54ebd60c5bd34
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python313.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI57722\python313.dll
        • Size 5.8MB
        • SHA256 6964e590037c41d631fd1215f05af154f7fa68105993c6f573a20689b473f1ac
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/5132-87-0x0000014814110000-0x0000014814130000-memory.dmp
        Download

        memory/5132-41-0x00000148001E0000-0x00000148002E0000-memory.dmp
        Download

        memory/5132-65-0x0000014803B90000-0x0000014803BB0000-memory.dmp
        Download

        memory/5132-54-0x0000014813D90000-0x0000014813E90000-memory.dmp
        Download

        memory/5132-53-0x0000014803930000-0x0000014803950000-memory.dmp
        Download

        memory/5132-43-0x00000148001E0000-0x00000148002E0000-memory.dmp
        Download

        memory/5132-42-0x00000148001E0000-0x00000148002E0000-memory.dmp
        Download