Overview

overview

10

Static

static

10

x4c944d1ae...45.exe

windows10-2004-x64

7

x4c944d1ae...45.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/07/2026, 02:44

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    x4c944d1aed2c9678a4e29d363ba212d04b5bb086de8a67c665da91457b35fe45.exe
  • Size 16.7MB
  • Sample260704-c8bbcaav5x
  • SHA256 4c944d1aed2c9678a4e29d363ba212d04b5bb086de8a67c665da91457b35fe45
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespywareupx

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 6 IoCs
  • 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 17 IoCs

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

    upx
  • 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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 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\x4c944d1aed2c9678a4e29d363ba212d04b5bb086de8a67c665da91457b35fe45.exe
    "C:\Users\Admin\AppData\Local\Temp\x4c944d1aed2c9678a4e29d363ba212d04b5bb086de8a67c665da91457b35fe45.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3832
    • C:\Users\Admin\AppData\Local\Temp\x4c944d1aed2c9678a4e29d363ba212d04b5bb086de8a67c665da91457b35fe45.exe
      "C:\Users\Admin\AppData\Local\Temp\x4c944d1aed2c9678a4e29d363ba212d04b5bb086de8a67c665da91457b35fe45.exe"
      2⤵
      • Loads dropped DLL
      PID:3396
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1352
    • 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:5884
  • 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:4800
  • 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:5416

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        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 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI38322\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI38322\_ctypes.pyd
        • Size 67KB
        • SHA256 f17882828b53fb09d5cf848af1e3ba15c256add33b35f99ae7ebcc6e67869e99
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI38322\_hashlib.pyd
        • Size 38KB
        • SHA256 3987f2a6d4a75e255819f69e4d249b7647cf34a46bb2bf798e60eb396bda2683
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI38322\base_library.zip
        • Size 1.3MB
        • SHA256 6b4379cfa9a5d430c3f059c237cee78f6788e4fa31f0d5d909e5fe72d0c786ba
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI38322\libcrypto-3.dll
        • Size 1.6MB
        • SHA256 d4661cf8f76783c4d418dc329748be2bbf6fb74bfa54f811c14a55310304a962
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI38322\libffi-8.dll
        • Size 29KB
        • SHA256 e9d8eb01bb9b02ce3859ba4527938a71b4668f98897d46f29e94b27014036523
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI38322\python314.dll
        • Size 1.9MB
        • SHA256 f8bf604cf5599122009c3b7223f8895793ebf6bbe9848388019e7101ae386bc1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3396-66-0x00007FFAB43C0000-0x00007FFAB4AC9000-memory.dmp
        Download

        memory/3396-69-0x00007FFACBEC0000-0x00007FFACBEE9000-memory.dmp
        Download

        memory/3396-64-0x00007FFAB3E80000-0x00007FFAB43B3000-memory.dmp
        Download

        memory/3396-65-0x00007FFACCE20000-0x00007FFACCE34000-memory.dmp
        Download

        memory/3396-57-0x00007FFACBEC0000-0x00007FFACBEE9000-memory.dmp
        Download

        memory/3396-67-0x00007FFACBEC0000-0x00007FFACBEE9000-memory.dmp
        Download

        memory/3396-71-0x00007FFACCE20000-0x00007FFACCE34000-memory.dmp
        Download

        memory/3396-73-0x00007FFAB43C0000-0x00007FFAB4AC9000-memory.dmp
        Download

        memory/3396-70-0x00007FFACF190000-0x00007FFACF19F000-memory.dmp
        Download

        memory/3396-63-0x00007FFACF190000-0x00007FFACF19F000-memory.dmp
        Download

        memory/3396-74-0x00007FFAB3E80000-0x00007FFAB43B3000-memory.dmp
        Download

        memory/3396-52-0x00007FFAB43C0000-0x00007FFAB4AC9000-memory.dmp
        Download

        memory/4800-95-0x00000273801E0000-0x00000273802E0000-memory.dmp
        Download

        memory/4800-124-0x00000273946D0000-0x00000273946F0000-memory.dmp
        Download

        memory/4800-112-0x0000027383DF0000-0x0000027383E10000-memory.dmp
        Download

        memory/4800-108-0x0000027393FA0000-0x00000273940A0000-memory.dmp
        Download

        memory/4800-107-0x0000027383CB0000-0x0000027383CD0000-memory.dmp
        Download