Overview

overview

10

Static

static

10

2026-06-02...ti.exe

windows10-2004-x64

9

2026-06-02...ti.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 03:20

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General

  • Target
    2026-06-02_c3372c8df9b0754495b59e5a30d8aa1c_conti.exe
  • Size 181KB
  • Sample260602-dv548sd15m
  • SHA256 2590bdd1b8ff1aac286788406351dc6de7927c0e964663673982ec22b7108095
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
persistenceransomwareupx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 2 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
  • 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 2 IoCs

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

    upx
  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of FindShellTrayWindow 61 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3316
      • C:\Users\Admin\AppData\Local\Temp\2026-06-02_c3372c8df9b0754495b59e5a30d8aa1c_conti.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-06-02_c3372c8df9b0754495b59e5a30d8aa1c_conti.exe"
        2⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1760
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2644
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2656
    • 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:3880

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          microsoftwindows.client[1].xml
          • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\GWP4FJXV\microsoftwindows.client[1].xml
          • Size 97B
          • SHA256 a148e85f7ae3f971d5f2a26a4d21d2289bb93c89043ead5acab226c8f4e4b6a0
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          microsoftwindows.client[1].xml
          • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\GWP4FJXV\microsoftwindows.client[1].xml
          • Size 4KB
          • SHA256 035219ee6a11eaec322a8e75239718a4f6f930aa740a5217cca75b961c551cc8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1760-2-0x00007FF687180000-0x00007FF6871AA000-memory.dmp
          Download

          memory/1760-0-0x00007FF687180000-0x00007FF6871AA000-memory.dmp
          Download

          memory/2656-26-0x00000227DF6E0000-0x00000227DF7E0000-memory.dmp
          Download

          memory/2656-42-0x0000022FF5020000-0x0000022FF5040000-memory.dmp
          Download

          memory/2656-57-0x0000022FF5390000-0x0000022FF53B0000-memory.dmp
          Download

          memory/2656-75-0x0000022FF5290000-0x0000022FF52B0000-memory.dmp
          Download

          memory/2656-76-0x0000022FF5250000-0x0000022FF5270000-memory.dmp
          Download

          memory/2656-28-0x00000227DF6E0000-0x00000227DF7E0000-memory.dmp
          Download

          memory/2656-146-0x00000227E0510000-0x00000227E1F15000-memory.dmp
          Download

          memory/2656-147-0x00000227E0510000-0x00000227E1F15000-memory.dmp
          Download

          memory/3316-1-0x0000000002C70000-0x0000000002C71000-memory.dmp
          Download