Analysis

  • user interaction
    yes
  • max time kernel
    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
    03/07/2026, 04:26

General

  • Target
    e5c19b3a0461eb7e66cb638b2624c464b96223bab0d036c70f902ff6a9241fd0.exe
  • Size 525KB
  • Sample260703-e2mf5sbt7z
  • SHA256 e5c19b3a0461eb7e66cb638b2624c464b96223bab0d036c70f902ff6a9241fd0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Users\Admin\README_DECRYPT.txt

Ransom Note
  • YOUR FILES HAVE BEEN ENCRYPTED All your important files have been encrypted using RSA-2048 encryption. Attempting to decrypt files without the private key will result in permanent data loss. TO RECOVER YOUR FILES: 1. Contact us via Session app. You can download it from here, it's free and secure: https://getsession.org 2. Contact us with this ID: 05bd51745f37597905bc59249cff25569c357296ede1b0d2214215a09b6448816e 3. Provide your unique ID: franciscoimoveis WARNING: - Do not modify encrypted files - Do not attempt to use recovery tools. This will cause the files to be permanently destroyed. Onion Link: http://iacjvmxjb2ivqkxxzmde4w6g53gn6ym7c3g6mfifvejyhqtp4wrkypyd.onion
URLs
  • https://getsession.org

  • http://iacjvmxjb2ivqkxxzmde4w6g53gn6ym7c3g6mfifvejyhqtp4wrkypyd.onion

Signatures

  • Clears Windows event logs 1 TTPs 16 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5c19b3a0461eb7e66cb638b2624c464b96223bab0d036c70f902ff6a9241fd0.exe
    "C:\Users\Admin\AppData\Local\Temp\e5c19b3a0461eb7e66cb638b2624c464b96223bab0d036c70f902ff6a9241fd0.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4740
    • C:\Windows\system32\vssadmin.exe
      "vssadmin" delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:6952
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Application
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:6484
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Security
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl System
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:2352
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Setup
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:3644
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Microsoft-Windows-PowerShell/Operational
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:6660
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl "Windows PowerShell"
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:3312
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Microsoft-Windows-TerminalServices-LocalSessionManager/Operational
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:5812
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Microsoft-Windows-RemoteDesktopServices-RdpCoreTS/Operational
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:2684
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Microsoft-Windows-TaskScheduler/Operational
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:1136
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl "Microsoft-Windows-Windows Defender/Operational"
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:4808
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl "Microsoft-Windows-Windows Firewall With Advanced Security/Firewall"
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:244
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Microsoft-Windows-SmbClient/Security
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:556
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Microsoft-Windows-SmbServer/Security
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:6984
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Microsoft-Windows-WMI-Activity/Operational
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:3220
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Microsoft-Windows-Sysmon/Operational
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:708
    • C:\Windows\system32\wevtutil.exe
      "wevtutil" cl Microsoft-Windows-Bits-Client/Operational
      2⤵
      • Clears Windows event logs
      • Suspicious use of AdjustPrivilegeToken
      PID:6264
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3436

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        README_DECRYPT.txt

        • Path C:\Users\Admin\README_DECRYPT.txt
        • Size 682B
        • SHA256 643415a2c82394af7fd3d05a8382eee3bd081ad26d78fd4475e3256bbd6d83c0
        • MD5 SHA1 SHA512 TLSH

        memory/4740-0-0x00007FF771250000-0x00007FF7712D9000-memory.dmp

        memory/4740-1078-0x00007FF771250000-0x00007FF7712D9000-memory.dmp

        memory/4740-2439-0x00007FF771250000-0x00007FF7712D9000-memory.dmp