Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 15:01

General

  • Target
    2026-09-30_494e1fdac27c273847bba32bd272b4d1_amadey_cobalt-strike_conti_elex_hellokitty.exe
  • Size 158KB
  • Sample261001-sdwlsstajg
  • SHA256 450ac294310a75e2b74cc2c7873536e394268ac187ae2d0f815cefd99c1a5681
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (7033) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops desktop.ini file(s) 27 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 2 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\2026-09-30_494e1fdac27c273847bba32bd272b4d1_amadey_cobalt-strike_conti_elex_hellokitty.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-30_494e1fdac27c273847bba32bd272b4d1_amadey_cobalt-strike_conti_elex_hellokitty.exe"
    1⤵
    • Creates a file in the Startup directory
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{713F8EE6-2580-4FF5-A998-06FB52E1C035}'" delete
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{713F8EE6-2580-4FF5-A998-06FB52E1C035}'" delete
        3⤵
        • Reads the TCP/IP host and domain name from the registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3716
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4876

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        R3ADM3.txt

        • Path C:\ProgramData\R3ADM3.txt
        • Size 231B
        • SHA256 422c8cf97e3484c2df63194d32be114775dcb82777b634f3e76246d938a3c8bb
        • MD5 SHA1 SHA512 TLSH