Analysis

  • max time kernel
    106s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    08/06/2026, 15:52

General

  • Target
    2026-06-08_d6dacef7072c18b67fa947c01e641c15_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.7MB
  • Sample260608-tbcatags8k
  • SHA256 9677818a9cdfbbec754d40d869960360da1a17ab085d31bbbbdd603dd02b1447
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 10 IoCs
  • ASPack v2.12-2.42 6 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-08_d6dacef7072c18b67fa947c01e641c15_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-08_d6dacef7072c18b67fa947c01e641c15_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:2728
  • C:\905c0769f9a06c95a24ddf945\patcher.exe
    C:\905c0769f9a06c95a24ddf945\patcher.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:3460

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.7MB
        • SHA256 9677818a9cdfbbec754d40d869960360da1a17ab085d31bbbbdd603dd02b1447
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge_X64_139.0.3405.125.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{1DB26D68-2683-4079-8B83-411AB7EA0E89}\MicrosoftEdge_X64_139.0.3405.125.exe$
        • Size 1.8MB
        • SHA256 53beb04698f4bc1f60ec55b03cd6d171edbf2a70c6634164af3debca9c81b993
        • MD5 SHA1 SHA512 SSDEEP TLSH

        notification_click_helper.exe$

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\notification_click_helper.exe$
        • Size 1.8MB
        • SHA256 c75f301e09504059fe8131cbf2fa3d1697716602f4060e6938d5b2a4fa667950
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.2MB
        • SHA256 669c2ac99f1a292dc93569ab6737214b3a95da7ad6e9d0fecc8e0140366d82f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SELFCERT.EXE

        • Path C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE
        • Size 1.7MB
        • SHA256 949180465f4ac50db3f33c04dc21b98afc31a8873e23c3ee8c1ef1b86c663634
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wt.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.WindowsTerminal_8wekyb3d8bbwe\wt.exe$
        • Size 1.9MB
        • SHA256 53a8654fc90f21467acbc9967ddba493f3d3e7d3ddd889b0eea435aac698d351
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2728-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2728-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3460-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3460-71-0x0000000000400000-0x000000000040F000-memory.dmp