Analysis

  • max time kernel
    97s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 15:00

General

  • Target
    2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.1MB
  • Sample260804-sdjl8sshrb
  • SHA256 59ee9515cf664ea01384c72495975b98189aad78d705180b0626ed43df02f187
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 7 IoCs
  • ASPack v2.12-2.42 4 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • 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 Program Files directory 64 IoCs
  • Drops file in Windows directory 26 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_8fd83437c47a93a81375573a244b4360_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_8fd83437c47a93a81375573a244b4360_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:4752
  • 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 Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:236

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.1MB
        • SHA256 59ee9515cf664ea01384c72495975b98189aad78d705180b0626ed43df02f187
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.7MB
        • SHA256 f0de26bb3ad85aeaeb8302c39e794d493769e01750f3c84447d0c26194ddb06b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ktab.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\ktab.exe
        • Size 1.2MB
        • SHA256 b0772c23a879b7bfbc04758ee257b47ffa9805eb6f37073e20723651e66a88c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ktab.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\ktab.exe
        • Size 1.2MB
        • SHA256 876c91c164a4dc520281369b5c8f5f4d11e6a10a8fb26feaf8b0754d86aff48c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/236-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4752-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4752-69-0x0000000000400000-0x000000000040F000-memory.dmp