Analysis

  • max time kernel
    110s
  • max time network
    139s
  • 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, 12:33

General

  • Target
    2026-08-03_2fd8e868e70cc4d530fb8b085e0c05b4_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.7MB
  • Sample260804-prnlkaep5z
  • SHA256 17888aff23bd40b5cf2a927806b5c6925756adac6267bcfa2610e30a1433ce61
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 9 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 Program Files directory 64 IoCs
  • Drops file in Windows directory 1 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\2026-08-03_2fd8e868e70cc4d530fb8b085e0c05b4_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_2fd8e868e70cc4d530fb8b085e0c05b4_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:3472
  • 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:4496

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.7MB
        • SHA256 17888aff23bd40b5cf2a927806b5c6925756adac6267bcfa2610e30a1433ce61
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.2MB
        • SHA256 6720331cc3446553964f1b47a21fcc0844715095ef555f433bf9f1bbe621575d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rmiregistry.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe
        • Size 1.7MB
        • SHA256 fdec81ca92392fc7165535455b6b3220786bb8ff1cc817765c0a96b87e0e0c85
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rmiregistry.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe
        • Size 1.7MB
        • SHA256 070b5052ffe2fdd449ce2ca35c1cb0c07e04b3a9bf81e84d66848099f378cbc4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pj11icon.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe
        • Size 2.1MB
        • SHA256 bbf32bf150a1910eb5da7e29c76cbda61e77dd650ebc2c78b40e46d74dc34f2f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        windowsdesktop-runtime-7.0.16-win-x64.exe$

        • Path C:\ProgramData\Package Cache\{ef5af41f-d68c-48f7-bfb0-5055718601fc}\windowsdesktop-runtime-7.0.16-win-x64.exe$
        • Size 2.3MB
        • SHA256 d42ed4217b8d918e233e5836b417b53522888c56aa780ec87b5eb2cd9e01f7e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3472-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3472-15-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4496-16-0x0000000000400000-0x000000000040F000-memory.dmp