Analysis

  • max time kernel
    120s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/06/2026, 05:02

General

  • Target
    2026-06-06_815786a87dd823d7313350dec41268da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.1MB
  • Sample260606-fpfcqsa18m
  • SHA256 f191eb118c01c6bfaa625c1c522b2a4f11af8a139744571f46bddd784609c844
  • 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
  • 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 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\2026-06-06_815786a87dd823d7313350dec41268da_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-06_815786a87dd823d7313350dec41268da_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:1104
  • 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:2936

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.1MB
        • SHA256 f191eb118c01c6bfaa625c1c522b2a4f11af8a139744571f46bddd784609c844
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 1.9MB
        • SHA256 4fb90c8efbf01be28b73e3a3d7f90ad380f9e0ca36b588524f8690b287b285a1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge_X64_139.0.3405.125.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Download\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\139.0.3405.125\MicrosoftEdge_X64_139.0.3405.125.exe$
        • Size 1.2MB
        • SHA256 79cb7823f1d1b1d83387fc0a7af77c2b17115d778af1dced1887060bdbc21b80
        • MD5 SHA1 SHA512 SSDEEP TLSH

        identity_helper.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
        • Size 1.3MB
        • SHA256 ff3eacafec4e3f212dada727e4f62d2c839ca4219d6bf84d6382328d94a48e4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe$
        • Size 1.2MB
        • SHA256 125fa2dc5654679c068dc91b59402b8502313a786695391230a091fb2f3a2560
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python3.exe
        • Size 1.4MB
        • SHA256 b831fca7792fc66d0eae794e4931d5d5f5cfc1cd37d3536e939b5aa83bdd68f5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1104-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1104-77-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2936-13-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2936-78-0x0000000000400000-0x000000000040F000-memory.dmp