Analysis

  • max time kernel
    119s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/05/2026, 20:51

General

  • Target
    2026-05-24_049d8824c480a71212a6b4e88d2bb02d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.5MB
  • Sample260524-zm8faaax21
  • SHA256 296e71fe53e6c13d0a9ba9a70383128f9711a341502b7bef34ce7e261f901f04
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 11 IoCs
  • ASPack v2.12-2.42 7 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\2026-05-24_049d8824c480a71212a6b4e88d2bb02d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-24_049d8824c480a71212a6b4e88d2bb02d_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:4840
  • 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:1604

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.5MB
        • SHA256 296e71fe53e6c13d0a9ba9a70383128f9711a341502b7bef34ce7e261f901f04
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.2MB
        • SHA256 717ae06b58b5ef198f19c2883a518128154fe9cfe6f3fb04307cb4d2d0d5a60b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARM.exe$

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe$
        • Size 1.6MB
        • SHA256 ce4e6b7136fa423284430735c57d5cdc1cc601745cf3782a2b90dfc647b12b44
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge_pwa_launcher.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\msedge_pwa_launcher.exe
        • Size 1.6MB
        • SHA256 1b6a09fa034503a9a1fa59c1f80cf262f2376c4b3a801ef660e8037d5c58f1bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge_proxy.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge_proxy.exe
        • Size 1.6MB
        • SHA256 fa3cc379ccf8094f7cf616dfb80d6206ea1028fefd6c498cb52cb8b15ce16de5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.0MB
        • SHA256 ecc94e1d6ce2a809e50575c713f67cee22b567ada2f2f65bfca1603e1604f547
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe$
        • Size 1.6MB
        • SHA256 8389fa68b95e2a76f5638a7e307122f61494795f5295924ec0fcc1d15568e9e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1604-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1604-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4840-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4840-70-0x0000000000400000-0x000000000040F000-memory.dmp