Analysis

  • max time kernel
    86s
  • 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
    29/05/2026, 17:13

General

  • Target
    2026-05-29_d4252dc3f37fa6994f751a0ea2cd5db1_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 3.1MB
  • Sample260529-vrexbacy4q
  • SHA256 4694dc689b7c2826c98f35329e60c17d122e07ce502050460c7910b2d946e75a
  • 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
  • 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\2026-05-29_d4252dc3f37fa6994f751a0ea2cd5db1_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-29_d4252dc3f37fa6994f751a0ea2cd5db1_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:4912
  • 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:4916

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 3.1MB
        • SHA256 4694dc689b7c2826c98f35329e60c17d122e07ce502050460c7910b2d946e75a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrServicesUpdater.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe$
        • Size 3.8MB
        • SHA256 912ae802a5d45fdf9f14cb6b44365a2b359e5b239da2b18964e7866f47a06e2f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javaws.exe$

        • Path C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_164640\javaws.exe$
        • Size 3.5MB
        • SHA256 50b5f1fc76c95854c30659b0a05ef80e75dc91affd373659a407ea71d9270ea5
        • 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 3.2MB
        • SHA256 52f02ba2b2615ae6122b4c2454a78847b029ff71cdb914b625c918beafa8d2e5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.6MB
        • SHA256 d9e8e45326aeec59b915c9942af0cf784bef9281e1678ce3c1105c3583cef52f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        extcheck.exe$

        • Path C:\Program Files\Java\jdk-1.8\bin\extcheck.exe$
        • Size 3.1MB
        • SHA256 c9dfa0ae0d4362529f03c09ca892d455a0745ab78c928a46c76ac6b13113f416
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OneDrive.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe$
        • Size 3.3MB
        • SHA256 f036768a3e3d5628ed35a241c442fe563cb22cd06770e046d8474e62b711e029
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4912-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4912-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4916-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4916-71-0x0000000000400000-0x000000000040F000-memory.dmp