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
    31/05/2026, 12:10

General

  • Target
    2026-05-31_ee231d9ac7ce4e6d5258d14380b0c551_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 3.5MB
  • Sample260531-pb17qaav2n
  • SHA256 0693b0e31735522e0b802e4837046af192b1a239e669f4a5752f9f537f3bc3ac
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 9 IoCs
  • ASPack v2.12-2.42 5 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\2026-05-31_ee231d9ac7ce4e6d5258d14380b0c551_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-31_ee231d9ac7ce4e6d5258d14380b0c551_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:5184
  • 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:440

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 3.5MB
        • SHA256 0693b0e31735522e0b802e4837046af192b1a239e669f4a5752f9f537f3bc3ac
        • 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 3.6MB
        • SHA256 4740c979a62969fe5e971549d7639c94fa33d582ecc01136369bf8a069d01d36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 4.1MB
        • SHA256 fdac61a294869289dbba9d6b1ce179f4b2f1f7e3a098ac7f17e7046aa1ba20b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
        • Size 3.6MB
        • SHA256 984ee7f2879fdfc87b9d31f509888516b68ef8aaa895be773bb198b71cd3dcbc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wordicon.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\wordicon.exe
        • Size 3.6MB
        • SHA256 7ac854a5e951fb8a7ce066b961d378b7bbd56fe28a76609b6b1bea08238fad83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/440-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/440-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5184-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5184-70-0x0000000000400000-0x000000000040F000-memory.dmp