Analysis

  • max time kernel
    110s
  • 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, 13:45

General

  • Target
    2026-06-06_fb8c538ca45de9e133c263496910f8d6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.1MB
  • Sample260606-q2lemaf18x
  • SHA256 593c8752a6388cd004ffa97ed94db86a7a46af30c9712520496ce080e387052a
  • 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\2026-06-06_fb8c538ca45de9e133c263496910f8d6_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-06_fb8c538ca45de9e133c263496910f8d6_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:808
  • 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:3028

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe$

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe$
        • Size 1.1MB
        • SHA256 593c8752a6388cd004ffa97ed94db86a7a46af30c9712520496ce080e387052a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 1.9MB
        • SHA256 98931750b74e61a4e99d479e015a35ac08ed2c0fe12e27aa95d58e0ac8a3bcdb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge_X64_139.0.3405.125.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{3C9C959A-F248-4B60-A580-F846F36C0A80}\MicrosoftEdge_X64_139.0.3405.125.exe$
        • Size 1.2MB
        • SHA256 64345eca0a880b053c8a31adf653b36480ae62f7ebfe3849c416e37c7484afd0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InspectorOfficeGadget.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe
        • Size 1.2MB
        • SHA256 28dc5d31f3cd95def5e6a1d701016430eec6c7bf108c10c61be986c519ade0ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe$
        • Size 1.2MB
        • SHA256 3c283a03552b2c304057926bf12405b65f55d39129ad44136b8fbe6e41553bd0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wt.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.WindowsTerminal_8wekyb3d8bbwe\wt.exe$
        • Size 1.4MB
        • SHA256 e3cdef05e0d5ffd5e48d567ac28b846f51e2fa8869491e011ea0b82d67ce273b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSBuild.exe$

        • Path C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$
        • Size 1.2MB
        • SHA256 73c720e62198e084cb527d0312d044382f11703523d7ae54440fb80c10698e8d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/808-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/808-83-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3028-13-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3028-84-0x0000000000400000-0x000000000040F000-memory.dmp