Analysis

  • max time kernel
    115s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/05/2026, 15:58

General

  • Target
    2026-05-28_2c2b0c4722ef3c7a8992ca4834db7796_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.7MB
  • Sample260528-tevassft21
  • SHA256 5a04bfc1e6869c6f32299d18b5101d5181efbda1928ab01b8cd493d18da0b5df
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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\2026-05-28_2c2b0c4722ef3c7a8992ca4834db7796_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_2c2b0c4722ef3c7a8992ca4834db7796_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:4956
  • 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:3712

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.7MB
        • SHA256 5a04bfc1e6869c6f32299d18b5101d5181efbda1928ab01b8cd493d18da0b5df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.0MB
        • SHA256 d3879dbeffb24193c628009234c371059d3c081b0a62606b4a70467016d2a59f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.2MB
        • SHA256 918aa4b32a101fc31228db1df34c2e3ee941d58ec06a59c9cd65d644d73c08c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.7MB
        • SHA256 dfadc2e8d874e9a2019898d78d403c7fefd99f0cf257a6b0860bf3ea26a545e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        updater.exe$

        • Path C:\Program Files\Mozilla Firefox\updater.exe$
        • Size 3.1MB
        • SHA256 03115470aed066f38301cb3e0a9b4e4be3440d8145a86eac80ea64c88907b60f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe$
        • Size 2.9MB
        • SHA256 b746134cb1a268725843209d564876927f777ca3ba6e6b5df3f0ba51710e2958
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3712-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3712-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4956-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4956-58-0x0000000000400000-0x000000000040F000-memory.dmp