Analysis

  • max time kernel
    118s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 04:47

General

  • Target
    2026-06-01_b44036bb36797fd0b21f82cb793e56de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.5MB
  • Sample260601-feznmacv4z
  • SHA256 87366d661bea7ded42dedab30c66ee4a25cd747a0d3bfda0d863cf70542fb0c4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 12 IoCs
  • ASPack v2.12-2.42 9 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\2026-06-01_b44036bb36797fd0b21f82cb793e56de_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-01_b44036bb36797fd0b21f82cb793e56de_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:2372
  • 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:4208

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.5MB
        • SHA256 87366d661bea7ded42dedab30c66ee4a25cd747a0d3bfda0d863cf70542fb0c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.2MB
        • SHA256 e44f1ce57ef72c260283869df4d5d1b50008fcb3414d87c8ca5fd3861b31af0a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pwahelper.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\pwahelper.exe
        • Size 2.6MB
        • SHA256 6639309489f942422bef4e268414a66a24b74fa4897d8354c2d9faa67772d0cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdgeUpdateSetup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateSetup.exe$
        • Size 2.8MB
        • SHA256 118382ec4bc70f88796bd24254751769984a96ad5934f94a4efa2c3eb03652e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.1MB
        • SHA256 ddac74e8f66812b02b8056f212a44a614a67312c94c1974fc57a2edd7a311e75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pack200.exe

        • Path C:\Program Files\Java\jre-1.8\bin\pack200.exe
        • Size 2.5MB
        • SHA256 25aa3ef4cb0403262f6c48f07641ba35a36edc06ab74a50eca49be43c606b1c5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Integrator.exe$

        • Path C:\Program Files\Microsoft Office\root\Integration\Integrator.exe$
        • Size 3.0MB
        • SHA256 3544568024bc9e1db629007a605fedcb62b219a794ae4389ca5cf882105aae38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        crashreporter.exe$

        • Path C:\Program Files\Mozilla Firefox\crashreporter.exe$
        • Size 2.6MB
        • SHA256 c3ca0aca1976ec205e178e105b86792e4514094edd155924c290a621378ccd13
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 2.8MB
        • SHA256 ae7f5e436936cdfd2dd97bbdaadb1cc3add1080ce155e02d2a985f370569ec05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2372-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2372-69-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4208-70-0x0000000000400000-0x000000000040F000-memory.dmp