Analysis

  • max time kernel
    114s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/05/2026, 03:39

General

  • Target
    2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 3.1MB
  • Sample260529-d7mtesb16m
  • SHA256 b9f43bc29cb8aa0cb255172e0ea063c7ec6992e4a0101c00f34ee735baceee84
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    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\2026-05-29_fcf1c31e0083e0c55e4941381501217e_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-29_fcf1c31e0083e0c55e4941381501217e_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:1052
  • 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:1068

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 3.1MB
        • SHA256 b9f43bc29cb8aa0cb255172e0ea063c7ec6992e4a0101c00f34ee735baceee84
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.4MB
        • SHA256 d3dfa26a1a5ac1a4152eb0f549c998f15edb001c24e909c8af8ff8240b131fa6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pwahelper.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\pwahelper.exe
        • Size 3.2MB
        • SHA256 490d76b185997f34a240def2199498d049669bd30454620a2db801066a5208f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.6MB
        • SHA256 9e16df41e1664ce487f5194fb08402be3cb15a3dbca1121b26a612218f5f9d8e
        • 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 3.1MB
        • SHA256 98efccd6eaea05649a9253c94c3218a9b952e2c6bf2166a40d58790da1d1ac6c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VC_redist.x64.exe$

        • Path C:\ProgramData\Package Cache\{57a73df6-4ba9-4c1d-bbbb-517289ff6c13}\VC_redist.x64.exe$
        • Size 3.7MB
        • SHA256 ea1c0095ef773eb31402d873909b9c1fb5a69ef72560194a7dbdf76c5aa592dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1052-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1052-70-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1068-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1068-71-0x0000000000400000-0x000000000040F000-memory.dmp