Analysis

  • max time kernel
    109s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 17:14

General

  • Target
    2026-05-22_85d4cdbf9992dbd107d55ac909e3d9ff_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.7MB
  • Sample260522-vr856abt9j
  • SHA256 1609745e84ba7aebeb4c01ff022fd49109171c2da589e3004f673c5a64687472
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 8 IoCs
  • ASPack v2.12-2.42 4 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\2026-05-22_85d4cdbf9992dbd107d55ac909e3d9ff_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_85d4cdbf9992dbd107d55ac909e3d9ff_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:2284
  • 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:1916

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.7MB
        • SHA256 1609745e84ba7aebeb4c01ff022fd49109171c2da589e3004f673c5a64687472
        • MD5 SHA1 SHA512 SSDEEP TLSH

        identity_helper.exe$

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe$
        • Size 1.8MB
        • SHA256 4ecb03e9f982c7b4e009c61b53c599f25cda9678fa8d1590c66d14262b91e07c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.2MB
        • SHA256 bbe30b0c0f3893950ede1efbd1d2d0520df1e9df5eab35e57e41ef6d5eea460c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe
        • Size 1.8MB
        • SHA256 cb60991e7e8f9c97a5dd853415888e6c9e8f4848f56f575c88bf21ab88cc12fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1916-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1916-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2284-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2284-70-0x0000000000400000-0x000000000040F000-memory.dmp