Analysis

  • max time kernel
    108s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 09:38

General

  • Target
    2026-08-03_cdc5acdb582993b5a1380efa29ca1f10_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 3.3MB
  • Sample260804-lmftdaswdt
  • SHA256 9ef7434025485ce7871d83c94f0b00d24d54f16f38c59d56b25f08295c57088e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 7 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 Program Files directory 64 IoCs
  • Drops file in Windows directory 24 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_cdc5acdb582993b5a1380efa29ca1f10_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_cdc5acdb582993b5a1380efa29ca1f10_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:1556
  • 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 Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:704

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 3.3MB
        • SHA256 9ef7434025485ce7871d83c94f0b00d24d54f16f38c59d56b25f08295c57088e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.9MB
        • SHA256 25a3a59300697fcc86c7e5a4647131d99fb42d2c6cffc9f0bbbd32a9ce6651b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
        • Size 3.4MB
        • SHA256 49128ce94df4a54a0b11ca8b4afa1204d60963b205934212a68dde42fefe4f27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSBuild.exe$

        • Path C:\Windows\assembly\GAC_64\MSBuild\3.5.0.0__b03f5f7f11d50a3a\MSBuild.exe$
        • Size 3.4MB
        • SHA256 d60afe28a1f57135ddf45a8edd6d5fc3e2055a565da72ddb16b64225c47b0aa5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/704-22-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1556-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1556-15-0x0000000000400000-0x000000000040F000-memory.dmp