Analysis

  • max time kernel
    101s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 07:03

General

  • Target
    2026-07-31_b912458c7532e85f448713c7960b4a2f_amadey_cobalt-strike_conti_elex_hijackloader_vidar_wannacry.exe
  • Size 971KB
  • Sample260731-hvdgfaee76
  • SHA256 0b920b0d2180c82a5eeeecff7a705d58e4a03649a6d9b41cc99dab1c78669364
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 6 IoCs
  • ASPack v2.12-2.42 3 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 28 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\2026-07-31_b912458c7532e85f448713c7960b4a2f_amadey_cobalt-strike_conti_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_b912458c7532e85f448713c7960b4a2f_amadey_cobalt-strike_conti_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:4320
  • 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:5520

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 971KB
        • SHA256 0b920b0d2180c82a5eeeecff7a705d58e4a03649a6d9b41cc99dab1c78669364
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.5MB
        • SHA256 2c646d1e383804e2839367c7b13f51465ecd54c6389efbeae2f67c8fbcc3ac88
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pubs.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pubs.exe
        • Size 1.4MB
        • SHA256 640e14060d466a85ea92c14e561a19fc4f7c88f9b0ec56e802dc0a20630158ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4320-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4320-69-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5520-70-0x0000000000400000-0x000000000040F000-memory.dmp