Analysis

  • max time kernel
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 04:40

General

  • Target
    2026-08-21_4021b5faa8d2baa43ca9009f4e39ced0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.7MB
  • Sample260821-fa2bnahf69
  • SHA256 39f34c22b63ea81cf090ccd8a495f9a2512fe3353bda6a733dc8aa603a3f5e8c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 8 IoCs
  • ASPack v2.12-2.42 5 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 7 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\2026-08-21_4021b5faa8d2baa43ca9009f4e39ced0_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_4021b5faa8d2baa43ca9009f4e39ced0_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:1900
  • 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:5104

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.7MB
        • SHA256 39f34c22b63ea81cf090ccd8a495f9a2512fe3353bda6a733dc8aa603a3f5e8c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.2MB
        • SHA256 c8dd94e6156960041004ef09947a84706cd5277c128e19dc38f639f62db540b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java-rmi.exe

        • Path C:\Program Files\Java\jre-1.8\bin\java-rmi.exe
        • Size 1.7MB
        • SHA256 ea371f6343285610ea14d6bde2440d633759e142b6796a05a9f1c5c992567158
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java-rmi.exe

        • Path C:\Program Files\Java\jre-1.8\bin\java-rmi.exe
        • Size 2.0MB
        • SHA256 cb7f0e717dbee702d62e88f72feefa79c01a84e3956bb6902b10592793899952
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe$
        • Size 1.8MB
        • SHA256 71d4a55ff63c0f90069c739963f6c8cabafa07e54b87ad88ac1d54710934e74a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1900-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1900-21-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/5104-22-0x0000000000400000-0x000000000040F000-memory.dmp