Analysis

  • max time kernel
    91s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 15:28

General

  • Target
    2026-08-10_40f2313e52bcb28b90499245fd9b5022_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.1MB
  • Sample260810-swfcjasbjc
  • SHA256 ac0d3288aa85325437dc85b1d216a171d1d91b4ac10e40adb37e76092104231b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    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 32 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\2026-08-10_40f2313e52bcb28b90499245fd9b5022_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_40f2313e52bcb28b90499245fd9b5022_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:3452
  • 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:4576

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.1MB
        • SHA256 ac0d3288aa85325437dc85b1d216a171d1d91b4ac10e40adb37e76092104231b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.6MB
        • SHA256 9cf8a15cddd1bff1bbe234768f767beefbf6c4b044532e92f7541659fa80dd2f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeC2RClient.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe
        • Size 2.4MB
        • SHA256 04635c7d0e926dd74e7919fc0f32785be4527913a99915a277300fa863f4f133
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DW20.EXE$

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE$
        • Size 2.1MB
        • SHA256 b587468cf128a1cf59b7ef85f41e85c59215130da5d9accab86399e65e7b16e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe$
        • Size 2.2MB
        • SHA256 8a9d2ba89298897da575244ae52e0d4b8245102e311364bc7be27ace967c105c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3452-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3452-87-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4576-172-0x0000000000400000-0x000000000040F000-memory.dmp