Analysis

  • max time kernel
    95s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 14:00

General

  • Target
    2026-07-27_fcc86868d6565c154bceaf2a26743bb9_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.4MB
  • Sample260727-ra95catfpd
  • SHA256 4543df63ecbd189e184d58da30bb7c06adc53dac09ae0e1f573877032fe511d0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 9 IoCs
  • ASPack v2.12-2.42 6 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 26 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\2026-07-27_fcc86868d6565c154bceaf2a26743bb9_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-27_fcc86868d6565c154bceaf2a26743bb9_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:2580
  • 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:4548

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.4MB
        • SHA256 4543df63ecbd189e184d58da30bb7c06adc53dac09ae0e1f573877032fe511d0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.9MB
        • SHA256 3740978aa9ae1dbcf36b2283c327aab6753cdd411bd15e4d6f70480a8b7b6ca1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        klist.exe

        • Path C:\Program Files\Java\jre-1.8\bin\klist.exe
        • Size 1.4MB
        • SHA256 9b879b5d0cf4d98829fb2cd73c5076c637ed60e45210881f3839cd8e8475d343
        • MD5 SHA1 SHA512 SSDEEP TLSH

        klist.exe$

        • Path C:\Program Files\Java\jre-1.8\bin\klist.exe$
        • Size 1.4MB
        • SHA256 8a67c1625bb1664c99661c26d71b5019c4e56f3f5e2f538de15634e7913f96c9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe
        • Size 1.5MB
        • SHA256 dc100db6bf659dcdd116d4fd27b3816d3da07a264819d25c25d5f77b7fab71a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SELFCERT.EXE

        • Path C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE
        • Size 1.4MB
        • SHA256 28fab25cb316cab79cdeb60a36c801ca6ab533c415c4c96b89ef1745aa692e5a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2580-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2580-21-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4548-34-0x0000000000400000-0x000000000040F000-memory.dmp