Analysis

  • max time kernel
    106s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/07/2026, 01:14

General

  • Target
    2026-07-28_5521320754f898ecf715d3c225aa0e92_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.6MB
  • Sample260729-blsrfadc87
  • SHA256 815424a2ba8ae461625c68ad7146aaa78226b5f378b55f2d7a40a396df09a9ad
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 7 IoCs
  • 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 16 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\2026-07-28_5521320754f898ecf715d3c225aa0e92_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_5521320754f898ecf715d3c225aa0e92_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:2312
  • 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:5972

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.6MB
        • SHA256 815424a2ba8ae461625c68ad7146aaa78226b5f378b55f2d7a40a396df09a9ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.1MB
        • SHA256 866b2da8c7b385b7b2f2f31f230e14745352e8c9e0ff4c009cb788630aaffc01
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ktab.exe

        • Path C:\Program Files\Java\jre-1.8\bin\ktab.exe
        • Size 1.6MB
        • SHA256 c87a9e600e89b0cf52e6de8d8e198c36e79b46e79fea7f20b88019c5a3269dde
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ktab.exe

        • Path C:\Program Files\Java\jre-1.8\bin\ktab.exe
        • Size 1.6MB
        • SHA256 d82dac045285a25527f85a413741921726b3b219dd3826206ec8cfcc8f6fdafc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2312-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/2312-1479-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/5972-1504-0x0000000000400000-0x000000000040D000-memory.dmp