Analysis

  • max time kernel
    88s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/08/2026, 22:42

General

  • Target
    2026-08-23_bf3591840ee6fc9057628320d73c1804_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.7MB
  • Sample260823-2mt9rsbd86
  • SHA256 f4f12f7c0e7afbd1ba89cbc22b5eb24951a3b54239231f6ec2fe96f76f263ae0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 7 IoCs
  • ASPack v2.12-2.42 4 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 29 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\2026-08-23_bf3591840ee6fc9057628320d73c1804_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-23_bf3591840ee6fc9057628320d73c1804_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:3080
  • 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:3320

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.7MB
        • SHA256 f4f12f7c0e7afbd1ba89cbc22b5eb24951a3b54239231f6ec2fe96f76f263ae0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.2MB
        • SHA256 d107035723beb28e95efe2bc2808043a5c8068f935cb1ed5a24c2eb3f5927c2e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rmid.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe
        • Size 1.7MB
        • SHA256 eae998f2812e4bc48a45cd82b001c6c847ee944a8a9eb7004f32a117d70b74f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe$

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe$
        • Size 1.8MB
        • SHA256 592351ea3c7623d27a5e17b4a5224889e3336313b3ad43711ed627cb87784778
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3080-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3080-165-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3320-166-0x0000000000400000-0x000000000040F000-memory.dmp