Analysis

  • max time kernel
    105s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 20:01

General

  • Target
    2026-08-21_1fde62dbe481ccb8d2eac6efff165e15_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.4MB
  • Sample260821-yry7qs1set
  • SHA256 a9f7a69e510a6d9b7bb6582cef2c031237692566e222a9d8d05a47eef89f49a8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    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 23 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_1fde62dbe481ccb8d2eac6efff165e15_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_1fde62dbe481ccb8d2eac6efff165e15_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:2764
  • 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:4104

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.4MB
        • SHA256 a9f7a69e510a6d9b7bb6582cef2c031237692566e222a9d8d05a47eef89f49a8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.9MB
        • SHA256 7b3b7aeb9919adaffc142f774d8d46d2e3069dbf525fe51f78c983b275dc2471
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jcmd.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jcmd.exe
        • Size 1.4MB
        • SHA256 5a715ee5998f4cb2d288530662eb93a13372de01eaa164e899ff6af57259dd57
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe
        • Size 1.5MB
        • SHA256 d92519894541a57902f20247fad553bb30ceeb12fe2319faec90a37c6bda70b1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2764-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2764-21-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4104-22-0x0000000000400000-0x000000000040F000-memory.dmp