Analysis

  • max time kernel
    112s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 15:33

General

  • Target
    2026-08-17_8a01985b3ae2293350c6627e4b4954a1_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.9MB
  • Sample260817-szd9mstdkc
  • SHA256 ca9bd0824b20542698ef17237dd8a879f5795e8dd1a3173062bb7d9f0e1ccf52
  • 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 22 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\2026-08-17_8a01985b3ae2293350c6627e4b4954a1_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_8a01985b3ae2293350c6627e4b4954a1_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:4744
  • 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:4660

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.9MB
        • SHA256 ca9bd0824b20542698ef17237dd8a879f5795e8dd1a3173062bb7d9f0e1ccf52
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.4MB
        • SHA256 ce648f998ad12f3606ac49dc28ccce9b21e663a58675caf321ac052e4431dbcd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSOUC.EXE$

        • Path C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE$
        • Size 2.4MB
        • SHA256 befa72545f0ecac3a203f1b00c21bfd7eae3285c543a088fe897c5172255615d
        • 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 1.9MB
        • SHA256 7a8192040ec9e24a4de659137803f8a2ed7801bc47958f5b31958e2715a2dd21
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4660-40-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4744-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4744-39-0x0000000000400000-0x000000000040F000-memory.dmp