Analysis

  • max time kernel
    110s
  • max time network
    98s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    29/05/2026, 17:42

General

  • Target
    2026-05-29_c74a006a4681c0ad72b0af5f968664e1_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.9MB
  • Sample260529-v95kpadw2l
  • SHA256 9953b0a165df6e8e2ddf971922ff477ec6c1229cf778e9ac060eabe92c41205f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 9 IoCs
  • ASPack v2.12-2.42 5 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 System32 directory 1 IoCs
  • Drops file in Program Files directory 64 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-29_c74a006a4681c0ad72b0af5f968664e1_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-29_c74a006a4681c0ad72b0af5f968664e1_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
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:3468
  • 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 System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:2120

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.9MB
        • SHA256 9953b0a165df6e8e2ddf971922ff477ec6c1229cf778e9ac060eabe92c41205f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 2.6MB
        • SHA256 8d0bb246d8bca3f76ee759cec33cdfd51f6ef5bf23d9cbe4fb8141803daa85a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pwahelper.exe$

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\pwahelper.exe$
        • Size 2.0MB
        • SHA256 11dd6fd3d621c3130a16631cdc4b993a73bc40509036f08cea56ccfd25f23ebb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.4MB
        • SHA256 4aafccab122f4f21482234353bf101871810ef124c77528fdfe99fcf73d83a20
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dfsvc.exe

        • Path C:\Windows\assembly\GAC_MSIL\dfsvc\2.0.0.0__b03f5f7f11d50a3a\dfsvc.exe
        • Size 1.9MB
        • SHA256 a82f756fc4045861bb3d1cda8aa88c5478dabec51f316a72a1d32f6a2152f359
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2120-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2120-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3468-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3468-70-0x0000000000400000-0x000000000040F000-memory.dmp