Analysis

  • max time kernel
    123s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 02:10

General

  • Target
    2026-05-23_dc8f5facb6b51c188131733265627c1b_amadey_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 2.8MB
  • Sample260523-cl33vaaz8j
  • SHA256 45121f1e437fc32576158a4459c277b02f6bc8f94acfbe80c36e82267e93f29d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 10 IoCs
  • ASPack v2.12-2.42 6 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • 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\2026-05-23_dc8f5facb6b51c188131733265627c1b_amadey_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_dc8f5facb6b51c188131733265627c1b_amadey_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.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:3556
  • 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:1028

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.8MB
        • SHA256 45121f1e437fc32576158a4459c277b02f6bc8f94acfbe80c36e82267e93f29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.5MB
        • SHA256 deac24c7522e90ba272a3683e20036abb3100c2a9e70aad845a8967b81a0c10f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DisabledGoogleUpdate.exe$

        • Path C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe$
        • Size 3.2MB
        • SHA256 53e7bd566df839f1bff7d9c1c11722f72bffbd82c6154ba9f5dd06e7c256704d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.3MB
        • SHA256 3cc3a587c11a274e964134ea2592d12c31c788c76da599042b185a9aea5ce004
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IntegratedOffice.exe$

        • Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe$
        • Size 2.9MB
        • SHA256 e607b5b369c4611544cf19a655fc726fc3a0ac8a54d4955c9d52408d231a6ef4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.DesktopAppInstaller_8wekyb3d8bbwe\python.exe$
        • Size 3.0MB
        • SHA256 b89f86cd873a0a4478e1cf483e166b85bdfda7b1d9e2b79cc429e6c6ff0aeff3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1028-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1028-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3556-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3556-64-0x0000000000400000-0x000000000040F000-memory.dmp