Analysis

  • max time kernel
    110s
  • max time network
    96s
  • 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, 12:24

General

  • Target
    2026-05-23_f13bf9cfab2c5a0e8a315fcc813b18c2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.5MB
  • Sample260523-pk4dfact9v
  • SHA256 daf8f9ab24cb26e4c0bac3f6ad5e3748b864a27d93315ac6954324611fcfc7ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 8 IoCs
  • ASPack v2.12-2.42 4 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_f13bf9cfab2c5a0e8a315fcc813b18c2_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_f13bf9cfab2c5a0e8a315fcc813b18c2_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:2332
  • 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 1.5MB
        • SHA256 daf8f9ab24cb26e4c0bac3f6ad5e3748b864a27d93315ac6954324611fcfc7ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.0MB
        • SHA256 b9ad6ec2edab15cf6e91573f64e650097633de90f40a96067e3a8b14d96daa20
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OneDriveSetup.exe$

        • Path C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe$
        • Size 2.0MB
        • SHA256 2e68778161a491b04580e3aeea5f699d00ed6e3cd8ff5d91e80cc30377e04347
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wt.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\wt.exe$
        • Size 1.8MB
        • SHA256 c8d58f05c3d1eacd087427ff934366b2f5e99673cdac8f365772b2a57a7aaeec
        • MD5 SHA1 SHA512 SSDEEP TLSH

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

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

        memory/2332-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/2332-70-0x0000000000400000-0x000000000040F000-memory.dmp