Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 16:54

General

  • Target
    2026-08-03_cbbb33dfa3f09076072fdfafd0e3ca82_cobalt-strike_conti_elex_hijackloader.exe
  • Size 718KB
  • Sample260803-vemfmacd92
  • SHA256 271b9b40978a4b1894d7b42c9d174e1a754a5f5e9c4f4e5d288ab6caed506299
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 3 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 1 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_cbbb33dfa3f09076072fdfafd0e3ca82_cobalt-strike_conti_elex_hijackloader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_cbbb33dfa3f09076072fdfafd0e3ca82_cobalt-strike_conti_elex_hijackloader.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:3988

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.4MB
        • SHA256 f0200cc99ffb4d5f88426e9aefb369cdf204a18d35a5335959e15343fe041fbc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3988-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3988-1938-0x0000000000400000-0x000000000040D000-memory.dmp