Analysis

  • max time kernel
    123s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 14:08

General

  • Target
    2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe
  • Size 957KB
  • Sample260803-rfqynasvgx
  • SHA256 6846e806b74fbedca359e22d2617fb310f56507ae7682c033f9a79940ba0ebbf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 8 IoCs
  • ASPack v2.12-2.42 5 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 Program Files directory 64 IoCs
  • Drops file in Windows directory 1 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\2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_b1dcde6f75243c663879ef1bb5836cfa_cobalt-strike_conti_elex_hijackloader_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:4684
  • 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:3656

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 957KB
        • SHA256 6846e806b74fbedca359e22d2617fb310f56507ae7682c033f9a79940ba0ebbf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 1.5MB
        • SHA256 50341df2568f1bad5fafd656ebbd3d473fc58169081672cc28d760b3fb526aa4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Uninstall.exe

        • Path C:\Program Files\7-Zip\Uninstall.exe
        • Size 971KB
        • SHA256 efc93d4127baed4207c768500192f566649e291ae269a986e0888c4dc309efb8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jjs.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe
        • Size 980KB
        • SHA256 89306da0391f50e28d6a2e1103a22749478bdbc30d4c7c3667efcaec7d089111
        • MD5 SHA1 SHA512 SSDEEP TLSH

        XLICONS.EXE$

        • Path C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE$
        • Size 1001KB
        • SHA256 6dcc830917e32924fcdb7b9f968c32ac783b1a298ae71f757e8c1c648f4e5256
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3656-16-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4684-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4684-15-0x0000000000400000-0x000000000040F000-memory.dmp