Analysis

  • max time kernel
    95s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/07/2026, 04:25

General

  • Target
    2026-07-13_8eaa5da938b4fe05b7c606ca6e7115d7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.5MB
  • Sample260713-e18b8ady2z
  • SHA256 f9e6b90d6dce515260dc94a5024c6d8e90461f5584430ca5e928ed28ba886bac
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 10 IoCs
  • ASPack v2.12-2.42 7 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 Program Files directory 64 IoCs
  • Drops file in Windows 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-13_8eaa5da938b4fe05b7c606ca6e7115d7_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-13_8eaa5da938b4fe05b7c606ca6e7115d7_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:4672
  • 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:4604

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.5MB
        • SHA256 f9e6b90d6dce515260dc94a5024c6d8e90461f5584430ca5e928ed28ba886bac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.0MB
        • SHA256 1793110b1c3ab12ed6133ce5164faca6d4ba528c2d45274335a9a19dfaf0f67b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeC2RClient.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe
        • Size 1.8MB
        • SHA256 38b740f2c8318788d0d95b2cdf4386bb59cda83f82ed8669e06d3370fd9bdbfd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jstack.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jstack.exe
        • Size 1.5MB
        • SHA256 0ef86e70681126ef4f9001cdfacb77bb5b76488964d986f09f933225b249a56e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jstack.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jstack.exe
        • Size 1.5MB
        • SHA256 b071e230181b1e4cfe5c85e6ef37d52e8ec4bf200050d7a68ac9e29cf70d166e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java-rmi.exe

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe
        • Size 1.5MB
        • SHA256 42002ddbd0f8b5fbd92a54416e514cefeaad7a56337cb831897b16d12a92fc3b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PDFREFLOW.EXE

        • Path C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE
        • Size 2.1MB
        • SHA256 b0df82626bac49c040b8c56bcfaf81523be384dec177624a04f2162578a0545f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4604-76-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4672-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/4672-75-0x0000000000400000-0x000000000040F000-memory.dmp