Analysis

  • max time kernel
    116s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 15:00

General

  • Target
    2026-06-01_2db8b3cd37fbfaeffed1178d571f520c_amadey_cobalt-strike_elex_hijackloader_stealc_vidar_wannacry.exe
  • Size 1.9MB
  • Sample260601-sdmznagv8t
  • SHA256 3f4c0d5e61a296ced52eea3d751eb739307f74acc0818b7a4a00f4d3ce16b56d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 11 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 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\2026-06-01_2db8b3cd37fbfaeffed1178d571f520c_amadey_cobalt-strike_elex_hijackloader_stealc_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-01_2db8b3cd37fbfaeffed1178d571f520c_amadey_cobalt-strike_elex_hijackloader_stealc_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:1492
  • 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:1088

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.9MB
        • SHA256 3f4c0d5e61a296ced52eea3d751eb739307f74acc0818b7a4a00f4d3ce16b56d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\Installer\setup.exe$
        • Size 2.4MB
        • SHA256 4af7dcb63ad97afe749ef1c2e51e1f469d93432f2aede4b255091d0854ab5ef9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\Installer\setup.exe$
        • Size 2.4MB
        • SHA256 04403049c483055a33ce13524f2aa5723edc1f5c6aacf0709ace52627a268b5f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedgewebview2.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedgewebview2.exe
        • Size 2.0MB
        • SHA256 e16ee858dcd09a68df96e5be09da0c573298da05973d49600142baa5e5c00018
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.5MB
        • SHA256 1b1b02991311f66f7e041bef2f6c6da85443e3c36e1c8e7010c36aa3d868b14c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        misc.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe
        • Size 2.0MB
        • SHA256 ee6d216c84609fabb2e29fd405699ec9f503fbab4dce521e36a84c0bf88d8221
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\MicrosoftEdge.exe$
        • Size 2.2MB
        • SHA256 b04408dcd91f79c6638856132843fcd88d6f63c69789a3ff4cfbce1443fd5b5d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1088-7-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1088-71-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1492-0-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/1492-70-0x0000000000400000-0x000000000040F000-memory.dmp