Analysis

  • max time kernel
    121s
  • max time network
    111s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/04/2026, 04:27

General

  • Target
    2026-04-23_326859c8017677236f59723cc7d3ccf9_cobalt-strike_elex_hijackloader_icedid_rhadamanthys_smoke-loader_vidar.exe
  • Size 2.6MB
  • Sample260423-e3g8taax81
  • SHA256 6f92c6a5eadb26cfac7dc2e4550a34e40c04ad46305103c6f52b2ca229dfdd47
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    Detects executables packed with ASPack 10 IoCs
  • 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\2026-04-23_326859c8017677236f59723cc7d3ccf9_cobalt-strike_elex_hijackloader_icedid_rhadamanthys_smoke-loader_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_326859c8017677236f59723cc7d3ccf9_cobalt-strike_elex_hijackloader_icedid_rhadamanthys_smoke-loader_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:2964
  • 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:1992

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.6MB
        • SHA256 6f92c6a5eadb26cfac7dc2e4550a34e40c04ad46305103c6f52b2ca229dfdd47
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RdrCEF.exe$

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe$
        • Size 3.3MB
        • SHA256 5377d7c14821c5a819b51e5dde8f9a475f3f4f652330d089fe56832de2f1cb5d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge_X64_139.0.3405.125.exe$

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Download\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\139.0.3405.125\MicrosoftEdge_X64_139.0.3405.125.exe$
        • Size 2.7MB
        • SHA256 c13ac76590f69ed61b0f4b580c8bf3a591ac3d8e45fbc8234d990b965b88fa4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.2MB
        • SHA256 7da3eb13cfffbcdab219424d037f953ffb5faabd6a699fca16ddd0b29f6285e8
        • 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 2.7MB
        • SHA256 2d3c97df260a255dacc43ccb872734d058e3b9d9d65fd4cc327815d20e5481c5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe$
        • Size 2.9MB
        • SHA256 9f33f2b1c8ba690cc650b65bb82331f814f3964fe389fdafc9bc7665cf60fb0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1992-7-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/1992-71-0x0000000002070000-0x00000000020D0000-memory.dmp

        memory/1992-1350-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/2964-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/2964-70-0x0000000002160000-0x00000000021C0000-memory.dmp

        memory/2964-1348-0x0000000000400000-0x000000000040D000-memory.dmp