Analysis

  • max time kernel
    112s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/04/2026, 10:38

General

  • Target
    2026-04-20_a69b3f16f4fa3acf0d1f1b86303ab531_cobalt-strike_elex_hijackloader_icedid_rhadamanthys_smoke-loader_vidar.exe
  • Size 2.8MB
  • Sample260420-mphanafy9m
  • SHA256 828e9b63ab79913d54a52c4516fbb46ec1b14353448996ead55b47d6ba98ba52
  • 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\2026-04-20_a69b3f16f4fa3acf0d1f1b86303ab531_cobalt-strike_elex_hijackloader_icedid_rhadamanthys_smoke-loader_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-20_a69b3f16f4fa3acf0d1f1b86303ab531_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:3816
  • 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:3904

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.8MB
        • SHA256 828e9b63ab79913d54a52c4516fbb46ec1b14353448996ead55b47d6ba98ba52
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe$

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe$
        • Size 3.2MB
        • SHA256 66761fbb82e3beca693b2ecb3c13422c78d525b424efec229aee0def71746fde
        • MD5 SHA1 SHA512 SSDEEP TLSH

        identity_helper.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\identity_helper.exe
        • Size 2.9MB
        • SHA256 9f3150681728fd195d30daf306f1f1c1e862217640ed3ffff0fb700aff56c68e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.3MB
        • SHA256 bef64822c550571ae3b01b3a94201d8deedde442dde520b053976a1d5c3a8f8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe$

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe$
        • Size 2.8MB
        • SHA256 26489121021b5c812ddef8f11b8481d19fcf23b4562f80490b2affe16f68cf23
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftEdge.exe$

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\MicrosoftEdge.exe$
        • Size 3.0MB
        • SHA256 4dcb2e7e90acd910ad8dd093c5d12192fd88bca44b32b7d512a87688ca3ba8c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3816-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3816-1332-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3904-7-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3904-1333-0x0000000000400000-0x000000000040D000-memory.dmp