Extracted

• • Target

    FunChecker.exe

  • Size

    7.0MB

  • MD5

    84a2cb1d7bd73f291bc99188eb702114

  • SHA1

    93c2ebc09dfadf515fb6075f57f93aff693f2e16

  • SHA256

    1707093d8ee6f93cc5938d2c46eddb565c1ae217587ae43ab0c8ae6a3d2ccf8f

  • SHA512

    d33655c5c0cdaa062a5888e16ea91330c63f22d5475c94c16fcf7c2021820c051ea2a09fc6572a5a436ec0fb0f49a37c5c7e615e340999d4ade64c2231c077a2

  • SSDEEP

    196608:TBE2AD5NnNVtIwOUj+pq6bpMMbmvqxk3btIJ0jSQ9:TBE2ADnNVGwOUjwqspM2mvekt

  Score

  10^/10

  umbralevasionexecutionpersistencespywarestealerthemidatrojan

  • Detect Umbral payload

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    evasion

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Drops file in Drivers directory

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file

  • Executes dropped EXE

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • Adds Run key to start application

    persistence

  • Checks whether UAC is enabled

    evasiontrojan

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1