Extracted

• • Target

    FunChecker.exe

  • Size

    7.0MB

  • MD5

    cd5e05decba2efa424ffe3b1028e4beb

  • SHA1

    c88f7567b2a3d935629144d4d4156f3345bf0d0a

  • SHA256

    1e1cf8d9ffdcedcd6365c2fd65455c8970a930aa5409191f2dbd923250a077fc

  • SHA512

    ea30615ca2c0ec1bc9ccf0e755f0f1253a8e8e566a3bb4fb2c9dfb79cd90bb6fa81df4fdd79de01c86917a57d22edfab51e3970d055d7ac502fb00cc99d47441

  • SSDEEP

    196608:fBE2AD5NnNVtIwOUj+pq6bpMMbmvqxk3btIJ0jSQ9:fBE2ADnNVGwOUjwqspM2mvekt

  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