Extracted

• • Target

    https://cdn.discordapp.com/attachments/1128768775949389844/1170554457503838258/ConsoleApplication1_protected.exe?ex=655976ca&is=654701ca&hm=9359f9c36307ef7f4d225a9451f15ee3d8fc911ca490483440dc9abb34ffe355&

  Score

  10^/10

  umbralmicrosoftevasionphishingspywarestealerthemidatrojan

  • 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

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Checks BIOS information in registry

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

  • 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

  • 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.

  • Detected potential entity reuse from brand microsoft.

    phishingmicrosoft

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1