Extracted

• • Target

    EZTEAM.exe

  • Size

    4.6MB

  • MD5

    631c9f13ed307ab87ea9c913705fdbc5

  • SHA1

    33bd6f5e1087f3e2f345387cd576405750a3cbf2

  • SHA256

    b0024dd1d6af38b098b2ae0fc79ca693f55e145b01f8e31c29be40089070b0df

  • SHA512

    0104a56bfa48603ac2dc2c4bd71ade7b79f3d2fec24ceb0dfaff2edd52c340d3e1eefe47bb64ab4d6b1b89b9b559125120a794e2e4382ff0a3391c04426114e6

  • SSDEEP

    98304:I4oWcj2LFBbvcp4CFa6DJjJhF1dPH9BQ/CEckk6:ICzTNC31J1K/1/

  Score

  10^/10

  umbralxwormcredential_accessdiscoveryevasionexecutionpersistenceratspywarestealerthemidatrojan

  • Contains code to disable Windows Defender

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Umbral payload

  • Detect Xworm Payload

  • Modifies Windows Defender Real-time Protection settings

    evasiontrojan

  • UAC bypass

    evasiontrojan

  • Umbral

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

    stealerumbral

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • 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.

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • 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