Extracted

• • Target

    image.png

  • Size

    3.5MB

  • MD5

    8dcb5ab2438ee1b7734ac77f5177fd7b

  • SHA1

    b3c7014845ce8eda6747252a869d165938afdd6f

  • SHA256

    8d62dd9dda1bb9e5f8f48f0d6eb03d04674d717ad89e1c79da9cfe48a5c02189

  • SHA512

    c16f07ccd4c5203c114b495f1d0a85eef157b1b8b202cecd93917439cfa7eba7db5e64924c6b1d25c32eb8ca17c02678eba243686a8940bd4fde126d769f8f0e

  • SSDEEP

    98304:w5mgUbqxQr5/JtQ/vazlXyy2bONC3dkThlDLXeycdESyJDDutM9T7UXF4r6e2:w5mRbqxQNQ/yz192/dkPreycVQPuS9Te

  Score

  10^/10

  njratumbralxwormdiscoveryevasionexecutionpersistencephishingprivilege_escalationratspywarestealertrojan

  • Detect Umbral payload

  • Detect Xworm Payload

  • Njrat family

    njrat

  • Umbral

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

    stealerumbral

  • Umbral family

    umbral

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat

  • 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

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Modifies Windows Firewall

    evasion

  • A potential corporate email address has been identified in the URL: [email protected]

    phishing

  • 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.

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads user/profile data of web browsers

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

    spywarestealer

  • 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.

  behavioral1