Extracted

Extracted

• • Target
    Output.exe
  • Size 275KB
  • SHA256 cbe6c436d56be7bfd4cc44f3b22ce7641dd4ad569682b2c649b8887ce366f2a5
  • MD5 a2a1ed0e2087fe2981e2c1955b210683
  • SHA1 73ad4a37d6da5186211426b255460d10a10cb34c
  • SHA512 3ea3315870601d2d6bfec049fc9022db4d0b002bede34b98abbbfbead3533257be2583a0a8eb026aac9dc597e2ebbae755ac0e84e6ebac8bf668d317cf993fd7
  • SSDEEP 6144:LJbHfwOK4TzTQJafD32sGfzVG1WpofqosUpkagCo:JwOKjJUwkwpFosUp7
  • TLSH
    T11A541258A7AC8070E30BD9F14D7BF411953ACE1A65B3713BA3561BD348A3356F2ABC48
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  defense_evasiondiscoveryexecutionumbralxwormpersistenceprivilege_escalationratspywarestealertrojan

  • Detect Xworm Payload

  • Detects Umbral payload

  • Family: Umbral

    Umbral stealer is an open-source modular stealer written in C#.

    stealerumbral

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Disables one or more Microsoft Defender components

    Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    defense_evasion

  • Drops file in Drivers directory

  • Checks computer location settings

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

  • Creates a file in the Startup directory

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation

  • Disables automatic submission of suspicious files to Microsoft by Windows Defender

    Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

    defense_evasion

  • Executes dropped EXE

  • 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

  • Contacts third-party web service commonly abused for C2

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service

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

    discovery
  behavioral1behavioral2