Extracted

• • Target

    SolaraBootstrapper.exe

  • Size

    617KB

  • MD5

    ba3a75b046dca34cdc0eb91139ac3a6b

  • SHA1

    7cb6f6cc53fbc1d34732005616360868038e51f9

  • SHA256

    bf88cf4cc27b384d615ed9cf9468534c65f5336817d9f8c0695560380feda5b9

  • SHA512

    6ee0c8947faa0db7a5ee523c3b8c3fd12d2bd45ba5a445ffffcf0f34606007ec3d257329473375fa30dff0e053d4e26b7aa5c574e1179a414f0dc93f1993eb98

  • SSDEEP

    6144:45aMJNLwL73PZPkFr1jilzqqVWk6855JKSFtIooEbQ5mUHo7EB9mxXTSj3A+8dwg:4OxPkPjQeqQ1Y53KR5ZH/9mxXR+jWC7I

  Score

  10^/10

  umbralxwormcredential_accessexecutionpersistenceratspywarestealertrojan

  • Detect Umbral payload

  • Detect Xworm Payload

  • 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

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Drops file in Drivers directory

  • 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

  • Adds Run key to start application

    persistence

  • 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