Extracted

• • Target

    C37Bootstrapper.exe

  • Size

    407KB

  • MD5

    2a25b9d935c4fe0a9f85251ecabfd923

  • SHA1

    bebbdce90e0ba9eb1cf388f0db17dbb97775e9e2

  • SHA256

    b5015182ecaa7561f27090fb7b2aab0decbbffc94606225b12676dc720266498

  • SHA512

    08f31d8e8867fcdadb209d28ad3f654b694fe5ec19a289871d758ab75d7759f08c4b8f01c789be22c2e83dafa8ec9e861479003e1e091038074471c701bf9dbf

  • SSDEEP

    6144:oloZMLrIkd8g+EtXHkv/iD4I7lXrRiK1AwBzOurZpjb8e1mVi4qkRH:2oZ0L+EP8I7lXrRiK1AwBzOurzr4J

  Score

  10^/10

  umbralexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • 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

  • Reads user/profile data of web browsers

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

    spywarestealer

  • 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.

  behavioral1behavioral2