Extracted

• • Target

    Umbral (1).exe

  • Size

    227KB

  • MD5

    f6aeb1204375bc9a4ea0cfa7a1a76ba5

  • SHA1

    e659b3e54d32f44bf915d64c51bb512e58a7eeea

  • SHA256

    0ddc72fe91b271d21fbaafd017168c9b5370d362d7bd3e60928490ab4d1fac96

  • SHA512

    75ffba3ec1f5e05684ab0b99af42a518735324355745f0f9e3ba057627b746a948b86331e281db1bc2064f504af334118cb29807cb97b6579723e144d7acbd41

  • SSDEEP

    6144:+loZMLrIkd8g+EtXHkv/iD44VShOsTPkZFQu//OzCb8e1mJdi:ooZ0L+EP84VShOsTPkZFQu//O6B

  Score

  10^/10

  umbralcredential_accessdiscoveryexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • 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

  • 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