Extracted

• • Target

    Umbral.exe

  • Size

    229KB

  • MD5

    be8a080b13f974b263848937951070b4

  • SHA1

    c04017906c786381ee5c9c5a3a81c9cf21c5d1d7

  • SHA256

    daa35ab2edbc13b7f37306b80893dac1af18fb05c0d1b9f48c1703c7aeed1fdb

  • SHA512

    f7a3c1c20d4a2a9311e578671d889b05f2e39e55b3c4c1d92d712ea094dbb27bd50fd57234701ec2e84fb29a106130a2ec968061907c7fbd1b58d4b58665e9df

  • SSDEEP

    6144:lloZM9rIkd8g+EtXHkv/iD4e0GesyVtG3TOMdRYIiOb8e1mroa6i:noZOL+EP8e0GesyVtG3TOMdRY3y6oa/

  Score

  10^/10

  umbraldiscoveryexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • Umbral family

    umbral

  • 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

  • Deletes itself

  • 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