Extracted

• • Target

    Umbral.exe

  • Size

    231KB

  • MD5

    dae35caa4639b153b0531ec0ed895a79

  • SHA1

    03326ba6ddbc338f6165697e86a1439826c7af2b

  • SHA256

    23f54c809daf84b074a3286df27497739b43f5f98a521e29050a5083f2d405e7

  • SHA512

    a270a4212187e2292f1b9884c916232fbabfdc45356a32896150c7b7d93a3d9abe173281bff90f7ab35654abce82cba9c55ebeb98de8c612241277ea48bc5d12

  • SSDEEP

    6144:xloZM+rIkd8g+EtXHkv/iD4bhIqlZ8e1mKgi:DoZtL+EP8v7/

  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

    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.

  behavioral1