General

  • Target

    d3ccce85ce8dfc4087cca43248f44920N.exe

  • Size

    394KB

  • Sample

    240825-144zvszdrm

  • MD5

    d3ccce85ce8dfc4087cca43248f44920

  • SHA1

    547a8a789d9167946b5e80a1123ff0aedd04be37

  • SHA256

    d87db916c3d491a3616f4db964b0af304b44e82240508aae6cf0616939cc937f

  • SHA512

    5b025da2ad754d4e95a9d3ca58af01fc666c7350056e92d781cfbf5c76d19eaebecef3bcc4c2fd2c05ae55f9c71581d39f6b57869c22897bf516c99f4a908e8d

  • SSDEEP

    6144:YloZMArIkd8g+EtXHkv/iD4BAHCtxdc8e1mQCiNUhcX7elbKTuq9bfF/H9d9n:GoZHL+EP8y2xw5XN3X3uO

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1272664137763393670/JPb5q1OpnwuHleFJcm8agYhCNooeHlNojD8boHLf9oz1TIRIZ19Jz1eiAMETB0SUKNAS

Targets

    • Target

      d3ccce85ce8dfc4087cca43248f44920N.exe

    • Size

      394KB

    • MD5

      d3ccce85ce8dfc4087cca43248f44920

    • SHA1

      547a8a789d9167946b5e80a1123ff0aedd04be37

    • SHA256

      d87db916c3d491a3616f4db964b0af304b44e82240508aae6cf0616939cc937f

    • SHA512

      5b025da2ad754d4e95a9d3ca58af01fc666c7350056e92d781cfbf5c76d19eaebecef3bcc4c2fd2c05ae55f9c71581d39f6b57869c22897bf516c99f4a908e8d

    • SSDEEP

      6144:YloZMArIkd8g+EtXHkv/iD4BAHCtxdc8e1mQCiNUhcX7elbKTuq9bfF/H9d9n:GoZHL+EP8y2xw5XN3X3uO

    • Detect Umbral payload

    • Umbral

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Reads user/profile data of web browsers

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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks