General

  • Target

    18a0a32340d190a5b8c803fa84bae012a4a6f8c89ef228a74e40c7edd89b343bN

  • Size

    1.4MB

  • Sample

    240920-3rm7pavfmq

  • MD5

    ce100b5ae4fe05c8fd8f44f7ad9f4b40

  • SHA1

    19a77380a68da11304c9ba7c1048f7257ba4951f

  • SHA256

    18a0a32340d190a5b8c803fa84bae012a4a6f8c89ef228a74e40c7edd89b343b

  • SHA512

    b19f7cd1b558ef7f598adb84726c94c885696c31efdbd981d07df17b908cb23fd7098b6f8f622d584033b55dba1d264f68a734e60bd81cb5d3f5600a542652ca

  • SSDEEP

    24576:6DiGBKBipGMOU5lRBixlkBg0BLchDLtVVi/FpPwgX2YVC0/xaTO3O:OiGBKBipGMOUXRBi4tuFtjCxB80/xP

Malware Config

Targets

    • Target

      18a0a32340d190a5b8c803fa84bae012a4a6f8c89ef228a74e40c7edd89b343bN

    • Size

      1.4MB

    • MD5

      ce100b5ae4fe05c8fd8f44f7ad9f4b40

    • SHA1

      19a77380a68da11304c9ba7c1048f7257ba4951f

    • SHA256

      18a0a32340d190a5b8c803fa84bae012a4a6f8c89ef228a74e40c7edd89b343b

    • SHA512

      b19f7cd1b558ef7f598adb84726c94c885696c31efdbd981d07df17b908cb23fd7098b6f8f622d584033b55dba1d264f68a734e60bd81cb5d3f5600a542652ca

    • SSDEEP

      24576:6DiGBKBipGMOU5lRBixlkBg0BLchDLtVVi/FpPwgX2YVC0/xaTO3O:OiGBKBipGMOUXRBi4tuFtjCxB80/xP

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Drops startup file

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks