General

  • Target

    NeverSense.exe

  • Size

    231KB

  • Sample

    250119-ls1qqstnbm

  • MD5

    7414d4b850e9a986b199a741613a5fd0

  • SHA1

    797ac658f7371c68e64e94b1ac5df8d80b120710

  • SHA256

    a68b90e0481fc97117d68b197e3149e98f9040ea0b1b70f83a1f0de9825124d0

  • SHA512

    ecec7ad30472c366a9bdada5de639471efd207a297c7652f17343bbd83f94b0486ade175b40272a31c052b7559c32ce4bd9fe8be0ad63fccbfb753db41ca6c00

  • SSDEEP

    6144:RloZM+rIkd8g+EtXHkv/iD4YfF8Ye5xy9XKYZd8N3b8e1mu/i:joZtL+EP8YfF8Ye5xy9XKYZd8Bg

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1330470964814811187/nOopmsgXPxOZUs11NCxKWmZd3atKXJgfSorOw-E1yoR8uPiRIsApWmEwXiHKMjYy8pJX

Targets

    • Target

      NeverSense.exe

    • Size

      231KB

    • MD5

      7414d4b850e9a986b199a741613a5fd0

    • SHA1

      797ac658f7371c68e64e94b1ac5df8d80b120710

    • SHA256

      a68b90e0481fc97117d68b197e3149e98f9040ea0b1b70f83a1f0de9825124d0

    • SHA512

      ecec7ad30472c366a9bdada5de639471efd207a297c7652f17343bbd83f94b0486ade175b40272a31c052b7559c32ce4bd9fe8be0ad63fccbfb753db41ca6c00

    • SSDEEP

      6144:RloZM+rIkd8g+EtXHkv/iD4YfF8Ye5xy9XKYZd8N3b8e1mu/i:joZtL+EP8YfF8Ye5xy9XKYZd8Bg

    • Detect Umbral payload

    • Umbral

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

    • Umbral family

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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

    • Deletes itself

    • 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