General

  • Target

    malicious.zip

  • Size

    1.8MB

  • Sample

    241113-2zl4xszpev

  • MD5

    6e21499d32f36f93fa176f38fb4b9b77

  • SHA1

    63136b30330cf86527a87f986c5eb5dffaba66f6

  • SHA256

    4f39c7599a824ba6f9698eb2ccf780ee4aa30a427ea3b8acc4254916068e07d4

  • SHA512

    5d665ce32e9fedc302c0487fc49c5f808f47e6fae7628926498931e50d98d03ff3d0ee5fb8cf0fa7c0c3a2b54e2f18d19a376ad9284b06433b9154b9d09dbe0c

  • SSDEEP

    49152:R5BZHSCcUzdE+vpwuSXg3Hbr0ntqYHqcB:R57RniuSXQ7r0tqYKY

Malware Config

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Targets

    • Target

      malicious.zip

    • Size

      1.8MB

    • MD5

      6e21499d32f36f93fa176f38fb4b9b77

    • SHA1

      63136b30330cf86527a87f986c5eb5dffaba66f6

    • SHA256

      4f39c7599a824ba6f9698eb2ccf780ee4aa30a427ea3b8acc4254916068e07d4

    • SHA512

      5d665ce32e9fedc302c0487fc49c5f808f47e6fae7628926498931e50d98d03ff3d0ee5fb8cf0fa7c0c3a2b54e2f18d19a376ad9284b06433b9154b9d09dbe0c

    • SSDEEP

      49152:R5BZHSCcUzdE+vpwuSXg3Hbr0ntqYHqcB:R57RniuSXQ7r0tqYKY

    • Detect Mystic stealer payload

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • Mystic family

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Redline family

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Smokeloader family

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks