General

  • Target

    e06b8524545855f3bf88df52616feb140a1b40f5ae120c8f4ca6e886baf9ddcf.zip

  • Size

    1.4MB

  • Sample

    240402-l7k9laec7z

  • MD5

    4b2c43230ab00f481871b6a2cfa6f55c

  • SHA1

    c1b5614c4bfbdb830cf4e1fe8d47de2b414f8b59

  • SHA256

    8ef8f16ee0260550a5e9b83d9e01c38ff725b2ae1e9640795d38235c1857680b

  • SHA512

    7d64f1aded555d827cd7df8a39529bf5bed880111829dd9dd73cb30b7ddaab5d9e9161f2b5be7a4817571904f227f0a78854fefbb17c28c7f02604a60814fc73

  • SSDEEP

    24576:GjG0YY1Ducasv7qRy/zdcjo2Kzp5trNHbFoKKNX7T83fXWZpkKhYGZY+YACIEq:0twcz2Ry7d1r59BFwRT8f6XY+Ydq

Malware Config

Extracted

Family

mystic

C2

http://5.42.92.211/

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Targets

    • Target

      e06b8524545855f3bf88df52616feb140a1b40f5ae120c8f4ca6e886baf9ddcf.exe

    • Size

      1.4MB

    • MD5

      c884a128e4fd875c57886af1d22b7abc

    • SHA1

      4ca08d377f421a6559febd155d95b6b83ec92671

    • SHA256

      e06b8524545855f3bf88df52616feb140a1b40f5ae120c8f4ca6e886baf9ddcf

    • SHA512

      66935b3026202ffc9703aea5f2fe2d961806619d835ba49ce63aadc6d99bc74b6672ad5ded3160dc55cf7e9cd22fe3233cea6f8e4b391a7df06e54fa6e7c9c17

    • SSDEEP

      24576:2yvVa6RnDcXOGflJST7j9DiGlhHuMepNFxRzPaljDaGtvMSL/yJlqlh3c5:FvVVDcXn9ojNJlIMepNF3Mt/2Jl

    • Detect Mystic stealer payload

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks