General

  • Target

    b845d0fcdba96d43d571a8a8500c9f2db33cd9f8bf03dc75f7a36a97d35ccac7.zip

  • Size

    1.2MB

  • Sample

    240402-l7j2jaec7s

  • MD5

    89cebc9235deb09099cbd38da415e8a7

  • SHA1

    836d36aacb065beaa606cd2d14863c5234b493c8

  • SHA256

    0ecdeb9eac651a4d90a243b9f3a41417944309ee5fade459f1f0c8406c9d7e4d

  • SHA512

    f43fec2f6dc8cd54434eefc3b0d618bdcecc295bebfb8acc2b39143393324d958505f0ea83252656364258e68facb7837af2ae21151d186e51904ce20d679d43

  • SSDEEP

    24576:HcGEjf3fYdpSPxhV6WNUqTyUVBux3EcVpz/HwKkvO0CZ:HcGEb3fYdpUR6+Ul//HwKxfZ

Malware Config

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

      b845d0fcdba96d43d571a8a8500c9f2db33cd9f8bf03dc75f7a36a97d35ccac7.exe

    • Size

      1.3MB

    • MD5

      569fd5339c6db72ca8fbee60173223f7

    • SHA1

      4cc659429c5dc5b69693f7e9da24e553d61fafe3

    • SHA256

      b845d0fcdba96d43d571a8a8500c9f2db33cd9f8bf03dc75f7a36a97d35ccac7

    • SHA512

      5ba01cb36f3902eea832a7021b0857f2894851b1163717465baf8960a2b45404a4e097eae1d3723c0e1c708ba1674981d769d8874bc2a32310e11141bea19c18

    • SSDEEP

      24576:cyGJ/IEZe2uHX0qnzDhxVpYv7oqYi++MwPHeBUmd879lYOE2DbEwUS69gvyBORS4:LGZfg2a0qNaoH9+MwfeauOEAEwUX6qk

    • 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