General

  • Target

    file

  • Size

    978KB

  • Sample

    231016-ed6j4sde76

  • MD5

    fe83091698531a744d878c1f5b852851

  • SHA1

    6f2dbd043327e1c3f27f214bcc0589f1fed476a7

  • SHA256

    f45a9240705729b92ee2c710a7273cfcff2f44bcdcf54abfa6e9cce3d1cd3f49

  • SHA512

    473750aa9b2dc432a770e89f7daf1b4103a055946dfa72b07d27b96f83bc3ce9323bf3815ee8dc75600c27b63a636611784c2cbcf0cd1097f6db2944c1faf047

  • SSDEEP

    24576:AyxGftXAxSWgHDiKW+sfVFEu2N3ulrRzZkL:HxQ3DiK2fVqu2Nyz

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

Extracted

Family

redline

Botnet

kukish

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

pixelscloud2.0

C2

85.209.176.128:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Targets

    • Target

      file

    • Size

      978KB

    • MD5

      fe83091698531a744d878c1f5b852851

    • SHA1

      6f2dbd043327e1c3f27f214bcc0589f1fed476a7

    • SHA256

      f45a9240705729b92ee2c710a7273cfcff2f44bcdcf54abfa6e9cce3d1cd3f49

    • SHA512

      473750aa9b2dc432a770e89f7daf1b4103a055946dfa72b07d27b96f83bc3ce9323bf3815ee8dc75600c27b63a636611784c2cbcf0cd1097f6db2944c1faf047

    • SSDEEP

      24576:AyxGftXAxSWgHDiKW+sfVFEu2N3ulrRzZkL:HxQ3DiK2fVqu2Nyz

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks