General

  • Target

    file.exe

  • Size

    978KB

  • Sample

    231016-cwv5zsbc21

  • MD5

    afca0ee610c92a08b7d8495d24d14def

  • SHA1

    49b1e8deae526a323fa5ac736cb854e7f9451338

  • SHA256

    69670e46eaa4c19d38868f7db5c23af2a6dd2d711f1cfd694f70e2d907b57990

  • SHA512

    40af4c036cc29187278fe02ac6c56480d0fcc5b88d327ecf08a0e4053fd7bcbe141c43c54df070a959d280e8b2410e5da51bbeadd0b3be8bf52194fe297cc840

  • SSDEEP

    24576:ay+YYQFN53a9sQI7NbACEtKhmeYh1cVB25/6/:h+VQF3ZmCEUhk8e5/

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

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

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.exe

    • Size

      978KB

    • MD5

      afca0ee610c92a08b7d8495d24d14def

    • SHA1

      49b1e8deae526a323fa5ac736cb854e7f9451338

    • SHA256

      69670e46eaa4c19d38868f7db5c23af2a6dd2d711f1cfd694f70e2d907b57990

    • SHA512

      40af4c036cc29187278fe02ac6c56480d0fcc5b88d327ecf08a0e4053fd7bcbe141c43c54df070a959d280e8b2410e5da51bbeadd0b3be8bf52194fe297cc840

    • SSDEEP

      24576:ay+YYQFN53a9sQI7NbACEtKhmeYh1cVB25/6/:h+VQF3ZmCEUhk8e5/

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • 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.

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Modifies Windows Firewall

    • .NET Reactor proctector

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Manipulates WinMonFS driver.

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks