General

  • Target

    file.exe

  • Size

    978KB

  • Sample

    231018-ryj8tsgf52

  • MD5

    27ece47f0318ecf3c1e936ef50c8932e

  • SHA1

    00c8dbe98ae24774a7b32e5b9c3c472b8e762f02

  • SHA256

    a8db6bf72fb914dd1b8ae8c9d42fb5e1a9a096fcd573d64fc3e48d05a94074ec

  • SHA512

    6d6f41ffe60739580c4e8a0eeff269381df41e4749868afb9d74e9938e559bb9176c16737eb64e059c2fdd146d10d80d6fac237374c21b9433092b1d5a900c16

  • SSDEEP

    24576:RywQbD7eFvJ1QNODkCxabQXe3Y45KYTkMtIdoqYP:EwQbD7MANOD9xawQZtIdoV

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

Extracted

Family

redline

Botnet

5141679758_99

C2

https://pastebin.com/raw/8baCJyMF

Targets

    • Target

      file.exe

    • Size

      978KB

    • MD5

      27ece47f0318ecf3c1e936ef50c8932e

    • SHA1

      00c8dbe98ae24774a7b32e5b9c3c472b8e762f02

    • SHA256

      a8db6bf72fb914dd1b8ae8c9d42fb5e1a9a096fcd573d64fc3e48d05a94074ec

    • SHA512

      6d6f41ffe60739580c4e8a0eeff269381df41e4749868afb9d74e9938e559bb9176c16737eb64e059c2fdd146d10d80d6fac237374c21b9433092b1d5a900c16

    • SSDEEP

      24576:RywQbD7eFvJ1QNODkCxabQXe3Y45KYTkMtIdoqYP:EwQbD7MANOD9xawQZtIdoV

    • 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.

    • Glupteba payload

    • 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 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.

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks