General

  • Target

    521a4e221567cb100819f9f2a838769e.exe

  • Size

    866KB

  • Sample

    231019-16h56scc5z

  • MD5

    521a4e221567cb100819f9f2a838769e

  • SHA1

    603f54dc43d35fb80b75daf23ce0f2c7d4f3b557

  • SHA256

    1a2c2245d13efea03727190dc9de4fa34d4a0e46c734b2ba6e384a28f21850ee

  • SHA512

    af66e15b744cff1c211bbe07b736336d2315d4b0fa7c9cb8f7b9feac2c6b2346bcb80aa60e0aefd6c419b16002df9b441f402726f452d2d6a3b0fa1c69ee8733

  • SSDEEP

    12288:8Mrny90LkvrbvjHVlYOx1VMopKlRFASjdwViNXzECXIvoc8sa9HUWvo:zyUkvfL8jd3WBocJa9HBQ

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

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

smokeloader

Botnet

up3

Extracted

Family

redline

Botnet

5141679758_99

C2

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

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

tests2

C2

185.216.70.238:37515

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

Targets

    • Target

      521a4e221567cb100819f9f2a838769e.exe

    • Size

      866KB

    • MD5

      521a4e221567cb100819f9f2a838769e

    • SHA1

      603f54dc43d35fb80b75daf23ce0f2c7d4f3b557

    • SHA256

      1a2c2245d13efea03727190dc9de4fa34d4a0e46c734b2ba6e384a28f21850ee

    • SHA512

      af66e15b744cff1c211bbe07b736336d2315d4b0fa7c9cb8f7b9feac2c6b2346bcb80aa60e0aefd6c419b16002df9b441f402726f452d2d6a3b0fa1c69ee8733

    • SSDEEP

      12288:8Mrny90LkvrbvjHVlYOx1VMopKlRFASjdwViNXzECXIvoc8sa9HUWvo:zyUkvfL8jd3WBocJa9HBQ

    • 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

    • Stops running service(s)

    • .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.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks