General

  • Target

    file.exe

  • Size

    978KB

  • Sample

    231016-eng99sde93

  • MD5

    1864241f13246faf1a0cab015eaac63d

  • SHA1

    34b07cc75edbd2a8e9ee391cb47268608096236a

  • SHA256

    ce79b354eab68b9a756b6060191cd564d5cfba0fe99d14ff16eaad7c5bde4902

  • SHA512

    a69a65249eb309ba9d10c27798f9e4c2887fac1fbb4ed119aa8bd45b42e130f84912ff81c04a6304507ac785b8ff0aebc9acb03898f8c637c54f03e0454bea7e

  • SSDEEP

    12288:wMrby90y6LJlFtyop/LJvhFLrUtEWR2gEgwlFg8tO0uAhyzUC8jpKw8RH88jXrKZ:7yd6LrFthX1gFwXP8AoGmNXrKcsBXz

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.exe

    • Size

      978KB

    • MD5

      1864241f13246faf1a0cab015eaac63d

    • SHA1

      34b07cc75edbd2a8e9ee391cb47268608096236a

    • SHA256

      ce79b354eab68b9a756b6060191cd564d5cfba0fe99d14ff16eaad7c5bde4902

    • SHA512

      a69a65249eb309ba9d10c27798f9e4c2887fac1fbb4ed119aa8bd45b42e130f84912ff81c04a6304507ac785b8ff0aebc9acb03898f8c637c54f03e0454bea7e

    • SSDEEP

      12288:wMrby90y6LJlFtyop/LJvhFLrUtEWR2gEgwlFg8tO0uAhyzUC8jpKw8RH88jXrKZ:7yd6LrFthX1gFwXP8AoGmNXrKcsBXz

    • 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 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