General

  • Target

    file

  • Size

    1.3MB

  • Sample

    230920-2g62daba51

  • MD5

    2a84e38f867c90f884c679f077bc30fd

  • SHA1

    c4feee3eb509e06ebc943078d2e48f1b30062b6b

  • SHA256

    f2d7edc7925c6833f74b5a354f0b0a8edc82cb6adae7e8779ef36bf3250e3d8b

  • SHA512

    2890c46856dac768c7cec09d2128582e12b8beb182896734be2bbb6d8046a4b4aa95cc0136a384d7c7508b67e21d5923b6b35f29ed1b02a08181e5737c5d5c8d

  • SSDEEP

    24576:XyAMkE/zI/qRlZWyQxXgGGqbhnQZi4FtOgAqjDqwdNvGBcBvzM0h3OmboFcxvnd:iAu/zI/ylw/txbhQi4OgTD95GUzx3OOP

Malware Config

Extracted

Family

redline

Botnet

trush

C2

77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      file

    • Size

      1.3MB

    • MD5

      2a84e38f867c90f884c679f077bc30fd

    • SHA1

      c4feee3eb509e06ebc943078d2e48f1b30062b6b

    • SHA256

      f2d7edc7925c6833f74b5a354f0b0a8edc82cb6adae7e8779ef36bf3250e3d8b

    • SHA512

      2890c46856dac768c7cec09d2128582e12b8beb182896734be2bbb6d8046a4b4aa95cc0136a384d7c7508b67e21d5923b6b35f29ed1b02a08181e5737c5d5c8d

    • SSDEEP

      24576:XyAMkE/zI/qRlZWyQxXgGGqbhnQZi4FtOgAqjDqwdNvGBcBvzM0h3OmboFcxvnd:iAu/zI/ylw/txbhQi4OgTD95GUzx3OOP

    • Detects Healer an antivirus disabler dropper

    • Glupteba

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

    • Glupteba payload

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks