General

  • Target

    8c74c164f00c756f985bbd40e212f895fb57bbf4eb8dadf1759790b0d9aa42b2

  • Size

    232KB

  • Sample

    231014-bzlv2sbg82

  • MD5

    3a495308f90797cb351b2a6c13fa8339

  • SHA1

    e8548d63da37f0aced743ffe1d44029bf3297855

  • SHA256

    8c74c164f00c756f985bbd40e212f895fb57bbf4eb8dadf1759790b0d9aa42b2

  • SHA512

    d6323042061d62216eec222cc27335abe0c95a44b5a102d871502631437e0578c9e1a48a33da51914641409ff78771235879a481dae992204d77b4a607bee779

  • SSDEEP

    6144:CrAiKL/yfYb5B+BO99c0s0ZVtAO+gb+D6E9:mA//yfYb5BIQZVtUs+39

Malware Config

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

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

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain

Extracted

Family

redline

Botnet

pixelscloud

C2

85.209.176.171:80

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Targets

    • Target

      8c74c164f00c756f985bbd40e212f895fb57bbf4eb8dadf1759790b0d9aa42b2

    • Size

      232KB

    • MD5

      3a495308f90797cb351b2a6c13fa8339

    • SHA1

      e8548d63da37f0aced743ffe1d44029bf3297855

    • SHA256

      8c74c164f00c756f985bbd40e212f895fb57bbf4eb8dadf1759790b0d9aa42b2

    • SHA512

      d6323042061d62216eec222cc27335abe0c95a44b5a102d871502631437e0578c9e1a48a33da51914641409ff78771235879a481dae992204d77b4a607bee779

    • SSDEEP

      6144:CrAiKL/yfYb5B+BO99c0s0ZVtAO+gb+D6E9:mA//yfYb5BIQZVtUs+39

    • 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.

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • 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

    • 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.

    • 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