General

  • Target

    file.exe

  • Size

    1.5MB

  • Sample

    231012-ckjyksbh87

  • MD5

    851bf268a05e3255907e0116b7650e33

  • SHA1

    4b6d6979de1e230fc285b27038f1724773f451f1

  • SHA256

    ff4f9910b90be29cefcab846119e16085ef48f192d1647310f6b06384635aa30

  • SHA512

    f9259b2e5e043c4b2f0d13743072159f586cedcba3ce5ee21fa44d4600834f0ceebe74b249b87f525b202591cc935bfd159c6cd2cbc63ae4dab1c95a3982d1e9

  • SSDEEP

    24576:iyPeDVCNFKO7n7qq5isP6wn/3yq++SIX0JDLOPnh8nE2i91ofl5dSFS9sH5YJjCr:JP+YI6qmgwn/iSX0luyasfl5mS90YJCj

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

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

pixelscloud

C2

85.209.176.171:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Extracted

Family

redline

Botnet

kukish

C2

77.91.124.55:19071

Targets

    • Target

      file.exe

    • Size

      1.5MB

    • MD5

      851bf268a05e3255907e0116b7650e33

    • SHA1

      4b6d6979de1e230fc285b27038f1724773f451f1

    • SHA256

      ff4f9910b90be29cefcab846119e16085ef48f192d1647310f6b06384635aa30

    • SHA512

      f9259b2e5e043c4b2f0d13743072159f586cedcba3ce5ee21fa44d4600834f0ceebe74b249b87f525b202591cc935bfd159c6cd2cbc63ae4dab1c95a3982d1e9

    • SSDEEP

      24576:iyPeDVCNFKO7n7qq5isP6wn/3yq++SIX0JDLOPnh8nE2i91ofl5dSFS9sH5YJjCr:JP+YI6qmgwn/iSX0luyasfl5mS90YJCj

    • 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

    • Uses the VBS compiler for execution

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks