General

  • Target

    NEAS.NEAS50b1825f16b82d77b03de5fd34e4de8466608ac4c04954115cf5a7bbc3fe6d32exeexe_JC.exe

  • Size

    880KB

  • Sample

    231016-pp5gasge29

  • MD5

    b6e53965347c7e8359fe0db03a7d905b

  • SHA1

    cc2b7e798494ff27d754a51951d3645d25b0f6bf

  • SHA256

    50b1825f16b82d77b03de5fd34e4de8466608ac4c04954115cf5a7bbc3fe6d32

  • SHA512

    750f9dfeaf5432f78e4c0e9152d8f5cdaea001743372e075c2b3e02d64a4b1d79ed2141ef1ebfc17d2f8d7ed2494ae9cc15f67c6c7a404a41f9b1c228d372f31

  • SSDEEP

    12288:FMrVy90o92e1ceqmk8RMLjnIc04b5pvA9ZuqIk82kL1tGAVXPrnwtvr6ukvxyapI:4yN9gexVsnI6vkKukL1tlVLUT6vs8Qv

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

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

pixelscloud2.0

C2

85.209.176.128:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Targets

    • Target

      NEAS.NEAS50b1825f16b82d77b03de5fd34e4de8466608ac4c04954115cf5a7bbc3fe6d32exeexe_JC.exe

    • Size

      880KB

    • MD5

      b6e53965347c7e8359fe0db03a7d905b

    • SHA1

      cc2b7e798494ff27d754a51951d3645d25b0f6bf

    • SHA256

      50b1825f16b82d77b03de5fd34e4de8466608ac4c04954115cf5a7bbc3fe6d32

    • SHA512

      750f9dfeaf5432f78e4c0e9152d8f5cdaea001743372e075c2b3e02d64a4b1d79ed2141ef1ebfc17d2f8d7ed2494ae9cc15f67c6c7a404a41f9b1c228d372f31

    • SSDEEP

      12288:FMrVy90o92e1ceqmk8RMLjnIc04b5pvA9ZuqIk82kL1tGAVXPrnwtvr6ukvxyapI:4yN9gexVsnI6vkKukL1tlVLUT6vs8Qv

    • 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

    • .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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks