General

  • Target

    a1a421723a1344677bbacf47a22a5571.exe

  • Size

    1.0MB

  • Sample

    231011-rnzwjacg6y

  • MD5

    a1a421723a1344677bbacf47a22a5571

  • SHA1

    21ce20f38775c9c781619d266ce7e8eb3d3bc48e

  • SHA256

    ba1f0cd9ae7a48c67c302e9e80873b3e98e064c6bd28dcea0411d8f9c48804f6

  • SHA512

    17a765cd3695a8db97d85f7e4ba662fdead06d7ab3ec3a5479f507b6fd08e0a95fd6c867c2720ac9e836b3be14b0b00190f4093266acd5956b066bb97b4ccaec

  • SSDEEP

    24576:Wyu0LsvNOtS7Ql1idGkU37yOulCiGwP6Sxv8/6fg:lu0LsFxQ/frziGcd0Y

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

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

kukish

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

6012068394_99

C2

https://pastebin.com/raw/8baCJyMF

Extracted

Family

redline

Botnet

pixelscloud

C2

85.209.176.171:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Targets

    • Target

      a1a421723a1344677bbacf47a22a5571.exe

    • Size

      1.0MB

    • MD5

      a1a421723a1344677bbacf47a22a5571

    • SHA1

      21ce20f38775c9c781619d266ce7e8eb3d3bc48e

    • SHA256

      ba1f0cd9ae7a48c67c302e9e80873b3e98e064c6bd28dcea0411d8f9c48804f6

    • SHA512

      17a765cd3695a8db97d85f7e4ba662fdead06d7ab3ec3a5479f507b6fd08e0a95fd6c867c2720ac9e836b3be14b0b00190f4093266acd5956b066bb97b4ccaec

    • SSDEEP

      24576:Wyu0LsvNOtS7Ql1idGkU37yOulCiGwP6Sxv8/6fg:lu0LsFxQ/frziGcd0Y

    • 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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks