General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    231004-t5eyssfa73

  • MD5

    c6d25a78bfd434d75de0d9247c015fa8

  • SHA1

    042b1496df1aa873a3ea01156572900acbbf985e

  • SHA256

    1d532e5b31ea590fa45f778de590441bdcde5fec3fd17d5da7aba799ac9c3b37

  • SHA512

    c87317459775110d5298f2668dada3b9ea055b297ce9b376fb225de97bde9595896dd8a43c2625c33ac970cf834c4f8445f264393f844c6aaae7305f707d237e

  • SSDEEP

    49152:MSD+XPHDmgDE4AGVCLZ3HHDARrCrioUcwo/VvwoMS2:r4j1JQHj6SiNcVVwor

Malware Config

Extracted

Family

redline

Botnet

frant

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

gigant

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

@ytlogsbot

C2

176.123.4.46:33783

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      c6d25a78bfd434d75de0d9247c015fa8

    • SHA1

      042b1496df1aa873a3ea01156572900acbbf985e

    • SHA256

      1d532e5b31ea590fa45f778de590441bdcde5fec3fd17d5da7aba799ac9c3b37

    • SHA512

      c87317459775110d5298f2668dada3b9ea055b297ce9b376fb225de97bde9595896dd8a43c2625c33ac970cf834c4f8445f264393f844c6aaae7305f707d237e

    • SSDEEP

      49152:MSD+XPHDmgDE4AGVCLZ3HHDARrCrioUcwo/VvwoMS2:r4j1JQHj6SiNcVVwor

    • 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.

    • Detect Mystic stealer payload

    • Detects Healer an antivirus disabler dropper

    • 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.

    • 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