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General

  • Target

    file

  • Size

    1.8MB

  • Sample

    231006-ctw99sag65

  • MD5

    dbbab62ee8416942d0cfd08a740509a9

  • SHA1

    0a410083ff1abe7c403e27b0089312099f10b178

  • SHA256

    82ee1ad2edf67bb4e1e94a1759c6adbf1ef4d235ab01165009d51dca66435bf2

  • SHA512

    db7be93ccaf58acc746d58637edfcc3459b7f4fa6a4870599f770b9a56bb9bc3a2e12613d150281ef75b1f02d8fed5ba50a36ac7db9e9ff29ae510d2965fae80

  • SSDEEP

    49152:yd/268bRZcM7phDUXvM7PaRiQk7cIJQCw9D5C1L6LS:VbRZJ7HGPvkQIO5C1L6O

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

    • Size

      1.8MB

    • MD5

      dbbab62ee8416942d0cfd08a740509a9

    • SHA1

      0a410083ff1abe7c403e27b0089312099f10b178

    • SHA256

      82ee1ad2edf67bb4e1e94a1759c6adbf1ef4d235ab01165009d51dca66435bf2

    • SHA512

      db7be93ccaf58acc746d58637edfcc3459b7f4fa6a4870599f770b9a56bb9bc3a2e12613d150281ef75b1f02d8fed5ba50a36ac7db9e9ff29ae510d2965fae80

    • SSDEEP

      49152:yd/268bRZcM7phDUXvM7PaRiQk7cIJQCw9D5C1L6LS:VbRZJ7HGPvkQIO5C1L6O

    • 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

    • Uses the VBS compiler for execution

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks