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General

  • Target

    b5d9a9505185a0c641ca787907b4c89df167ee19a0de9156db23850ae35beada

  • Size

    1.5MB

  • Sample

    231004-k8rx4aad9w

  • MD5

    89d021dd8771595c88f9628a4066fd77

  • SHA1

    644bc646958135d21ae4a54ec48266ebd0325115

  • SHA256

    53e6cdf5604f4a5df61632886449dec3cb1fcd0f63aa813055f6076fb9c5072f

  • SHA512

    e73706bd7d39901833fd6e71c98d8df8e4cb390303bde36c52d39728179d6cf3fb24a0acd655bbc19e46f5181dd5714f08a5721075cbcceb8d36ab7d42160787

  • SSDEEP

    24576:hNs0ypTl5DmduVwmemMw/e53zPEGdSariqm/G0QTPduMQGfLqCtz7m6I+p2xZkzY:KpRRmd9mFZmZbTbJVt2Gg/HWLO

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

Attributes
  • auth_value

    295b226f1b63bcd55148625381b27b19

Targets

    • Target

      b5d9a9505185a0c641ca787907b4c89df167ee19a0de9156db23850ae35beada

    • Size

      1.5MB

    • MD5

      8139bcc143dd180a9bce07afae0050fd

    • SHA1

      65324ac04dcfbed24e98d08ee938099dd5a98144

    • SHA256

      b5d9a9505185a0c641ca787907b4c89df167ee19a0de9156db23850ae35beada

    • SHA512

      f8f6e4ea7a8589bd19be05ed2d30a13f5b6291af7045263c5b8f4039de2f421b44f4ba26f10f21fbe52bc0bf4b1ee24cdd1c725331a793d52790c42ba36ddcd1

    • SSDEEP

      24576:nyZTlHptk8mww7e5lzPEMdVlEslmRG0YTh7uMKGfPUCZP7mUjiZkzFwA5fPMb3Dj:yZRfkvlijFVTrLvSOMbPWp

    • 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

    • 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