General

  • Target

    NEAS.At7Vx21exe_JC.exe

  • Size

    1.2MB

  • Sample

    231006-shn3hsff58

  • MD5

    a584375a3a50d98e7033a22b0cc65f11

  • SHA1

    738b1949ea41e1d788f7eae32522fd646c0c3b54

  • SHA256

    1b9c0b588ae0fc8fe3576c37e2c552152d7df0a5ecb92ed277e6ae6f89386855

  • SHA512

    c74d763da8746b68bc4c8033e8730372b6b85c3285e387b9c92ff541c063ffd3799816841d125320eaed697e8c1aa488f2bd13d5b100a8fd599a45e966e62afd

  • SSDEEP

    24576:lySUZiXZZhmH7uqT95vgT9y38wk8x44gRN47xtkTDm2E02QYc:ASPThCp5vMYVx3gR27nku7jl

Malware Config

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

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

@ytlogsbot

C2

176.123.4.46:33783

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Targets

    • Target

      NEAS.At7Vx21exe_JC.exe

    • Size

      1.2MB

    • MD5

      a584375a3a50d98e7033a22b0cc65f11

    • SHA1

      738b1949ea41e1d788f7eae32522fd646c0c3b54

    • SHA256

      1b9c0b588ae0fc8fe3576c37e2c552152d7df0a5ecb92ed277e6ae6f89386855

    • SHA512

      c74d763da8746b68bc4c8033e8730372b6b85c3285e387b9c92ff541c063ffd3799816841d125320eaed697e8c1aa488f2bd13d5b100a8fd599a45e966e62afd

    • SSDEEP

      24576:lySUZiXZZhmH7uqT95vgT9y38wk8x44gRN47xtkTDm2E02QYc:ASPThCp5vMYVx3gR27nku7jl

    • 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