General

  • Target

    NEAS.05daa945e702ff519d4af6f3cfafdf2a2dfefa71a07f113967f85bdb34778a9cexe_JC.exe

  • Size

    1.1MB

  • Sample

    231008-q4xknseg97

  • MD5

    9e8e8914c4edc0d0c1419bdbbab56110

  • SHA1

    b461b0ff15785db016c24fbeb8f436dfcb73932d

  • SHA256

    05daa945e702ff519d4af6f3cfafdf2a2dfefa71a07f113967f85bdb34778a9c

  • SHA512

    1dea66c95bec6edee881f41cb8bdbe4297fd8b0954bb0d803d2429410f0ebcb8892103abc7ef7d0a10e7ce33761df259ee059f9cd626ef65748494d0121718a2

  • SSDEEP

    24576:/yrwgFn4dBaSprQ28P45T3f2NNzxZ22ErFjFNYG9kUN4O6k7YT:KrwgFn4dBa4rQwG1xZhErbNYR47Y

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

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

magia

C2

77.91.124.55:19071

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

lutyr

C2

77.91.124.55:19071

Targets

    • Target

      NEAS.05daa945e702ff519d4af6f3cfafdf2a2dfefa71a07f113967f85bdb34778a9cexe_JC.exe

    • Size

      1.1MB

    • MD5

      9e8e8914c4edc0d0c1419bdbbab56110

    • SHA1

      b461b0ff15785db016c24fbeb8f436dfcb73932d

    • SHA256

      05daa945e702ff519d4af6f3cfafdf2a2dfefa71a07f113967f85bdb34778a9c

    • SHA512

      1dea66c95bec6edee881f41cb8bdbe4297fd8b0954bb0d803d2429410f0ebcb8892103abc7ef7d0a10e7ce33761df259ee059f9cd626ef65748494d0121718a2

    • SSDEEP

      24576:/yrwgFn4dBaSprQ28P45T3f2NNzxZ22ErFjFNYG9kUN4O6k7YT:KrwgFn4dBa4rQwG1xZhErbNYR47Y

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks