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General

  • Target

    file

  • Size

    1.8MB

  • Sample

    231005-v65fhsfc83

  • MD5

    c43b34c7650870584c72d20bcddf7df5

  • SHA1

    a1c3d5ed3ed17afb8e8fd32d7ada9587c6b8e4c2

  • SHA256

    6b4dffdcad76a50d5c6268c998e23b297eb666174e871973f3b7684b13cfec2a

  • SHA512

    60533312f59915db5827dbcd16bb720979b0fabbd25ee40a460232f2193549c4149763a66ae81d67d5c09550f30910b01f3c75374e78cdd5d12494aed925af9f

  • SSDEEP

    49152:T2nzptFlzTn4h4q6sFOUctcMJkyFAcJHRQF:in9tFlz8h48FixlJHRg

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

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

@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

      c43b34c7650870584c72d20bcddf7df5

    • SHA1

      a1c3d5ed3ed17afb8e8fd32d7ada9587c6b8e4c2

    • SHA256

      6b4dffdcad76a50d5c6268c998e23b297eb666174e871973f3b7684b13cfec2a

    • SHA512

      60533312f59915db5827dbcd16bb720979b0fabbd25ee40a460232f2193549c4149763a66ae81d67d5c09550f30910b01f3c75374e78cdd5d12494aed925af9f

    • SSDEEP

      49152:T2nzptFlzTn4h4q6sFOUctcMJkyFAcJHRQF:in9tFlz8h48FixlJHRg

    • 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