Resubmissions

10-10-2023 16:13

231010-tn4ktsee2y 10

06-10-2023 18:11

231006-wsxdesha68 10

06-10-2023 18:00

231006-wlrjlaeh3s 10

General

  • Target

    ac92288311107bde99d397ecc5b9b10553a743bd0614ed3953dc7de41d59506e

  • Size

    268KB

  • Sample

    231006-wsxdesha68

  • MD5

    21a07a4e25405857abfc1eb750c056ee

  • SHA1

    8c2b48def49b67784a7dbd418cd307fb8ecdaa37

  • SHA256

    ac92288311107bde99d397ecc5b9b10553a743bd0614ed3953dc7de41d59506e

  • SHA512

    1ec6e9d3b966825fe0514b5f53d00a639cde15668115bc95eea00a6d1212e19f860f06423680ce6f316717f455c87b2be0b5e257137733962df6bc4c3ce60865

  • SSDEEP

    6144:Um1QjFz5kyocx5/X/3SPl5MAOHbr2cx06:Um1OzWyoWzNWL6

Malware Config

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

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

gigant

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

      ac92288311107bde99d397ecc5b9b10553a743bd0614ed3953dc7de41d59506e

    • Size

      268KB

    • MD5

      21a07a4e25405857abfc1eb750c056ee

    • SHA1

      8c2b48def49b67784a7dbd418cd307fb8ecdaa37

    • SHA256

      ac92288311107bde99d397ecc5b9b10553a743bd0614ed3953dc7de41d59506e

    • SHA512

      1ec6e9d3b966825fe0514b5f53d00a639cde15668115bc95eea00a6d1212e19f860f06423680ce6f316717f455c87b2be0b5e257137733962df6bc4c3ce60865

    • SSDEEP

      6144:Um1QjFz5kyocx5/X/3SPl5MAOHbr2cx06:Um1OzWyoWzNWL6

    • 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