General

  • Target

    055e37bf8546779aada7a3924dd4abc0ae80ebb2877ee4b15aae4c59766ee94a

  • Size

    312KB

  • Sample

    240322-gftz7sbd5z

  • MD5

    fa404e6e0f5574b90c7ec5e3fa67dffa

  • SHA1

    43edcda3198aea86d473dacf6cdaf084fcace5a1

  • SHA256

    055e37bf8546779aada7a3924dd4abc0ae80ebb2877ee4b15aae4c59766ee94a

  • SHA512

    af252b0fd65be9bb0d9687a40759681402c6b41e752a991e0d7cee0bf7e986f582c3c10c1ea4d1695d627e97ad675514edab5e119a0715a94dfedcdd0f030335

  • SSDEEP

    3072:OgCr5Jsw0RZJ/+pYYKEXnLRgowqC2gZd0mzwNrUBqCKp6qXKAG:kszx+Jluh701JU7KpBaJ

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://selebration17io.io/index.php

http://vacantion18ffeu.cc/index.php

http://valarioulinity1.net/index.php

http://buriatiarutuhuob.net/index.php

http://cassiosssionunu.me/index.php

http://sulugilioiu19.net/index.php

http://goodfooggooftool.net/index.php

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

lumma

C2

https://resergvearyinitiani.shop/api

https://herdbescuitinjurywu.shop/api

https://relevantvoicelesskw.shop/api

Targets

    • Target

      055e37bf8546779aada7a3924dd4abc0ae80ebb2877ee4b15aae4c59766ee94a

    • Size

      312KB

    • MD5

      fa404e6e0f5574b90c7ec5e3fa67dffa

    • SHA1

      43edcda3198aea86d473dacf6cdaf084fcace5a1

    • SHA256

      055e37bf8546779aada7a3924dd4abc0ae80ebb2877ee4b15aae4c59766ee94a

    • SHA512

      af252b0fd65be9bb0d9687a40759681402c6b41e752a991e0d7cee0bf7e986f582c3c10c1ea4d1695d627e97ad675514edab5e119a0715a94dfedcdd0f030335

    • SSDEEP

      3072:OgCr5Jsw0RZJ/+pYYKEXnLRgowqC2gZd0mzwNrUBqCKp6qXKAG:kszx+Jluh701JU7KpBaJ

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks