Resubmissions

22-03-2024 02:20

240322-csfacsfb94 10

21-03-2024 22:41

240321-2l99laed5s 10

General

  • Target

    a550df762611e5384f725b245f433687a508e5fca325d5cac656e9328abab4ef

  • Size

    208KB

  • Sample

    240321-2l99laed5s

  • MD5

    9b10a29569abdddb99d729e07f51d62a

  • SHA1

    c152b192772a1fdc2dcf17faf4319fb0173ce55d

  • SHA256

    a550df762611e5384f725b245f433687a508e5fca325d5cac656e9328abab4ef

  • SHA512

    237b5c3f390030d256cba7af05f8b4d45f0c7459127891a12d3a644b28df2da09109325e32457e83a1af93885abd75fc9da79bb4864157ebc15275f6673617b1

  • SSDEEP

    3072:PMCZ3MKPMkeED9EqQvbMaOnrDN08QKuV9w1RBeg8+/yGYV:kCZ5MiD9EqQvZOG8QKOkRBeA

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

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

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://asleepfulltytarrtw.shop/api

https://resergvearyinitiani.shop/api

https://relevantvoicelesskw.shop/api

Targets

    • Target

      a550df762611e5384f725b245f433687a508e5fca325d5cac656e9328abab4ef

    • Size

      208KB

    • MD5

      9b10a29569abdddb99d729e07f51d62a

    • SHA1

      c152b192772a1fdc2dcf17faf4319fb0173ce55d

    • SHA256

      a550df762611e5384f725b245f433687a508e5fca325d5cac656e9328abab4ef

    • SHA512

      237b5c3f390030d256cba7af05f8b4d45f0c7459127891a12d3a644b28df2da09109325e32457e83a1af93885abd75fc9da79bb4864157ebc15275f6673617b1

    • SSDEEP

      3072:PMCZ3MKPMkeED9EqQvbMaOnrDN08QKuV9w1RBeg8+/yGYV:kCZ5MiD9EqQvZOG8QKOkRBeA

    • Amadey

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

    • Detect ZGRat V1

    • 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.

    • 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.

    • Stealc

      Stealc is an infostealer written in C++.

    • Windows security bypass

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Checks BIOS information in registry

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

    • 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.

    • 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.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks