General

  • Target

    becedfdb6c118042a4220a6eb8398f51dc304796deef881ba79f54ddcb9b3f5a

  • Size

    245KB

  • Sample

    240321-2n9qvaee2w

  • MD5

    372251e06450ff07334e5ac9d25e654e

  • SHA1

    a1a97acc8f1deef32026ca3f065c3dd9c3f1a823

  • SHA256

    becedfdb6c118042a4220a6eb8398f51dc304796deef881ba79f54ddcb9b3f5a

  • SHA512

    fd2e5a6090e1553205f0a7172bf1005266891074f96df17b1bd508104857d797c425ff60a87a83f8784a9502b3221a565d7184ea8cba99818ba7b40b46465b7b

  • SSDEEP

    3072:kr9tWs5QNHJlt8Tujo1raQ/aDmtRljino5pBnKeMMKxy8AN4p8SU6x:AtWs5QNcuj7QHqGBkxANNNo

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

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      becedfdb6c118042a4220a6eb8398f51dc304796deef881ba79f54ddcb9b3f5a

    • Size

      245KB

    • MD5

      372251e06450ff07334e5ac9d25e654e

    • SHA1

      a1a97acc8f1deef32026ca3f065c3dd9c3f1a823

    • SHA256

      becedfdb6c118042a4220a6eb8398f51dc304796deef881ba79f54ddcb9b3f5a

    • SHA512

      fd2e5a6090e1553205f0a7172bf1005266891074f96df17b1bd508104857d797c425ff60a87a83f8784a9502b3221a565d7184ea8cba99818ba7b40b46465b7b

    • SSDEEP

      3072:kr9tWs5QNHJlt8Tujo1raQ/aDmtRljino5pBnKeMMKxy8AN4p8SU6x:AtWs5QNcuj7QHqGBkxANNNo

    • 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

    • 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

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks