General

  • Target

    3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616

  • Size

    239KB

  • Sample

    240321-2bpvxaca25

  • MD5

    02d76f13b740663d70b64eb6b2893ca1

  • SHA1

    3571450afa2cc258ef4583f3896ed5222185900b

  • SHA256

    3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616

  • SHA512

    84b54360469d8e3c53f1b8a75679f15aada5e59e96a64eabf8424082feee352ea6b730f4036b2940f2ec28153dca2133e4e9e4404f1b7708c768569b1e074cb1

  • SSDEEP

    3072:uerZdBdazR6RKbafowJ2/dWgGXCUIWP5NCedNAhGYTBbykKBdpRSNa:uCZdBdazR7baQ//RGXChMNAhGgFKP

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

socks5systemz

C2

http://buknhhu.com/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c647db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668ef911c0ed95

Targets

    • Target

      3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616

    • Size

      239KB

    • MD5

      02d76f13b740663d70b64eb6b2893ca1

    • SHA1

      3571450afa2cc258ef4583f3896ed5222185900b

    • SHA256

      3a3ea9277d27b09f0519ab000067bf06cea7f64c566e153d37367288e3423616

    • SHA512

      84b54360469d8e3c53f1b8a75679f15aada5e59e96a64eabf8424082feee352ea6b730f4036b2940f2ec28153dca2133e4e9e4404f1b7708c768569b1e074cb1

    • SSDEEP

      3072:uerZdBdazR6RKbafowJ2/dWgGXCUIWP5NCedNAhGYTBbykKBdpRSNa:uCZdBdazR7baQ//RGXChMNAhGgFKP

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Stealc

      Stealc is an infostealer written in C++.

    • Windows security bypass

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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