General

  • Target

    file

  • Size

    245KB

  • Sample

    240122-ly4dtadfeq

  • MD5

    82802f337cfae13e680dc93fb67326fe

  • SHA1

    603c64258d3882bd5eb7210a674f691892d84896

  • SHA256

    c21bbf910bb1b965f4adc57205591243b1f32ea41cbf5716472ec33fb0628614

  • SHA512

    b73c319f9b143b35578c131b19516415e11402d9e68647e4301c3de7d4d1ff22c3be664ca8923ae222e998734d8bf8a309f3bf76edaf2b304d78e3150eb61193

  • SSDEEP

    3072:R5hh7/LwvwGXKJ/2WTZlwIBXW9bYT9r19eWGerzV1ODPtz2a5vO5AcRdZx:R5hd/LwY6KJTZqoW9WTx1OTtz5jqd

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://gxutc2c.com/tmp/index.php

http://proekt8.ru/tmp/index.php

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

http://pirateking.online/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

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

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

stealc

C2

http://185.172.128.79

Attributes
  • url_path

    /3886d2276�6914c4.php

rc4.plain

Targets

    • Target

      file

    • Size

      245KB

    • MD5

      82802f337cfae13e680dc93fb67326fe

    • SHA1

      603c64258d3882bd5eb7210a674f691892d84896

    • SHA256

      c21bbf910bb1b965f4adc57205591243b1f32ea41cbf5716472ec33fb0628614

    • SHA512

      b73c319f9b143b35578c131b19516415e11402d9e68647e4301c3de7d4d1ff22c3be664ca8923ae222e998734d8bf8a309f3bf76edaf2b304d78e3150eb61193

    • SSDEEP

      3072:R5hh7/LwvwGXKJ/2WTZlwIBXW9bYT9r19eWGerzV1ODPtz2a5vO5AcRdZx:R5hd/LwY6KJTZqoW9WTx1OTtz5jqd

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Socks5Systemz Payload

    • 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

    • 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 computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • 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.

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks