General

  • Target

    5d80b4c3c7dbc190f64238aa39c58bf1240d63c074668fb149bf8c79d239e376

  • Size

    233KB

  • Sample

    240122-fg5yeshbe9

  • MD5

    5a0ee8ba98bcd1dec0d4f794775f5061

  • SHA1

    7d542c8d8dd215b7519f0a50bc1ecb3db55d6baf

  • SHA256

    5d80b4c3c7dbc190f64238aa39c58bf1240d63c074668fb149bf8c79d239e376

  • SHA512

    0def959e26b2567c412c75021b199da43693575581341feec07c6bd25adeaecefbb2adfc439df01eeb140efe05ab997b89bce36c2a88ba480a878c7f2f17a755

  • SSDEEP

    3072:bpQLHxDcuNHz4+uO1AGQVZ4SDIIVbIcg7I3tXYOr4HzKbsQEj/rQnZRKIpnXw9CF:bpMHBuAIDR03MhnizKIH+KMXOCU

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

Credentials

  • Protocol:
    ftp
  • Host:
    respondcom.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    BrIaNnA20!

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    respondcom.com
  • Port:
    21
  • Username:
    maria
  • Password:
    BrIaNnA20!

Targets

    • Target

      5d80b4c3c7dbc190f64238aa39c58bf1240d63c074668fb149bf8c79d239e376

    • Size

      233KB

    • MD5

      5a0ee8ba98bcd1dec0d4f794775f5061

    • SHA1

      7d542c8d8dd215b7519f0a50bc1ecb3db55d6baf

    • SHA256

      5d80b4c3c7dbc190f64238aa39c58bf1240d63c074668fb149bf8c79d239e376

    • SHA512

      0def959e26b2567c412c75021b199da43693575581341feec07c6bd25adeaecefbb2adfc439df01eeb140efe05ab997b89bce36c2a88ba480a878c7f2f17a755

    • SSDEEP

      3072:bpQLHxDcuNHz4+uO1AGQVZ4SDIIVbIcg7I3tXYOr4HzKbsQEj/rQnZRKIpnXw9CF:bpMHBuAIDR03MhnizKIH+KMXOCU

    • DcRat

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

    • Glupteba

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

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Windows security bypass

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • 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 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