General

  • Target

    26cae07fb36543c604a973912bddcf09886e31e1a1d22a37dda16cd2504c5ce0

  • Size

    251KB

  • Sample

    211204-f8g1nsdcd9

  • MD5

    74ec88720ce5f68b953f9c8515b20f9c

  • SHA1

    e52e48c7538470b21180fe7c73771a9aeea1d863

  • SHA256

    26cae07fb36543c604a973912bddcf09886e31e1a1d22a37dda16cd2504c5ce0

  • SHA512

    198fed92bd44cd5559ad23ab3f32a34a7444956d8018afd703fc41091c4d4f8f5d5c5fdf1ee2e0a90170b375927b0b7e13559857ff6f950b4018185139bfadff

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

https://cinems.club/search.php

https://clothes.surf/search.php

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

Extracted

Family

redline

C2

92.255.76.197:38637

Extracted

Family

redline

Botnet

1

C2

45.9.20.59:46287

Targets

    • Target

      26cae07fb36543c604a973912bddcf09886e31e1a1d22a37dda16cd2504c5ce0

    • Size

      251KB

    • MD5

      74ec88720ce5f68b953f9c8515b20f9c

    • SHA1

      e52e48c7538470b21180fe7c73771a9aeea1d863

    • SHA256

      26cae07fb36543c604a973912bddcf09886e31e1a1d22a37dda16cd2504c5ce0

    • SHA512

      198fed92bd44cd5559ad23ab3f32a34a7444956d8018afd703fc41091c4d4f8f5d5c5fdf1ee2e0a90170b375927b0b7e13559857ff6f950b4018185139bfadff

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • 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.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Deletes itself

    • Drops startup file

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks