General

  • Target

    b5c199b3fb16810ba6fa5a3f768bc445610a38a46d1f3ee1b334007e33ab6753

  • Size

    271KB

  • Sample

    210922-cylz4adfcr

  • MD5

    b1ddd2784abe06ff0bbcf22d723dab13

  • SHA1

    352aeaa461d035c7419606c4697d05a954180595

  • SHA256

    b5c199b3fb16810ba6fa5a3f768bc445610a38a46d1f3ee1b334007e33ab6753

  • SHA512

    6f95de1fdd5860da2d47e89eb44acf33122361b00cc442cbce3cc6ffde4e53e3db7dfc189ef562d81673872b26231bf5e5a4a6a4033690f06de914cea2eea618

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

paladin

C2

188.124.36.242:25802

Extracted

Family

vidar

Version

40.9

Botnet

828

C2

https://stacenko668.tumblr.com/

Attributes
  • profile_id

    828

Targets

    • Target

      b5c199b3fb16810ba6fa5a3f768bc445610a38a46d1f3ee1b334007e33ab6753

    • Size

      271KB

    • MD5

      b1ddd2784abe06ff0bbcf22d723dab13

    • SHA1

      352aeaa461d035c7419606c4697d05a954180595

    • SHA256

      b5c199b3fb16810ba6fa5a3f768bc445610a38a46d1f3ee1b334007e33ab6753

    • SHA512

      6f95de1fdd5860da2d47e89eb44acf33122361b00cc442cbce3cc6ffde4e53e3db7dfc189ef562d81673872b26231bf5e5a4a6a4033690f06de914cea2eea618

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks