General

  • Target

    20e92c2bf75c473b745617932f8dc0f8051bfc2f91bb938b2cc1cd808ebbc675

  • Size

    550KB

  • Sample

    220612-mac3dschd7

  • MD5

    5a519c2a100403b31cbfa3a720dda1b8

  • SHA1

    05bfc6b320d9b72e94aaa92279b80fa60b0fc873

  • SHA256

    20e92c2bf75c473b745617932f8dc0f8051bfc2f91bb938b2cc1cd808ebbc675

  • SHA512

    6c5d0e35750a998985652178efaf4dbea4f368132468a432002bed3493403d9d92b0fe37d3d8946dfb68d9452a873fc40cec818a1cce3959fd582ece7bdbaade

Malware Config

Extracted

Family

vidar

Version

4

Botnet

178

C2

http://bokolavrstos.com/

Attributes
  • profile_id

    178

Targets

    • Target

      20e92c2bf75c473b745617932f8dc0f8051bfc2f91bb938b2cc1cd808ebbc675

    • Size

      550KB

    • MD5

      5a519c2a100403b31cbfa3a720dda1b8

    • SHA1

      05bfc6b320d9b72e94aaa92279b80fa60b0fc873

    • SHA256

      20e92c2bf75c473b745617932f8dc0f8051bfc2f91bb938b2cc1cd808ebbc675

    • SHA512

      6c5d0e35750a998985652178efaf4dbea4f368132468a432002bed3493403d9d92b0fe37d3d8946dfb68d9452a873fc40cec818a1cce3959fd582ece7bdbaade

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar log file

      Detects a log file produced by Vidar.

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Tasks