General

  • Target

    41839e491ad6d2fef519c25fd4476cfc9749f49831dc6f53a8274e39e1f43e28

  • Size

    556KB

  • Sample

    220625-b1ehcsbeb3

  • MD5

    9f7a5855b985ec4e17c6483456050e0d

  • SHA1

    af606f0c570da6a45345599eebd2db68f31cf79d

  • SHA256

    41839e491ad6d2fef519c25fd4476cfc9749f49831dc6f53a8274e39e1f43e28

  • SHA512

    22d95d9dbcd176bb6e941899616ddefd840c7f04f9eebf3ee1c5b43d88a9374e9b3a2be8021c45ba9b47a7c412836ed1162a3ed25f4dc8e31990d5dd8a2eb61a

Malware Config

Extracted

Family

vidar

Version

5

Botnet

112

C2

http://kolobkoproms.ug/

Attributes
  • profile_id

    112

Targets

    • Target

      41839e491ad6d2fef519c25fd4476cfc9749f49831dc6f53a8274e39e1f43e28

    • Size

      556KB

    • MD5

      9f7a5855b985ec4e17c6483456050e0d

    • SHA1

      af606f0c570da6a45345599eebd2db68f31cf79d

    • SHA256

      41839e491ad6d2fef519c25fd4476cfc9749f49831dc6f53a8274e39e1f43e28

    • SHA512

      22d95d9dbcd176bb6e941899616ddefd840c7f04f9eebf3ee1c5b43d88a9374e9b3a2be8021c45ba9b47a7c412836ed1162a3ed25f4dc8e31990d5dd8a2eb61a

    • 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