General

  • Target

    43357749243d4d21c79746a724f75a65446245f3a60130c171bdcd2d98db5e08

  • Size

    645KB

  • Sample

    220707-3mnbwsaff5

  • MD5

    e9c02b69805d5899a65bf73fccdc87ed

  • SHA1

    b6ee85394352a1308fc1f6366b340e4970ef9e31

  • SHA256

    43357749243d4d21c79746a724f75a65446245f3a60130c171bdcd2d98db5e08

  • SHA512

    8b1bc468b54996ade74f572cf3cfd1e1f3d61dd3901d9d98aac17f26e0eb5d88d5e778dba45ea70abb497258ab656937b14ea22242650911c8aef95c8497fb4d

Malware Config

Extracted

Family

vidar

Version

5

Botnet

193

C2

http://kolobkoproms.ug/

Attributes
  • profile_id

    193

Targets

    • Target

      43357749243d4d21c79746a724f75a65446245f3a60130c171bdcd2d98db5e08

    • Size

      645KB

    • MD5

      e9c02b69805d5899a65bf73fccdc87ed

    • SHA1

      b6ee85394352a1308fc1f6366b340e4970ef9e31

    • SHA256

      43357749243d4d21c79746a724f75a65446245f3a60130c171bdcd2d98db5e08

    • SHA512

      8b1bc468b54996ade74f572cf3cfd1e1f3d61dd3901d9d98aac17f26e0eb5d88d5e778dba45ea70abb497258ab656937b14ea22242650911c8aef95c8497fb4d

    • 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

    • Vidar Stealer

    • 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