General

  • Target

    27dcc564f8046d08fc9f5e359b020c42870a3e110349bc9f21bc8860b262a3b9

  • Size

    611KB

  • Sample

    220616-dkvkrabhh7

  • MD5

    8c0ce9d5caf531a0039d4ed5505d9710

  • SHA1

    fa91478a0047c6468a60ada42fc96798da5c37a9

  • SHA256

    27dcc564f8046d08fc9f5e359b020c42870a3e110349bc9f21bc8860b262a3b9

  • SHA512

    bf9255bd61a71f26a9b35b14580eb4561b5f70af6126898f31eb5b101cd3cd7033c2a5ca757bd85964daaa7bb32d7bc68c3a5e9be7e7843c03d87fcd896e0836

Malware Config

Extracted

Family

vidar

Version

5

Botnet

212

C2

http://kolobkoproms.ug/

Attributes
  • profile_id

    212

Targets

    • Target

      27dcc564f8046d08fc9f5e359b020c42870a3e110349bc9f21bc8860b262a3b9

    • Size

      611KB

    • MD5

      8c0ce9d5caf531a0039d4ed5505d9710

    • SHA1

      fa91478a0047c6468a60ada42fc96798da5c37a9

    • SHA256

      27dcc564f8046d08fc9f5e359b020c42870a3e110349bc9f21bc8860b262a3b9

    • SHA512

      bf9255bd61a71f26a9b35b14580eb4561b5f70af6126898f31eb5b101cd3cd7033c2a5ca757bd85964daaa7bb32d7bc68c3a5e9be7e7843c03d87fcd896e0836

    • 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.

    • Vidar Stealer

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • 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

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Tasks