General

  • Target

    331f760f2f6e906e967e9c847b4cdf2ebcd7ba1e40f1a159829eaec89df4e847

  • Size

    3.6MB

  • Sample

    220620-d7fecadcdn

  • MD5

    be8db6a439bce7655fe2a49a7234276f

  • SHA1

    2d263aed2cb76c7fe79e10ecbfd5207acca2daf2

  • SHA256

    331f760f2f6e906e967e9c847b4cdf2ebcd7ba1e40f1a159829eaec89df4e847

  • SHA512

    02629a51fc05724e1b28fd8598e82b891df2f244a3acb01c3f2ed273d98738bb954ad0b92b9b9282d3262afa280fe2afb57592b2dce6ec905c3ff6c66148820d

Malware Config

Extracted

Family

vidar

Version

9.5

Botnet

231

C2

http://bestpolandhotels.com/

Attributes
  • profile_id

    231

Targets

    • Target

      331f760f2f6e906e967e9c847b4cdf2ebcd7ba1e40f1a159829eaec89df4e847

    • Size

      3.6MB

    • MD5

      be8db6a439bce7655fe2a49a7234276f

    • SHA1

      2d263aed2cb76c7fe79e10ecbfd5207acca2daf2

    • SHA256

      331f760f2f6e906e967e9c847b4cdf2ebcd7ba1e40f1a159829eaec89df4e847

    • SHA512

      02629a51fc05724e1b28fd8598e82b891df2f244a3acb01c3f2ed273d98738bb954ad0b92b9b9282d3262afa280fe2afb57592b2dce6ec905c3ff6c66148820d

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

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

    • 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

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

4
T1005

Tasks