General

  • Target

    3b9c5ff5adeae8d2cec922ed51eee0c9af43016c25163865480fba723acebff3

  • Size

    4.3MB

  • Sample

    220703-l9ngqshad2

  • MD5

    46b161adc6af9bf969eb231c8e0e5964

  • SHA1

    46780442ef9527011809ce33e3ace2ead00495f8

  • SHA256

    3b9c5ff5adeae8d2cec922ed51eee0c9af43016c25163865480fba723acebff3

  • SHA512

    6fb037f2d9d032cd935c81db83204c2b65e6ad0345831f15c352a9290043bc1d0142f4bee67f3560caf951511f4e1534790464180a0e925975a0922e4d4e7755

Malware Config

Extracted

Family

vidar

Version

10.1

Botnet

231

C2

http://tribecaflatstore.com/

Attributes
  • profile_id

    231

Targets

    • Target

      3b9c5ff5adeae8d2cec922ed51eee0c9af43016c25163865480fba723acebff3

    • Size

      4.3MB

    • MD5

      46b161adc6af9bf969eb231c8e0e5964

    • SHA1

      46780442ef9527011809ce33e3ace2ead00495f8

    • SHA256

      3b9c5ff5adeae8d2cec922ed51eee0c9af43016c25163865480fba723acebff3

    • SHA512

      6fb037f2d9d032cd935c81db83204c2b65e6ad0345831f15c352a9290043bc1d0142f4bee67f3560caf951511f4e1534790464180a0e925975a0922e4d4e7755

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

4
T1005

Tasks