General

  • Target

    32bccc3fff74705522284e13e8c382cb8b337ca6d5aa22e36e1183a498be603f

  • Size

    4.3MB

  • Sample

    220620-f4pvqahhd9

  • MD5

    65ff785b3c3fd7b28efd2e4f6e4bddfb

  • SHA1

    e529676f41a9e87a40c59102e58e35be45e28fcc

  • SHA256

    32bccc3fff74705522284e13e8c382cb8b337ca6d5aa22e36e1183a498be603f

  • SHA512

    79fead17f47de53fa0e8d23e1ed9461563e5f45fe30c483eadbd774913c200e75e7b0eff6a5340315afbe53f57a5c3147da8a90937553094a6605519d89d1431

Malware Config

Extracted

Family

vidar

Version

10.1

Botnet

231

C2

http://tribecaflatstore.com/

Attributes
  • profile_id

    231

Targets

    • Target

      32bccc3fff74705522284e13e8c382cb8b337ca6d5aa22e36e1183a498be603f

    • Size

      4.3MB

    • MD5

      65ff785b3c3fd7b28efd2e4f6e4bddfb

    • SHA1

      e529676f41a9e87a40c59102e58e35be45e28fcc

    • SHA256

      32bccc3fff74705522284e13e8c382cb8b337ca6d5aa22e36e1183a498be603f

    • SHA512

      79fead17f47de53fa0e8d23e1ed9461563e5f45fe30c483eadbd774913c200e75e7b0eff6a5340315afbe53f57a5c3147da8a90937553094a6605519d89d1431

    • 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