General

  • Target

    cae7e501a803e88ac321df0fc93ce4ba36785d1c90f4075a287c84511ca7418f

  • Size

    4.2MB

  • Sample

    220625-fw9vxshgb6

  • MD5

    833eba537bf83840ae1c14c010f16395

  • SHA1

    d4026438d84ff06c6cec70f3849c966e23abf29a

  • SHA256

    cae7e501a803e88ac321df0fc93ce4ba36785d1c90f4075a287c84511ca7418f

  • SHA512

    272470343eb2387a8da993c16ce3d7c8647e829ca0c8d15263912a51d957d4c1d123e5e65744824696b8e2d54671abfcfcc1267adb32018f522ba00ad15a1b70

Malware Config

Extracted

Family

vidar

Version

10.1

Botnet

231

C2

http://tribecaflatstore.com/

Attributes
  • profile_id

    231

Targets

    • Target

      cae7e501a803e88ac321df0fc93ce4ba36785d1c90f4075a287c84511ca7418f

    • Size

      4.2MB

    • MD5

      833eba537bf83840ae1c14c010f16395

    • SHA1

      d4026438d84ff06c6cec70f3849c966e23abf29a

    • SHA256

      cae7e501a803e88ac321df0fc93ce4ba36785d1c90f4075a287c84511ca7418f

    • SHA512

      272470343eb2387a8da993c16ce3d7c8647e829ca0c8d15263912a51d957d4c1d123e5e65744824696b8e2d54671abfcfcc1267adb32018f522ba00ad15a1b70

    • 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