General

  • Target

    c8cb1b41dee6a2fc6856f98ff939cb3406c23254ee6b66351b1bb311a6376b62

  • Size

    636KB

  • Sample

    211012-q48ypscdcr

  • MD5

    c98b4225519747edfab1a6bdeba50416

  • SHA1

    83de23deb9a2344d26333d6d7462cfc3ba842e1b

  • SHA256

    c8cb1b41dee6a2fc6856f98ff939cb3406c23254ee6b66351b1bb311a6376b62

  • SHA512

    6393c313f45bf802b09c60cca50b170adb361b72da3f8d22700f5b0dc61a7a60e802c413f1e28e5d66c0332afaf66536b1b0f513124b531b9f407f0818fbc151

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      c8cb1b41dee6a2fc6856f98ff939cb3406c23254ee6b66351b1bb311a6376b62

    • Size

      636KB

    • MD5

      c98b4225519747edfab1a6bdeba50416

    • SHA1

      83de23deb9a2344d26333d6d7462cfc3ba842e1b

    • SHA256

      c8cb1b41dee6a2fc6856f98ff939cb3406c23254ee6b66351b1bb311a6376b62

    • SHA512

      6393c313f45bf802b09c60cca50b170adb361b72da3f8d22700f5b0dc61a7a60e802c413f1e28e5d66c0332afaf66536b1b0f513124b531b9f407f0818fbc151

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Vidar Stealer

    • Downloads MZ/PE file

    • Loads dropped DLL

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks