General

  • Target

    8b0fafb9182bc403609f818c24c7875431360b61302ae81c5ec133bbac7f75fa

  • Size

    728KB

  • Sample

    211016-h1eaxscehk

  • MD5

    901d86057c1ac26b69c33dae17ac1679

  • SHA1

    5ed949302c78e5478b7c2e1a749ad3f6758c603d

  • SHA256

    8b0fafb9182bc403609f818c24c7875431360b61302ae81c5ec133bbac7f75fa

  • SHA512

    a21dd7dcb23ef54cc8cd337799c48605835cdfbdc99ac5db190f6f5984c6682e02cdbc412b5798e591cc0c6a712d0dda871bff67956367f722da5fde96f9afc7

Malware Config

Extracted

Family

vidar

Version

41.4

Botnet

1008

C2

https://mas.to/@sslam

Attributes
  • profile_id

    1008

Targets

    • Target

      8b0fafb9182bc403609f818c24c7875431360b61302ae81c5ec133bbac7f75fa

    • Size

      728KB

    • MD5

      901d86057c1ac26b69c33dae17ac1679

    • SHA1

      5ed949302c78e5478b7c2e1a749ad3f6758c603d

    • SHA256

      8b0fafb9182bc403609f818c24c7875431360b61302ae81c5ec133bbac7f75fa

    • SHA512

      a21dd7dcb23ef54cc8cd337799c48605835cdfbdc99ac5db190f6f5984c6682e02cdbc412b5798e591cc0c6a712d0dda871bff67956367f722da5fde96f9afc7

    • 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