General

  • Target

    0968bc64338f35cd73fff5844be9cbc1fac46e964ccec095bd9ca716f014612b

  • Size

    665KB

  • Sample

    211014-xxgzzaahhr

  • MD5

    78e6696a76a074069edd290d4b5d5b8a

  • SHA1

    2dd0be5ff8960afa2fabfe36d5e199bd6975a8d1

  • SHA256

    0968bc64338f35cd73fff5844be9cbc1fac46e964ccec095bd9ca716f014612b

  • SHA512

    d1819af90d636018b0415375d24aef3df95259e3b6053ec4e6e8f10aab28c04bd3c691d7d12473b515341e2e21af8eceec5845f2f9ffc2268daeec6bc9694d20

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      0968bc64338f35cd73fff5844be9cbc1fac46e964ccec095bd9ca716f014612b

    • Size

      665KB

    • MD5

      78e6696a76a074069edd290d4b5d5b8a

    • SHA1

      2dd0be5ff8960afa2fabfe36d5e199bd6975a8d1

    • SHA256

      0968bc64338f35cd73fff5844be9cbc1fac46e964ccec095bd9ca716f014612b

    • SHA512

      d1819af90d636018b0415375d24aef3df95259e3b6053ec4e6e8f10aab28c04bd3c691d7d12473b515341e2e21af8eceec5845f2f9ffc2268daeec6bc9694d20

    • 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