General

  • Target

    40d54e4b4a1d69e6c198f375bb583dc4f584f2a5710104381aee5fa3f27842e7

  • Size

    619KB

  • Sample

    211217-g3xdvadhgl

  • MD5

    b04fd43a2369f1a3df6a4ac4d93315bd

  • SHA1

    77f163a606eb11122e127edaa0685274ae27e08d

  • SHA256

    40d54e4b4a1d69e6c198f375bb583dc4f584f2a5710104381aee5fa3f27842e7

  • SHA512

    c5be7c3dacd75a98f325a5b455a4b6043f3341def296c698581d5e49567795cee0264d57c150ac2bf3ddaea379921d3acfaf23eec78bf634ed6e75c82c480b51

Malware Config

Extracted

Family

vidar

Version

49.1

Botnet

903

C2

https://noc.social/@sergeev46

https://c.im/@sergeev47

Attributes
  • profile_id

    903

Targets

    • Target

      40d54e4b4a1d69e6c198f375bb583dc4f584f2a5710104381aee5fa3f27842e7

    • Size

      619KB

    • MD5

      b04fd43a2369f1a3df6a4ac4d93315bd

    • SHA1

      77f163a606eb11122e127edaa0685274ae27e08d

    • SHA256

      40d54e4b4a1d69e6c198f375bb583dc4f584f2a5710104381aee5fa3f27842e7

    • SHA512

      c5be7c3dacd75a98f325a5b455a4b6043f3341def296c698581d5e49567795cee0264d57c150ac2bf3ddaea379921d3acfaf23eec78bf634ed6e75c82c480b51

    • 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