General

  • Target

    e5b526dcb8d88aa521d07f26dbc70fc2467a8e915cee41e30ba44c0a288c8b6b

  • Size

    725KB

  • Sample

    211015-rt744abgdj

  • MD5

    c4a9871b5afe1a622922a3d41d8f4a5c

  • SHA1

    b1c3a76874676c6901eebf79a1cbe8a8407e52b5

  • SHA256

    e5b526dcb8d88aa521d07f26dbc70fc2467a8e915cee41e30ba44c0a288c8b6b

  • SHA512

    0cf64a382f1049856e1584c9f29806b552596a71a80ef5b50ce2f6fd54109fb88265308f03d3e21a9995cd67b872b91d4bf7f51a8294b02157db437e3c1dc21a

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      e5b526dcb8d88aa521d07f26dbc70fc2467a8e915cee41e30ba44c0a288c8b6b

    • Size

      725KB

    • MD5

      c4a9871b5afe1a622922a3d41d8f4a5c

    • SHA1

      b1c3a76874676c6901eebf79a1cbe8a8407e52b5

    • SHA256

      e5b526dcb8d88aa521d07f26dbc70fc2467a8e915cee41e30ba44c0a288c8b6b

    • SHA512

      0cf64a382f1049856e1584c9f29806b552596a71a80ef5b50ce2f6fd54109fb88265308f03d3e21a9995cd67b872b91d4bf7f51a8294b02157db437e3c1dc21a

    • 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