Resubmissions

22-01-2023 15:20

230122-sq122sgd59 10

18-01-2022 00:18

220118-alwyesegdk 10

General

  • Target

    532bc078a68683ce70cb765191a128fadee2a23180b1a8e8a16b72f1a8ee291a

  • Size

    858KB

  • Sample

    220118-alwyesegdk

  • MD5

    d305c0176dc9a1f3daf516e6034f2b57

  • SHA1

    87faa41997ee2187247d117081d46284193fabda

  • SHA256

    532bc078a68683ce70cb765191a128fadee2a23180b1a8e8a16b72f1a8ee291a

  • SHA512

    8f7ca5e48f4f21d8429d0719caa6dd705d74c466392c1e91d372915aa8e4855789cd288d94567a59d301cc7335e55c8e0836b3280199ee9001149ab6b36a0a8e

Malware Config

Extracted

Family

vidar

Version

49.7

Botnet

1131

C2

https://mastodon.online/@prophef1

https://koyu.space/@prophef2

Attributes
  • profile_id

    1131

Targets

    • Target

      532bc078a68683ce70cb765191a128fadee2a23180b1a8e8a16b72f1a8ee291a

    • Size

      858KB

    • MD5

      d305c0176dc9a1f3daf516e6034f2b57

    • SHA1

      87faa41997ee2187247d117081d46284193fabda

    • SHA256

      532bc078a68683ce70cb765191a128fadee2a23180b1a8e8a16b72f1a8ee291a

    • SHA512

      8f7ca5e48f4f21d8429d0719caa6dd705d74c466392c1e91d372915aa8e4855789cd288d94567a59d301cc7335e55c8e0836b3280199ee9001149ab6b36a0a8e

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 Enterprise v6

Tasks