General

  • Target

    bb3f5d12e82d2ef8a2294270da5606572f37c1ea5f02e0be95f57a31909414e3

  • Size

    715KB

  • Sample

    211014-rnkrlsadhl

  • MD5

    711b94767734527a2b96c451367003a2

  • SHA1

    d096978d290d04e73fe15d41216b66df5628ce09

  • SHA256

    bb3f5d12e82d2ef8a2294270da5606572f37c1ea5f02e0be95f57a31909414e3

  • SHA512

    ce717cb957336f993fc74cd27005715d89820a24b9792aed5a6fc416ed4617446becef2ca8583315410306e5954c0e54246f7068e1f395fa882a7000e9251037

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      bb3f5d12e82d2ef8a2294270da5606572f37c1ea5f02e0be95f57a31909414e3

    • Size

      715KB

    • MD5

      711b94767734527a2b96c451367003a2

    • SHA1

      d096978d290d04e73fe15d41216b66df5628ce09

    • SHA256

      bb3f5d12e82d2ef8a2294270da5606572f37c1ea5f02e0be95f57a31909414e3

    • SHA512

      ce717cb957336f993fc74cd27005715d89820a24b9792aed5a6fc416ed4617446becef2ca8583315410306e5954c0e54246f7068e1f395fa882a7000e9251037

    • 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