General

  • Target

    d079d78151b3a1cfd37b85a2da578363c86e469730f0997cb3a9e205d8e4e5b9

  • Size

    636KB

  • Sample

    211012-r1wdwacdgl

  • MD5

    67b9e0eacca68c216330a06174027be5

  • SHA1

    29b1f21595303af9ebd10953be74e0c524fcf799

  • SHA256

    d079d78151b3a1cfd37b85a2da578363c86e469730f0997cb3a9e205d8e4e5b9

  • SHA512

    2eb63efd7e90269093f2ed09221d3d939a3af87537b86c68e6e308cd9b5ae19c7a8de1683d47a52e459b23229e9ad5c45a5b0a8e03b6a081ba982af13d9a4690

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      d079d78151b3a1cfd37b85a2da578363c86e469730f0997cb3a9e205d8e4e5b9

    • Size

      636KB

    • MD5

      67b9e0eacca68c216330a06174027be5

    • SHA1

      29b1f21595303af9ebd10953be74e0c524fcf799

    • SHA256

      d079d78151b3a1cfd37b85a2da578363c86e469730f0997cb3a9e205d8e4e5b9

    • SHA512

      2eb63efd7e90269093f2ed09221d3d939a3af87537b86c68e6e308cd9b5ae19c7a8de1683d47a52e459b23229e9ad5c45a5b0a8e03b6a081ba982af13d9a4690

    • 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