General

  • Target

    f6e9e7d625ae7e04489a360bfd70f048478f6c0b6b487609aa39f469a45cf882

  • Size

    718KB

  • Sample

    211014-v6zv2aaggr

  • MD5

    30a07d9b2eaad384710d4f9619ba80c3

  • SHA1

    d9ca759f8e9ceba674ff88a47302041478df2984

  • SHA256

    f6e9e7d625ae7e04489a360bfd70f048478f6c0b6b487609aa39f469a45cf882

  • SHA512

    9d0a5f2cb20900feeeb1c7b56023a42dec24ab4315871b7c0f130313d3a87efe4219efddfcf22b51d5bd02b260d817a2d5ae1a5bb10e1d9aa04c629f41f41f95

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      f6e9e7d625ae7e04489a360bfd70f048478f6c0b6b487609aa39f469a45cf882

    • Size

      718KB

    • MD5

      30a07d9b2eaad384710d4f9619ba80c3

    • SHA1

      d9ca759f8e9ceba674ff88a47302041478df2984

    • SHA256

      f6e9e7d625ae7e04489a360bfd70f048478f6c0b6b487609aa39f469a45cf882

    • SHA512

      9d0a5f2cb20900feeeb1c7b56023a42dec24ab4315871b7c0f130313d3a87efe4219efddfcf22b51d5bd02b260d817a2d5ae1a5bb10e1d9aa04c629f41f41f95

    • 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