General

  • Target

    e04499a3d31e033a393573cf5f46fd515229e481ebd7598d21d4ddee027a44b1

  • Size

    778KB

  • Sample

    211010-n6zfyafhcj

  • MD5

    8a93793ca0f22743224c07591f406559

  • SHA1

    3b5e211e6e4c957aa35da4f1d2b8f1d446cfb3d6

  • SHA256

    e04499a3d31e033a393573cf5f46fd515229e481ebd7598d21d4ddee027a44b1

  • SHA512

    1994502d65964c1592b6c5c626a6aa8f205bbc7c50bc5c22dd57dd8097cccf64349b40853c32f864747b1195847ab1a86e94957b34f6f06cdbc87e919aaa6add

Malware Config

Extracted

Family

vidar

Version

41.2

Botnet

1008

C2

https://mas.to/@serg4325

Attributes
  • profile_id

    1008

Targets

    • Target

      e04499a3d31e033a393573cf5f46fd515229e481ebd7598d21d4ddee027a44b1

    • Size

      778KB

    • MD5

      8a93793ca0f22743224c07591f406559

    • SHA1

      3b5e211e6e4c957aa35da4f1d2b8f1d446cfb3d6

    • SHA256

      e04499a3d31e033a393573cf5f46fd515229e481ebd7598d21d4ddee027a44b1

    • SHA512

      1994502d65964c1592b6c5c626a6aa8f205bbc7c50bc5c22dd57dd8097cccf64349b40853c32f864747b1195847ab1a86e94957b34f6f06cdbc87e919aaa6add

    • 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