General

  • Target

    77ecee195092bdfb759f94714ec2f364dbba3da660bb21e6caf92424827af3b8

  • Size

    636KB

  • Sample

    211012-p4dbcsccfk

  • MD5

    ef9695220d386764b2cb5020fcea9d04

  • SHA1

    87943c5c42c5356b489f6d552df88e48370e3b3d

  • SHA256

    77ecee195092bdfb759f94714ec2f364dbba3da660bb21e6caf92424827af3b8

  • SHA512

    b290b5f3f799ac6eb9be3bcb595dc0524acdabdfe68599b192005abb19ad4a1230108dd02e95fbbcc3256053bd13b74578ba7c2f8701e8fe9ce65a5109834d05

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      77ecee195092bdfb759f94714ec2f364dbba3da660bb21e6caf92424827af3b8

    • Size

      636KB

    • MD5

      ef9695220d386764b2cb5020fcea9d04

    • SHA1

      87943c5c42c5356b489f6d552df88e48370e3b3d

    • SHA256

      77ecee195092bdfb759f94714ec2f364dbba3da660bb21e6caf92424827af3b8

    • SHA512

      b290b5f3f799ac6eb9be3bcb595dc0524acdabdfe68599b192005abb19ad4a1230108dd02e95fbbcc3256053bd13b74578ba7c2f8701e8fe9ce65a5109834d05

    • 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