General

  • Target

    d6f48eeea540f918c055a489d470e43a34c9cc36d4760233a5c68d858cc49a53

  • Size

    743KB

  • Sample

    211011-x81lfshhhk

  • MD5

    1a6039af36660242f7728d13c99fc526

  • SHA1

    b456f8a91dde2b97db292ae1ada558b547e9c9ba

  • SHA256

    d6f48eeea540f918c055a489d470e43a34c9cc36d4760233a5c68d858cc49a53

  • SHA512

    f2433d71311c2b2d51f2b1b044407eb815f6229e0a05c5512f317561e8c06cbaa5e3f2e4445c79371f5ed1a8de8200aa05b8fd20cfabb37d7b6f16f581d10cd1

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      d6f48eeea540f918c055a489d470e43a34c9cc36d4760233a5c68d858cc49a53

    • Size

      743KB

    • MD5

      1a6039af36660242f7728d13c99fc526

    • SHA1

      b456f8a91dde2b97db292ae1ada558b547e9c9ba

    • SHA256

      d6f48eeea540f918c055a489d470e43a34c9cc36d4760233a5c68d858cc49a53

    • SHA512

      f2433d71311c2b2d51f2b1b044407eb815f6229e0a05c5512f317561e8c06cbaa5e3f2e4445c79371f5ed1a8de8200aa05b8fd20cfabb37d7b6f16f581d10cd1

    • 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