General

  • Target

    993be96b6b013d42ee58cda3d14046389379228f5f15eb7cd8f6eaad23d1bc49

  • Size

    633KB

  • Sample

    211012-efa6zsbagk

  • MD5

    3654d96ee4163a57a6931bef1b848839

  • SHA1

    26571922bbac647a306e1d18b3eed15962f11397

  • SHA256

    993be96b6b013d42ee58cda3d14046389379228f5f15eb7cd8f6eaad23d1bc49

  • SHA512

    bd332b1c951933c794301df4a56f86f560056b2d0219952e7efe72b12b9b0b2283e4fb9f596a294fe4d3bb756ccff471e6b8bcce29f07b77d03d0f7888c3f3b7

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      993be96b6b013d42ee58cda3d14046389379228f5f15eb7cd8f6eaad23d1bc49

    • Size

      633KB

    • MD5

      3654d96ee4163a57a6931bef1b848839

    • SHA1

      26571922bbac647a306e1d18b3eed15962f11397

    • SHA256

      993be96b6b013d42ee58cda3d14046389379228f5f15eb7cd8f6eaad23d1bc49

    • SHA512

      bd332b1c951933c794301df4a56f86f560056b2d0219952e7efe72b12b9b0b2283e4fb9f596a294fe4d3bb756ccff471e6b8bcce29f07b77d03d0f7888c3f3b7

    • 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