General

  • Target

    2f21fe1bd2660834e3f397423e2d670d498805fea12ff95822df994dbd070ed3

  • Size

    728KB

  • Sample

    211015-t696bsbhcq

  • MD5

    2092a7efd4011f6461ac4aead1216091

  • SHA1

    80a9f903c764dba79e161efe2d72fddc51eb59e1

  • SHA256

    2f21fe1bd2660834e3f397423e2d670d498805fea12ff95822df994dbd070ed3

  • SHA512

    0253cf1c53bbd69d2a680bcc9e0b50ca9bb8ea429118cd6bdb966b08ab25a8a45ad93a2fb731ab81c7735534a955eee7487d16a95cb121bcf6c23279d3066c5b

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      2f21fe1bd2660834e3f397423e2d670d498805fea12ff95822df994dbd070ed3

    • Size

      728KB

    • MD5

      2092a7efd4011f6461ac4aead1216091

    • SHA1

      80a9f903c764dba79e161efe2d72fddc51eb59e1

    • SHA256

      2f21fe1bd2660834e3f397423e2d670d498805fea12ff95822df994dbd070ed3

    • SHA512

      0253cf1c53bbd69d2a680bcc9e0b50ca9bb8ea429118cd6bdb966b08ab25a8a45ad93a2fb731ab81c7735534a955eee7487d16a95cb121bcf6c23279d3066c5b

    • 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