General

  • Target

    ae9ef93668bf91694a4726ac142aceb3118351d87d45033b8e5833da41a19add

  • Size

    636KB

  • Sample

    211012-t6rzracfbq

  • MD5

    956d7f5dd729ca757837227f034ae504

  • SHA1

    ba4e69e4129899b91df8b79d856bf777e648d998

  • SHA256

    ae9ef93668bf91694a4726ac142aceb3118351d87d45033b8e5833da41a19add

  • SHA512

    e59db0522d34ee8630be4eff221e4900c885b2df340736e8cebd0867ec6528596cfe2e8e89f8fdb330e8a5343dd9d96a2af725b5a82a6bf232ceacac7be890dc

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      ae9ef93668bf91694a4726ac142aceb3118351d87d45033b8e5833da41a19add

    • Size

      636KB

    • MD5

      956d7f5dd729ca757837227f034ae504

    • SHA1

      ba4e69e4129899b91df8b79d856bf777e648d998

    • SHA256

      ae9ef93668bf91694a4726ac142aceb3118351d87d45033b8e5833da41a19add

    • SHA512

      e59db0522d34ee8630be4eff221e4900c885b2df340736e8cebd0867ec6528596cfe2e8e89f8fdb330e8a5343dd9d96a2af725b5a82a6bf232ceacac7be890dc

    • 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