General

  • Target

    2499dc5759909cebbd4076246b915636beafa2d2f0331090fcca498942665f79

  • Size

    635KB

  • Sample

    211012-nmcstscbgk

  • MD5

    6386ed17364f38af5498ce4fdb06b547

  • SHA1

    80293cb4b80ca1e34fdd38add1b9a99071614459

  • SHA256

    2499dc5759909cebbd4076246b915636beafa2d2f0331090fcca498942665f79

  • SHA512

    c46a3df4c14300d80a1321e653fddc55193bd71ca42514d19b398184dfc05c25b3cb0d319180a62015ee88a8630a352e96246dec83da3383d445ee601f3a1a7a

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      2499dc5759909cebbd4076246b915636beafa2d2f0331090fcca498942665f79

    • Size

      635KB

    • MD5

      6386ed17364f38af5498ce4fdb06b547

    • SHA1

      80293cb4b80ca1e34fdd38add1b9a99071614459

    • SHA256

      2499dc5759909cebbd4076246b915636beafa2d2f0331090fcca498942665f79

    • SHA512

      c46a3df4c14300d80a1321e653fddc55193bd71ca42514d19b398184dfc05c25b3cb0d319180a62015ee88a8630a352e96246dec83da3383d445ee601f3a1a7a

    • 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