General

  • Target

    e5574879c41104792bdd160aa8009a119e0d38b982b46f62bd0896faff05d04f

  • Size

    636KB

  • Sample

    211012-rwtdqacdfq

  • MD5

    171a880a988204165e34d6d75c58491a

  • SHA1

    2c0d29987fd36392c32244e95986d85574593517

  • SHA256

    e5574879c41104792bdd160aa8009a119e0d38b982b46f62bd0896faff05d04f

  • SHA512

    2705c3ec777196beac2bb415b9abd03b703f308673a8ee750b140bee2dc0176c37afec8802690866ca2e9797b1001a7a926dbe37e6f803e8f14c49a79c762fee

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      e5574879c41104792bdd160aa8009a119e0d38b982b46f62bd0896faff05d04f

    • Size

      636KB

    • MD5

      171a880a988204165e34d6d75c58491a

    • SHA1

      2c0d29987fd36392c32244e95986d85574593517

    • SHA256

      e5574879c41104792bdd160aa8009a119e0d38b982b46f62bd0896faff05d04f

    • SHA512

      2705c3ec777196beac2bb415b9abd03b703f308673a8ee750b140bee2dc0176c37afec8802690866ca2e9797b1001a7a926dbe37e6f803e8f14c49a79c762fee

    • 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