General

  • Target

    4b950c5c6fe92bd325e358e4309ae344012bc9bd12ccf3d8291aacdf3a7a28e6

  • Size

    682KB

  • Sample

    211012-ymj71sdaam

  • MD5

    294d6e9070520e300ee16ce147e0c3a9

  • SHA1

    445b317bacc81c5a219dca95c49dd93b9b5a31cb

  • SHA256

    4b950c5c6fe92bd325e358e4309ae344012bc9bd12ccf3d8291aacdf3a7a28e6

  • SHA512

    725f81cc07b7551baf16b8b0fab484ec4241c6d39dff343a463f1603f5d64b4ac15e09078a600df03d5a2ac730272fd46e515209f49fa94dfaae0dd9156542e2

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      4b950c5c6fe92bd325e358e4309ae344012bc9bd12ccf3d8291aacdf3a7a28e6

    • Size

      682KB

    • MD5

      294d6e9070520e300ee16ce147e0c3a9

    • SHA1

      445b317bacc81c5a219dca95c49dd93b9b5a31cb

    • SHA256

      4b950c5c6fe92bd325e358e4309ae344012bc9bd12ccf3d8291aacdf3a7a28e6

    • SHA512

      725f81cc07b7551baf16b8b0fab484ec4241c6d39dff343a463f1603f5d64b4ac15e09078a600df03d5a2ac730272fd46e515209f49fa94dfaae0dd9156542e2

    • 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