General

  • Target

    f834738127238a52e91b35ee95ce880413957710c2381bc741003821690192e8

  • Size

    2.2MB

  • Sample

    211117-ncq8gaggfp

  • MD5

    3e2a66c674f18aa892ec7a9883164596

  • SHA1

    94a37bce5329b88a8e79f9006769b3d873741eae

  • SHA256

    f834738127238a52e91b35ee95ce880413957710c2381bc741003821690192e8

  • SHA512

    bc6adaa118cca8dd53e398bcdabeda7b743fb555d19fc1e5a2e5df1707a0ca909e1d22595328902eca7aafe53f366a6b64d4c8d8da8a30a9c42d2db9fb66b438

Malware Config

Extracted

Family

vidar

Version

48.6

Botnet

869

C2

https://mastodon.online/@valhalla

https://koyu.space/@valhalla

Attributes
  • profile_id

    869

Targets

    • Target

      f834738127238a52e91b35ee95ce880413957710c2381bc741003821690192e8

    • Size

      2.2MB

    • MD5

      3e2a66c674f18aa892ec7a9883164596

    • SHA1

      94a37bce5329b88a8e79f9006769b3d873741eae

    • SHA256

      f834738127238a52e91b35ee95ce880413957710c2381bc741003821690192e8

    • SHA512

      bc6adaa118cca8dd53e398bcdabeda7b743fb555d19fc1e5a2e5df1707a0ca909e1d22595328902eca7aafe53f366a6b64d4c8d8da8a30a9c42d2db9fb66b438

    • 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

    • 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

    • 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

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks