General

  • Target

    6d04ea83251f3206bfe3cf4a33d803792bec2496db275801ecb53e486bd0fe9e

  • Size

    1.8MB

  • Sample

    220111-ymjw9ahccq

  • MD5

    152ea6fcb5da38701c49ac77522c3fd4

  • SHA1

    a7177bee68bdd28ce65840e9057d3cb21a078c08

  • SHA256

    6d04ea83251f3206bfe3cf4a33d803792bec2496db275801ecb53e486bd0fe9e

  • SHA512

    610ba8d994735fc1039f441479c9a66ac16c610cb43ed9dc2f76aa0b7a20fd16c9c256e4a23be365673464a1fa8774fdd0bf2b52df6fe7840602275620ff8659

Malware Config

Extracted

Family

vidar

Version

49.6

Botnet

1125

C2

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes
  • profile_id

    1125

Targets

    • Target

      6d04ea83251f3206bfe3cf4a33d803792bec2496db275801ecb53e486bd0fe9e

    • Size

      1.8MB

    • MD5

      152ea6fcb5da38701c49ac77522c3fd4

    • SHA1

      a7177bee68bdd28ce65840e9057d3cb21a078c08

    • SHA256

      6d04ea83251f3206bfe3cf4a33d803792bec2496db275801ecb53e486bd0fe9e

    • SHA512

      610ba8d994735fc1039f441479c9a66ac16c610cb43ed9dc2f76aa0b7a20fd16c9c256e4a23be365673464a1fa8774fdd0bf2b52df6fe7840602275620ff8659

    • 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

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

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