General

  • Target

    7a28de125eca898c0c846d6426c802f6392fbd70273dd6b9ff9ca1a362dbc375

  • Size

    1.9MB

  • Sample

    220523-3wg68sddbm

  • MD5

    1d4b84c77fe2325e2708a67836ca410e

  • SHA1

    4a671f5bc0f1e1f3b1f075983ed5a548002b31df

  • SHA256

    7a28de125eca898c0c846d6426c802f6392fbd70273dd6b9ff9ca1a362dbc375

  • SHA512

    32823eebbae366df07a925d8a87ea3ef8e3ac5bd768cf81a4d8a8836201630e9d6de895cdd257a00991e09d8a089deec6bb721110692d1cc3d600cd7221a895e

Malware Config

Extracted

Family

vidar

Version

13.7

Botnet

223

C2

http://keitbeschutzen.com/

Attributes
  • profile_id

    223

Targets

    • Target

      7a28de125eca898c0c846d6426c802f6392fbd70273dd6b9ff9ca1a362dbc375

    • Size

      1.9MB

    • MD5

      1d4b84c77fe2325e2708a67836ca410e

    • SHA1

      4a671f5bc0f1e1f3b1f075983ed5a548002b31df

    • SHA256

      7a28de125eca898c0c846d6426c802f6392fbd70273dd6b9ff9ca1a362dbc375

    • SHA512

      32823eebbae366df07a925d8a87ea3ef8e3ac5bd768cf81a4d8a8836201630e9d6de895cdd257a00991e09d8a089deec6bb721110692d1cc3d600cd7221a895e

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Tasks