General

  • Target

    4c1c025b28d72a2b1e4b87670c3c39ddc5225d092d9683899e6d8aa5f97294ed

  • Size

    2.5MB

  • Sample

    220524-ec4dcsabbk

  • MD5

    569f9449536f4c7ad61a129a6827a55a

  • SHA1

    b32a9772c1c33b35c24dfbdf7b7cb2ced1db654c

  • SHA256

    4c1c025b28d72a2b1e4b87670c3c39ddc5225d092d9683899e6d8aa5f97294ed

  • SHA512

    a9a1d01bd33f71ade77af340fe2a6f031b3ecbaa4377cabf01bbf67fcd88f4cf78f56dc3e633722a5ffc31ac94f19031e93331f69ebcd5f6e4480c647167de0e

Malware Config

Extracted

Family

vidar

Version

10.9

Botnet

223

C2

http://funkybuddhahostel.top/

Attributes
  • profile_id

    223

Targets

    • Target

      4c1c025b28d72a2b1e4b87670c3c39ddc5225d092d9683899e6d8aa5f97294ed

    • Size

      2.5MB

    • MD5

      569f9449536f4c7ad61a129a6827a55a

    • SHA1

      b32a9772c1c33b35c24dfbdf7b7cb2ced1db654c

    • SHA256

      4c1c025b28d72a2b1e4b87670c3c39ddc5225d092d9683899e6d8aa5f97294ed

    • SHA512

      a9a1d01bd33f71ade77af340fe2a6f031b3ecbaa4377cabf01bbf67fcd88f4cf78f56dc3e633722a5ffc31ac94f19031e93331f69ebcd5f6e4480c647167de0e

    • 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