General

  • Target

    SecuriteInfo.com.Variant.Razy.666259.24381.9628

  • Size

    2.9MB

  • Sample

    201109-ftnr41aphx

  • MD5

    739099e94c93394aa0a030d0731a19ac

  • SHA1

    f958dde2eb7f4458e8dde313a31882964bb762ea

  • SHA256

    1feb43725e49f700154098a4db30a9a699e8e1b7433aae2eaac52f62b3329b62

  • SHA512

    94ab0012e869018bb94ee537ec7ca4fdffa6b3e72258052758cb5a67d825e04a1118ef3a7eae05aa78e8aaa3405ecade7e90baa76546f1028e81efea29cc6880

Malware Config

Targets

    • Target

      SecuriteInfo.com.Variant.Razy.666259.24381.9628

    • Size

      2.9MB

    • MD5

      739099e94c93394aa0a030d0731a19ac

    • SHA1

      f958dde2eb7f4458e8dde313a31882964bb762ea

    • SHA256

      1feb43725e49f700154098a4db30a9a699e8e1b7433aae2eaac52f62b3329b62

    • SHA512

      94ab0012e869018bb94ee537ec7ca4fdffa6b3e72258052758cb5a67d825e04a1118ef3a7eae05aa78e8aaa3405ecade7e90baa76546f1028e81efea29cc6880

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Checks BIOS information in registry

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

    • 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

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks