General

  • Target

    SecuriteInfo.com.Variant.Razy.666259.18961.14144

  • Size

    3.0MB

  • Sample

    201109-6t8n37sjqj

  • MD5

    183ed8bd9edd06f4e9243e6d48061461

  • SHA1

    198f001072707b90af18bf3cf37d4558ae026118

  • SHA256

    138186892d63fe3b0d5f8c62bd3b11737392e22fd5fd68f32dd5612e78a6407c

  • SHA512

    aa8334352f6d10050b10cfc74f4f86ed0c6187a154b13f7c5aad8aff716b724932161a73751532b7cc7157f3ca22d5e5aeb75a7f65df0811340ecc1e815302a3

Malware Config

Targets

    • Target

      SecuriteInfo.com.Variant.Razy.666259.18961.14144

    • Size

      3.0MB

    • MD5

      183ed8bd9edd06f4e9243e6d48061461

    • SHA1

      198f001072707b90af18bf3cf37d4558ae026118

    • SHA256

      138186892d63fe3b0d5f8c62bd3b11737392e22fd5fd68f32dd5612e78a6407c

    • SHA512

      aa8334352f6d10050b10cfc74f4f86ed0c6187a154b13f7c5aad8aff716b724932161a73751532b7cc7157f3ca22d5e5aeb75a7f65df0811340ecc1e815302a3

    • 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