General

  • Target

    SecuriteInfo.com.Variant.Razy.654349.15187.30626

  • Size

    2.6MB

  • Sample

    201109-cc97nsexcs

  • MD5

    07e6d28d53af0260c1cf07a1a7171fc7

  • SHA1

    f5cae56f74c344d79972540b9bb4d315b6df3ce1

  • SHA256

    08c31318d635778eaaf19c55440ed58570e764db28339f3061d927d9f3643ce3

  • SHA512

    c93e57235cafadfdb7a93f17409db434ec9d4edf66075ab0da2f22a64af9806c0d1ad8338be348c30ccc038cfd781e4f6eb92c0a4d88a27dfcdf517245e25bc4

Malware Config

Targets

    • Target

      SecuriteInfo.com.Variant.Razy.654349.15187.30626

    • Size

      2.6MB

    • MD5

      07e6d28d53af0260c1cf07a1a7171fc7

    • SHA1

      f5cae56f74c344d79972540b9bb4d315b6df3ce1

    • SHA256

      08c31318d635778eaaf19c55440ed58570e764db28339f3061d927d9f3643ce3

    • SHA512

      c93e57235cafadfdb7a93f17409db434ec9d4edf66075ab0da2f22a64af9806c0d1ad8338be348c30ccc038cfd781e4f6eb92c0a4d88a27dfcdf517245e25bc4

    • 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