General

  • Target

    SecuriteInfo.com.Variant.Razy.945356.15791.15020

  • Size

    3.0MB

  • Sample

    210926-xs8xwsfcd3

  • MD5

    4d16d5c87a59de89bc4c2e4c8e35f87d

  • SHA1

    92ce5bf5e0caba22bfc7a2733355627c4fe363c7

  • SHA256

    f7ed4e6663e464417a8c11a641c2935ca324ad6c4aaa418a323991cd9bff70e1

  • SHA512

    ed4f3fbe817f2cf244b076b7cde6c8f29bb02bf79bbcb98a136c7f2ca9fbdb7e427064d3b4aa15d72b4d05d01c68dba83638420e9e1563d218ef15d65f90fd02

Malware Config

Targets

    • Target

      SecuriteInfo.com.Variant.Razy.945356.15791.15020

    • Size

      3.0MB

    • MD5

      4d16d5c87a59de89bc4c2e4c8e35f87d

    • SHA1

      92ce5bf5e0caba22bfc7a2733355627c4fe363c7

    • SHA256

      f7ed4e6663e464417a8c11a641c2935ca324ad6c4aaa418a323991cd9bff70e1

    • SHA512

      ed4f3fbe817f2cf244b076b7cde6c8f29bb02bf79bbcb98a136c7f2ca9fbdb7e427064d3b4aa15d72b4d05d01c68dba83638420e9e1563d218ef15d65f90fd02

    • 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 web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks