General

  • Target

    ee1f34934049869dd608a6f1bea4aa5e0d27af7d197c96a21df301b60af64f53

  • Size

    10.0MB

  • Sample

    231205-vsrx9sde62

  • MD5

    73035d421b0a5db8728c28888ad73593

  • SHA1

    5b3279de1d7991d93e07f1efde31d5b0872114b0

  • SHA256

    ee1f34934049869dd608a6f1bea4aa5e0d27af7d197c96a21df301b60af64f53

  • SHA512

    3f28920e9d6458dd0d3b7ad9bd30b5199e1d61c735563c0b1bf52cf4b8c5e473e5b7a938fa1244d98bb3704bb9ea32bc14e6bce406f810e8ed4a5c4314da1246

  • SSDEEP

    196608:DrudeaplDyMSWKFPQwRX/taBdeTDClnHdcUQiBQ+rEKRquFYj+Ibho7:Dxaple9Fr5tp/Cl9/xFrt5FYj+G

Malware Config

Targets

    • Target

      ee1f34934049869dd608a6f1bea4aa5e0d27af7d197c96a21df301b60af64f53

    • Size

      10.0MB

    • MD5

      73035d421b0a5db8728c28888ad73593

    • SHA1

      5b3279de1d7991d93e07f1efde31d5b0872114b0

    • SHA256

      ee1f34934049869dd608a6f1bea4aa5e0d27af7d197c96a21df301b60af64f53

    • SHA512

      3f28920e9d6458dd0d3b7ad9bd30b5199e1d61c735563c0b1bf52cf4b8c5e473e5b7a938fa1244d98bb3704bb9ea32bc14e6bce406f810e8ed4a5c4314da1246

    • SSDEEP

      196608:DrudeaplDyMSWKFPQwRX/taBdeTDClnHdcUQiBQ+rEKRquFYj+Ibho7:Dxaple9Fr5tp/Cl9/xFrt5FYj+G

    • FatalRat

      FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

    • Fatal Rat payload

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

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks