General

  • Target

    https://download2443.mediafire.com/x4uwwfloeaygxL5GHsEzy0eCUtdqAdfkwWDcAdOzNs9zOu8lP8Y7qAUSWdsY_9cHVdjkNEhG2IFlfvYFpi2ML8tMnW4yhL5otmsYMeU98b2cfgeDmV2sGT0LEckv0RT0zYHlOEMndEj1BxCOtLGZNw0nAOKBFijv9GjflztzjPRv/6qlgkk944clzjkt/iFRPFILE+AIO+v2.8.6.zip

  • Sample

    240529-kxczsshd5t

Malware Config

Targets

    • Target

      https://download2443.mediafire.com/x4uwwfloeaygxL5GHsEzy0eCUtdqAdfkwWDcAdOzNs9zOu8lP8Y7qAUSWdsY_9cHVdjkNEhG2IFlfvYFpi2ML8tMnW4yhL5otmsYMeU98b2cfgeDmV2sGT0LEckv0RT0zYHlOEMndEj1BxCOtLGZNw0nAOKBFijv9GjflztzjPRv/6qlgkk944clzjkt/iFRPFILE+AIO+v2.8.6.zip

    • 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.

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks