General

  • Target

    SPOOFER_AC_BLOCKER.exe

  • Size

    3.5MB

  • Sample

    230326-e5383afe35

  • MD5

    477c6e1f4f142e550469a352a9a8b8a7

  • SHA1

    9d5fc700660494f133235266bec04060234df9e7

  • SHA256

    286f4b475b248fcb08bcec57234303647da69515e8258cebda2ee7dbcd6f4541

  • SHA512

    4d83c9f4dad54af11cedb5ea9dd9fa2544045637cd937ea0cfcd70113b26ec903c6f1a9cc340b7c7aa76a7d559213d1d776fcc2f0e8a30c3d9f6ce237615f3b3

  • SSDEEP

    49152:qtkuOsOrajWHPKPmYfEKbFpXVT2Fy/VFUvSntXmrxplSNk6J/sfEAXoW96NdLA6n:JujOrRgmYfFuItFqamrANxsfnXoWod0G

Malware Config

Targets

    • Target

      SPOOFER_AC_BLOCKER.exe

    • Size

      3.5MB

    • MD5

      477c6e1f4f142e550469a352a9a8b8a7

    • SHA1

      9d5fc700660494f133235266bec04060234df9e7

    • SHA256

      286f4b475b248fcb08bcec57234303647da69515e8258cebda2ee7dbcd6f4541

    • SHA512

      4d83c9f4dad54af11cedb5ea9dd9fa2544045637cd937ea0cfcd70113b26ec903c6f1a9cc340b7c7aa76a7d559213d1d776fcc2f0e8a30c3d9f6ce237615f3b3

    • SSDEEP

      49152:qtkuOsOrajWHPKPmYfEKbFpXVT2Fy/VFUvSntXmrxplSNk6J/sfEAXoW96NdLA6n:JujOrRgmYfFuItFqamrANxsfnXoWod0G

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks