General

  • Target

    c5550c96d79c0b15ad6de5eedb47a749b9c5c332b8a74c7920f4e86aadd54fb0

  • Size

    2.7MB

  • Sample

    220211-epbh4saff5

  • MD5

    534d79aecaca9abd0c7d8bc0c02cb729

  • SHA1

    1b50cb3b0b15b6bfc0527b1e622a1bf8b6d1985f

  • SHA256

    c5550c96d79c0b15ad6de5eedb47a749b9c5c332b8a74c7920f4e86aadd54fb0

  • SHA512

    f23e58a2bfea80857b05aea6c7ba984f4e4bbdb43c6a9160ee55173c9d5c04e2d13c962fcdbc5b3bc1ad3d3fd6cef01c8a9d10f7c8e06249327bcfad5aa3a3c7

Malware Config

Targets

    • Target

      c5550c96d79c0b15ad6de5eedb47a749b9c5c332b8a74c7920f4e86aadd54fb0

    • Size

      2.7MB

    • MD5

      534d79aecaca9abd0c7d8bc0c02cb729

    • SHA1

      1b50cb3b0b15b6bfc0527b1e622a1bf8b6d1985f

    • SHA256

      c5550c96d79c0b15ad6de5eedb47a749b9c5c332b8a74c7920f4e86aadd54fb0

    • SHA512

      f23e58a2bfea80857b05aea6c7ba984f4e4bbdb43c6a9160ee55173c9d5c04e2d13c962fcdbc5b3bc1ad3d3fd6cef01c8a9d10f7c8e06249327bcfad5aa3a3c7

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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • 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