General

  • Target

    sample

  • Size

    1KB

  • Sample

    220802-mh3b9afadm

  • MD5

    9d90e114e839e220f26dc67641381180

  • SHA1

    06963e2e95f3f2f512d848ef0169b8d72bfe18cf

  • SHA256

    1599cf392a5a3efae97a43625d54b67ae0dd75b6b36720fa7d6925ac274e04e1

  • SHA512

    7169a00cc1e5d6c8c62ade0760af0b3e067c06ad5f5f596e84ccaf993f597f60faea39132268e15f59a02f889f9ef4fcba70b76aa58150d21ee2319a65ec174d

Malware Config

Targets

    • Target

      sample

    • Size

      1KB

    • MD5

      9d90e114e839e220f26dc67641381180

    • SHA1

      06963e2e95f3f2f512d848ef0169b8d72bfe18cf

    • SHA256

      1599cf392a5a3efae97a43625d54b67ae0dd75b6b36720fa7d6925ac274e04e1

    • SHA512

      7169a00cc1e5d6c8c62ade0760af0b3e067c06ad5f5f596e84ccaf993f597f60faea39132268e15f59a02f889f9ef4fcba70b76aa58150d21ee2319a65ec174d

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Command and Control

Web Service

1
T1102

Impact

Defacement

1
T1491

Tasks