General

  • Target

    xvtOZIuNfu.exe

  • Size

    5.2MB

  • Sample

    230326-h74jdshg41

  • MD5

    87262f73867c2aae6cad297fa858455a

  • SHA1

    ca9648a43e2c36b8a660483e0fc10164a4108f98

  • SHA256

    577dbd64daab087699592a9a7b63a5547c7c4595cf8162a818ed40c60d6b3721

  • SHA512

    48d04479f7459dfa6fd6b2213e8fbaa7e7db6dbf6b9fd1fe76696068f6fae32aa2c59b7d8efc934b976790c77dba1ab040d02770c2bf218b804e0736557c1ae2

  • SSDEEP

    98304:vQN7vXi5fVFmqmecgwRZpux5fa00X05ncifxsOxald4EsqCYxoI:vQVy5vmqmlxNux1B/cRR/4v8X

Malware Config

Targets

    • Target

      xvtOZIuNfu.exe

    • Size

      5.2MB

    • MD5

      87262f73867c2aae6cad297fa858455a

    • SHA1

      ca9648a43e2c36b8a660483e0fc10164a4108f98

    • SHA256

      577dbd64daab087699592a9a7b63a5547c7c4595cf8162a818ed40c60d6b3721

    • SHA512

      48d04479f7459dfa6fd6b2213e8fbaa7e7db6dbf6b9fd1fe76696068f6fae32aa2c59b7d8efc934b976790c77dba1ab040d02770c2bf218b804e0736557c1ae2

    • SSDEEP

      98304:vQN7vXi5fVFmqmecgwRZpux5fa00X05ncifxsOxald4EsqCYxoI:vQVy5vmqmlxNux1B/cRR/4v8X

    • 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