General

  • Target

    bus.wav

  • Size

    21.6MB

  • Sample

    240630-fly1nstfqh

  • MD5

    e0f47a26ec369970094ee98e3c987e18

  • SHA1

    699b7d42da4435f92aaa4270edd5ac3e89248635

  • SHA256

    516f60793ed593751f3f8bef379430e7f19682985dc798a7535c2bbc412399de

  • SHA512

    5660babc5bfbe91cdecd6403353b997abf5ee3e1e57933283436954532f39125d396467adf8cc084f443c24b5bf47792522e3df6fc7bd634f0447cd6e998b129

  • SSDEEP

    393216:x8dNr8r9VJgVgkz0VAlkTGueYLLHl+CW1bW7V4+l8X+vZw6gvJcCHXGdMg0EQ:xE2VkgNAqTVLLHYCW1be428X+vP6JxHB

Malware Config

Targets

    • Target

      bus.wav

    • Size

      21.6MB

    • MD5

      e0f47a26ec369970094ee98e3c987e18

    • SHA1

      699b7d42da4435f92aaa4270edd5ac3e89248635

    • SHA256

      516f60793ed593751f3f8bef379430e7f19682985dc798a7535c2bbc412399de

    • SHA512

      5660babc5bfbe91cdecd6403353b997abf5ee3e1e57933283436954532f39125d396467adf8cc084f443c24b5bf47792522e3df6fc7bd634f0447cd6e998b129

    • SSDEEP

      393216:x8dNr8r9VJgVgkz0VAlkTGueYLLHl+CW1bW7V4+l8X+vZw6gvJcCHXGdMg0EQ:xE2VkgNAqTVLLHYCW1be428X+vP6JxHB

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks