General

  • Target

    ce0d60f22d3b9286115b57b1a4d3cbe7f6a5bad40fc1a896d532eafc02f22835

  • Size

    6.2MB

  • Sample

    240525-w88rdsec44

  • MD5

    be9ca80b13d56e170f7471b698e2af88

  • SHA1

    bd8f25bd4149065a954189260e53319438803fc2

  • SHA256

    ce0d60f22d3b9286115b57b1a4d3cbe7f6a5bad40fc1a896d532eafc02f22835

  • SHA512

    55069ab298a6df3850ae183891fccb8ad44afff4bfb460931d52524fe3557e45fe92ed653a6b98763e7869b3f0792c28f2211c4f2cf9cbc34bc365b6ba4dfbe1

  • SSDEEP

    196608:whlLxMQgBmNVWTiLrNjKZDlxtA0Sjrfp2Ns:ulWQgBGHNjolIHj7Os

Malware Config

Targets

    • Target

      ce0d60f22d3b9286115b57b1a4d3cbe7f6a5bad40fc1a896d532eafc02f22835

    • Size

      6.2MB

    • MD5

      be9ca80b13d56e170f7471b698e2af88

    • SHA1

      bd8f25bd4149065a954189260e53319438803fc2

    • SHA256

      ce0d60f22d3b9286115b57b1a4d3cbe7f6a5bad40fc1a896d532eafc02f22835

    • SHA512

      55069ab298a6df3850ae183891fccb8ad44afff4bfb460931d52524fe3557e45fe92ed653a6b98763e7869b3f0792c28f2211c4f2cf9cbc34bc365b6ba4dfbe1

    • SSDEEP

      196608:whlLxMQgBmNVWTiLrNjKZDlxtA0Sjrfp2Ns:ulWQgBGHNjolIHj7Os

    • 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Tasks