General

  • Target

    63e38dc331cd8b202d9109dd5b0e08162673c0661344a06252811d066548c31b

  • Size

    1.0MB

  • Sample

    220117-tgjl3sbad3

  • MD5

    acabd1f99b9e449d951dea975e1f1ad5

  • SHA1

    ef545ca153737d6246be2cd3de1b26fb92241327

  • SHA256

    63e38dc331cd8b202d9109dd5b0e08162673c0661344a06252811d066548c31b

  • SHA512

    e92d6a0f11d2d96267682eed231e8f5580e32df705bc6c0eeb0b6f7fbbe7c56c67267c8e1994c55bb724343e904137808e1fc9636750d2730aa42b3bf217abd1

Malware Config

Targets

    • Target

      63e38dc331cd8b202d9109dd5b0e08162673c0661344a06252811d066548c31b

    • Size

      1.0MB

    • MD5

      acabd1f99b9e449d951dea975e1f1ad5

    • SHA1

      ef545ca153737d6246be2cd3de1b26fb92241327

    • SHA256

      63e38dc331cd8b202d9109dd5b0e08162673c0661344a06252811d066548c31b

    • SHA512

      e92d6a0f11d2d96267682eed231e8f5580e32df705bc6c0eeb0b6f7fbbe7c56c67267c8e1994c55bb724343e904137808e1fc9636750d2730aa42b3bf217abd1

    • Modifies Windows Defender Real-time Protection settings

    • Suspicious use of NtCreateProcessExOtherParentProcess

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks