General

  • Target

    3e55a9f69abdb0af5c2c343fbc1470a9aa3bdd5c163cf6502dfb28e37299c426

  • Size

    230KB

  • Sample

    221123-m569qafh66

  • MD5

    c2d03dd8c04dfcccc54764a5ba650e7c

  • SHA1

    153dd2722a3b7fe56a8e42dfb7d28179d47f914e

  • SHA256

    3e55a9f69abdb0af5c2c343fbc1470a9aa3bdd5c163cf6502dfb28e37299c426

  • SHA512

    b737ad6a9a97d4dff08cd70dc73df62d3932d6937e98fb3a9ba540b842a8842db6a1be964cae273893106e837d4fe210e3b10dfc60562771015682a12f623f1f

  • SSDEEP

    6144:GQqgsinUjtxDJtrUt3DDbr9cfOMQfduHbVmrk7q:NTUpdv23NcWJfdwb8rsq

Malware Config

Targets

    • Target

      3e55a9f69abdb0af5c2c343fbc1470a9aa3bdd5c163cf6502dfb28e37299c426

    • Size

      230KB

    • MD5

      c2d03dd8c04dfcccc54764a5ba650e7c

    • SHA1

      153dd2722a3b7fe56a8e42dfb7d28179d47f914e

    • SHA256

      3e55a9f69abdb0af5c2c343fbc1470a9aa3bdd5c163cf6502dfb28e37299c426

    • SHA512

      b737ad6a9a97d4dff08cd70dc73df62d3932d6937e98fb3a9ba540b842a8842db6a1be964cae273893106e837d4fe210e3b10dfc60562771015682a12f623f1f

    • SSDEEP

      6144:GQqgsinUjtxDJtrUt3DDbr9cfOMQfduHbVmrk7q:NTUpdv23NcWJfdwb8rsq

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

2
T1112

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Tasks