General

  • Target

    76816732db8051f52654c9969f4b6d028b8a8ab327fe79c26653e86d43ace11d

  • Size

    1.8MB

  • Sample

    221201-dsgzmaaa99

  • MD5

    0dffd34640eb0bf4a199ee3ed018ae52

  • SHA1

    fd381c88c26c51e6a5a313a9b83b9d185e6f86f9

  • SHA256

    76816732db8051f52654c9969f4b6d028b8a8ab327fe79c26653e86d43ace11d

  • SHA512

    4eaa7678c80fcc3779ed07e4f27f0a42630c98e1727850fabd547be395a5d2ae2e40350a3db445934f79e059eff660f160d9f649521edb5cc5f0d72e896d002a

  • SSDEEP

    24576:3B/E0QwpHP5IX2Zfxh5sVuRmG4WLKPBHmOnrRbPqnpMd5itymGqEFNIjsgW:R/d9pvxMuR4WwH5rhOpeUtRELIog

Malware Config

Targets

    • Target

      76816732db8051f52654c9969f4b6d028b8a8ab327fe79c26653e86d43ace11d

    • Size

      1.8MB

    • MD5

      0dffd34640eb0bf4a199ee3ed018ae52

    • SHA1

      fd381c88c26c51e6a5a313a9b83b9d185e6f86f9

    • SHA256

      76816732db8051f52654c9969f4b6d028b8a8ab327fe79c26653e86d43ace11d

    • SHA512

      4eaa7678c80fcc3779ed07e4f27f0a42630c98e1727850fabd547be395a5d2ae2e40350a3db445934f79e059eff660f160d9f649521edb5cc5f0d72e896d002a

    • SSDEEP

      24576:3B/E0QwpHP5IX2Zfxh5sVuRmG4WLKPBHmOnrRbPqnpMd5itymGqEFNIjsgW:R/d9pvxMuR4WwH5rhOpeUtRELIog

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

    • Executes dropped EXE

    • 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

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks