General

  • Target
    aa7d145d484fa892d093a57572d71ab2db9d6685287693669adba5d445a92545
  • Size 1.8MB
  • Sample260912-1t7yrsyset
  • SHA256 aa7d145d484fa892d093a57572d71ab2db9d6685287693669adba5d445a92545
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      aa7d145d484fa892d093a57572d71ab2db9d6685287693669adba5d445a92545
    • Size 1.8MB
    • SHA256 aa7d145d484fa892d093a57572d71ab2db9d6685287693669adba5d445a92545
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Nabucur

      Nabucur is a ransomware first seen in 2015.

    • Modifies visibility of file extensions in Explorer

    • Renames multiple (158) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks