General

  • Target

    OperaSetup.exe

  • Size

    2.3MB

  • Sample

    230705-mx3xbsbf58

  • MD5

    4310bbb114df4aace5df0a08b6a82b92

  • SHA1

    02f4597b35d9aef5a08aecaa79ba184be232bd78

  • SHA256

    257cedae2d29dba089fb21b95543d146d45d2d653a6a6ff4ce7a33c6b7328dc5

  • SHA512

    151c21af8e3ed9a926c421e4be4fa2fa1c3ee9e63eae05187e86ac287689fb07b004c5c0864e3e50d04d9a6fb866f0d1c2a2afe7b6523642a9c20439c269bc89

  • SSDEEP

    49152:9d3e52OJVEfaOEMhbJe9mOxPdrwKPUa/GV1ztyQQXRbh0uNkQAYGvlzCJUu:fUHEf/zJcU+5wKPUauV1z0QQhb+uyQAy

Malware Config

Targets

    • Target

      OperaSetup.exe

    • Size

      2.3MB

    • MD5

      4310bbb114df4aace5df0a08b6a82b92

    • SHA1

      02f4597b35d9aef5a08aecaa79ba184be232bd78

    • SHA256

      257cedae2d29dba089fb21b95543d146d45d2d653a6a6ff4ce7a33c6b7328dc5

    • SHA512

      151c21af8e3ed9a926c421e4be4fa2fa1c3ee9e63eae05187e86ac287689fb07b004c5c0864e3e50d04d9a6fb866f0d1c2a2afe7b6523642a9c20439c269bc89

    • SSDEEP

      49152:9d3e52OJVEfaOEMhbJe9mOxPdrwKPUa/GV1ztyQQXRbh0uNkQAYGvlzCJUu:fUHEf/zJcU+5wKPUauV1z0QQhb+uyQAy

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • UPX packed file

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v6

Tasks