General

  • Target

    OperaSetup.exe

  • Size

    2.7MB

  • Sample

    230131-x2rpzabf8z

  • MD5

    1f2f77e7ca77b6fd0bdb047417c82334

  • SHA1

    f797cce1bd4d3f4c4bdbe123c4fbe20e9c029459

  • SHA256

    3d600f37e06d0023218d6aa1442cfa10e93a59aa356efcf8d25b1fcafb57056f

  • SHA512

    01d87b0d3ecb593be27d75073b09dff839f6b4afc56210b9205bb7e35b3ad14b4f5487d024f64fa553301d2772319f81fddf724da059f100c259c75e85c81f11

  • SSDEEP

    49152:pTzo6XzzG0QOLuNdIYHAmBOvHPCsobcUAUHaQDp/SOuPnHafxrbNE:pfomW0kdPHAmuHPCCmHaQDBCnHafxrBE

Malware Config

Targets

    • Target

      OperaSetup.exe

    • Size

      2.7MB

    • MD5

      1f2f77e7ca77b6fd0bdb047417c82334

    • SHA1

      f797cce1bd4d3f4c4bdbe123c4fbe20e9c029459

    • SHA256

      3d600f37e06d0023218d6aa1442cfa10e93a59aa356efcf8d25b1fcafb57056f

    • SHA512

      01d87b0d3ecb593be27d75073b09dff839f6b4afc56210b9205bb7e35b3ad14b4f5487d024f64fa553301d2772319f81fddf724da059f100c259c75e85c81f11

    • SSDEEP

      49152:pTzo6XzzG0QOLuNdIYHAmBOvHPCsobcUAUHaQDp/SOuPnHafxrbNE:pfomW0kdPHAmuHPCCmHaQDBCnHafxrBE

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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

    • 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