General

  • Target

    cf70b739c8248dd6c8a69bd9fdc1610b2a590a6cf03fa2cd1e80901f7892da0d

  • Size

    255KB

  • Sample

    221231-y5fybaae33

  • MD5

    bf7a1064534e4a982fd046500aeac179

  • SHA1

    dac39c83c573a5ab56bfcd996f59a2e5c41e2588

  • SHA256

    cf70b739c8248dd6c8a69bd9fdc1610b2a590a6cf03fa2cd1e80901f7892da0d

  • SHA512

    dd80625d646c1d22121019e8a9d676c53b48883dba7e31b88df51ceb4142b9fe89dcdce2db4aecf64ba61e6f6493e6d16b813473904832343011569fcde45b8e

  • SSDEEP

    3072:o5aX4uYV1LUkJaSKmRC67c0yKLTuZjD/8pX5EkcEUIymqfh8mJH27hZY:F4JLUzSK967Ny8CZjDS5Ek8CKmmkZY

Malware Config

Extracted

Family

aurora

C2

45.15.156.97:8081

Targets

    • Target

      cf70b739c8248dd6c8a69bd9fdc1610b2a590a6cf03fa2cd1e80901f7892da0d

    • Size

      255KB

    • MD5

      bf7a1064534e4a982fd046500aeac179

    • SHA1

      dac39c83c573a5ab56bfcd996f59a2e5c41e2588

    • SHA256

      cf70b739c8248dd6c8a69bd9fdc1610b2a590a6cf03fa2cd1e80901f7892da0d

    • SHA512

      dd80625d646c1d22121019e8a9d676c53b48883dba7e31b88df51ceb4142b9fe89dcdce2db4aecf64ba61e6f6493e6d16b813473904832343011569fcde45b8e

    • SSDEEP

      3072:o5aX4uYV1LUkJaSKmRC67c0yKLTuZjD/8pX5EkcEUIymqfh8mJH27hZY:F4JLUzSK967Ny8CZjDS5Ek8CKmmkZY

    • Aurora

      Aurora is a crypto wallet stealer written in Golang.

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks