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General

  • Target

    2024-05-28_3e28391175b0287421323e73c378820d_cryptolocker

  • Size

    60KB

  • Sample

    240528-ymwwtahh6v

  • MD5

    3e28391175b0287421323e73c378820d

  • SHA1

    4d267da3bed5d1064beea1a464440e7d450f2371

  • SHA256

    f79a8177347dc8b664ee6f5f84268a95dfa4148101f1dfbb447caeb5a6183245

  • SHA512

    c1b7c14c25f6f9aeafffbb44d00150b8606a1a9cf293837f230d2bb91f74cfbb2863d3ac8925666e98dd40f7d88b09450bb92ec4fd87cdf225dbe95339ee9f29

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axK38ns:z6QFElP6n+gKmddpMOtEvwDpj9aYaQ8s

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-28_3e28391175b0287421323e73c378820d_cryptolocker

    • Size

      60KB

    • MD5

      3e28391175b0287421323e73c378820d

    • SHA1

      4d267da3bed5d1064beea1a464440e7d450f2371

    • SHA256

      f79a8177347dc8b664ee6f5f84268a95dfa4148101f1dfbb447caeb5a6183245

    • SHA512

      c1b7c14c25f6f9aeafffbb44d00150b8606a1a9cf293837f230d2bb91f74cfbb2863d3ac8925666e98dd40f7d88b09450bb92ec4fd87cdf225dbe95339ee9f29

    • SSDEEP

      768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axK38ns:z6QFElP6n+gKmddpMOtEvwDpj9aYaQ8s

    Score
    9/10
    • Detection of CryptoLocker Variants

    • Detection of Cryptolocker Samples

    • UPX dump on OEP (original entry point)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks