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General

  • Target

    2024-04-05_5903c1818823ac32de496c08bf75e227_cryptolocker

  • Size

    63KB

  • Sample

    240405-zce1zsdc99

  • MD5

    5903c1818823ac32de496c08bf75e227

  • SHA1

    b793839c76bbae1fd968585dabff7d34419378a8

  • SHA256

    4f36558b30a0c30138d276ad1e5163e6e8c96fe67188a8eecc3b79c1d06925d5

  • SHA512

    07695ad43c40f84e07c7e549bf803ddfbf7d573ca2f79b6f43e000c2f3802365990937e6ecf3f2f9dfcbe3c5696e6898dcf15b54d46095760934ddc2cbe02479

  • SSDEEP

    768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVwfX7:zj+soPSMOtEvwDpj4kpmeLmnw7

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-05_5903c1818823ac32de496c08bf75e227_cryptolocker

    • Size

      63KB

    • MD5

      5903c1818823ac32de496c08bf75e227

    • SHA1

      b793839c76bbae1fd968585dabff7d34419378a8

    • SHA256

      4f36558b30a0c30138d276ad1e5163e6e8c96fe67188a8eecc3b79c1d06925d5

    • SHA512

      07695ad43c40f84e07c7e549bf803ddfbf7d573ca2f79b6f43e000c2f3802365990937e6ecf3f2f9dfcbe3c5696e6898dcf15b54d46095760934ddc2cbe02479

    • SSDEEP

      768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVwfX7:zj+soPSMOtEvwDpj4kpmeLmnw7

    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