General

  • Target

    2024-05-22_4d9f7f5500ae29193e79b16f1f1161ad_cryptolocker

  • Size

    40KB

  • Sample

    240522-yldnvaec4s

  • MD5

    4d9f7f5500ae29193e79b16f1f1161ad

  • SHA1

    cf212fa3c349570403b89a688f3aab964095f2da

  • SHA256

    fd5be67b4759e29340f53feaf6e4c1e8eb4e751b69dd642ccce053c02639a927

  • SHA512

    43efbb28e81aa8045aa52973e85170923632dd6c3a1dcecdae13cba7996c42a6c9efefccffeac41052706c1a1cfd3c888b10a23ee631a48182eb4a1ecc4fc04f

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB0gd:qDdFJy3QMOtEvwDpjjWMl7TdCgd

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_4d9f7f5500ae29193e79b16f1f1161ad_cryptolocker

    • Size

      40KB

    • MD5

      4d9f7f5500ae29193e79b16f1f1161ad

    • SHA1

      cf212fa3c349570403b89a688f3aab964095f2da

    • SHA256

      fd5be67b4759e29340f53feaf6e4c1e8eb4e751b69dd642ccce053c02639a927

    • SHA512

      43efbb28e81aa8045aa52973e85170923632dd6c3a1dcecdae13cba7996c42a6c9efefccffeac41052706c1a1cfd3c888b10a23ee631a48182eb4a1ecc4fc04f

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB0gd:qDdFJy3QMOtEvwDpjjWMl7TdCgd

    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