General

  • Target

    2024-05-27_409504b05d467e3889ac457f5f1a037d_cryptolocker

  • Size

    40KB

  • Sample

    240527-w3tehsec82

  • MD5

    409504b05d467e3889ac457f5f1a037d

  • SHA1

    a6d4f4daa3e1f7f66ee1bc9b3110c14f74627cd1

  • SHA256

    77e5a226d1bd81c6c44a35b5ef7782083288fd8bb8d19a3ea9c2e7549280b1c3

  • SHA512

    5cdb14a463cd141c21bd0b98b504123a45491313e74b0de405bc849281d361406a505c6f0d0e42e520171e2dc696807a3c779bf027833dead1f5a15dae810dc0

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan/MCm:qDdFJy3QMOtEvwDpjjWMl7Tdn/W

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-27_409504b05d467e3889ac457f5f1a037d_cryptolocker

    • Size

      40KB

    • MD5

      409504b05d467e3889ac457f5f1a037d

    • SHA1

      a6d4f4daa3e1f7f66ee1bc9b3110c14f74627cd1

    • SHA256

      77e5a226d1bd81c6c44a35b5ef7782083288fd8bb8d19a3ea9c2e7549280b1c3

    • SHA512

      5cdb14a463cd141c21bd0b98b504123a45491313e74b0de405bc849281d361406a505c6f0d0e42e520171e2dc696807a3c779bf027833dead1f5a15dae810dc0

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan/MCm:qDdFJy3QMOtEvwDpjjWMl7Tdn/W

    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