General

  • Target

    2024-06-10_4b3900f73e32ef05b83a3e36d5ac118c_cryptolocker

  • Size

    39KB

  • Sample

    240610-1c3bys1hqj

  • MD5

    4b3900f73e32ef05b83a3e36d5ac118c

  • SHA1

    8c67b08612db8d7831d3f212330ad48cb7f64c10

  • SHA256

    acc87b66ef3f1d937b05f84d6d1cc5dbac1ca0c87b963f3a6de5c28a9c123b44

  • SHA512

    a4ccdf6807ac4335453b529bb414dc36b1adbb5405c698936fe4b6f8f1a95c1fd9d831cb7544897342e6ec48c2b84d03064d43fa223575bd4e9e69c78552a499

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan/Nt:qDdFJy3QMOtEvwDpjjWMl7Tdn/3

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-06-10_4b3900f73e32ef05b83a3e36d5ac118c_cryptolocker

    • Size

      39KB

    • MD5

      4b3900f73e32ef05b83a3e36d5ac118c

    • SHA1

      8c67b08612db8d7831d3f212330ad48cb7f64c10

    • SHA256

      acc87b66ef3f1d937b05f84d6d1cc5dbac1ca0c87b963f3a6de5c28a9c123b44

    • SHA512

      a4ccdf6807ac4335453b529bb414dc36b1adbb5405c698936fe4b6f8f1a95c1fd9d831cb7544897342e6ec48c2b84d03064d43fa223575bd4e9e69c78552a499

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan/Nt:qDdFJy3QMOtEvwDpjjWMl7Tdn/3

    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