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General

  • Target

    2024-05-24_1cffaf83707e9c6aaa7faca986e2cc19_cryptolocker

  • Size

    59KB

  • Sample

    240524-btbswsgb6x

  • MD5

    1cffaf83707e9c6aaa7faca986e2cc19

  • SHA1

    1c5a3c7bd05c14e1af6c6f52cd7b008c6255cbb5

  • SHA256

    5b13812e39af08f51b104ab40d901fe4c4bb6d95fd134e373cf3546ab5821b1a

  • SHA512

    a804e97f0e68a16a062bfd6eaeebfb823457a765f2b5221990cd3d538b3e7e466a2f5c55f11008c6b71f70dd806a96c6ebca6a704211b6692f0c544e76a46081

  • SSDEEP

    768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPB3I:H6QFElP6n+gou9cvMOtEvwDpjCpVXYY

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-24_1cffaf83707e9c6aaa7faca986e2cc19_cryptolocker

    • Size

      59KB

    • MD5

      1cffaf83707e9c6aaa7faca986e2cc19

    • SHA1

      1c5a3c7bd05c14e1af6c6f52cd7b008c6255cbb5

    • SHA256

      5b13812e39af08f51b104ab40d901fe4c4bb6d95fd134e373cf3546ab5821b1a

    • SHA512

      a804e97f0e68a16a062bfd6eaeebfb823457a765f2b5221990cd3d538b3e7e466a2f5c55f11008c6b71f70dd806a96c6ebca6a704211b6692f0c544e76a46081

    • SSDEEP

      768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPB3I:H6QFElP6n+gou9cvMOtEvwDpjCpVXYY

    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