General

  • Target

    2024-02-04_a50e75361b06f370955c6c587f131fb3_cryptolocker

  • Size

    80KB

  • Sample

    240204-b3jj4aeed2

  • MD5

    a50e75361b06f370955c6c587f131fb3

  • SHA1

    51ee81bfd6a26a65402bdf925d5529e685f1629d

  • SHA256

    d3ce8239d867f220db9ed9680341b1b0aac157b97365df8b94f6e19fc92fa9b0

  • SHA512

    acbece244d6f8bb0e62feffad2bb76f323ef60e15db952332dd0562abe602b57b4b256378c6827aa9634691dda102d69240240a53410f7748ebbf4d6e8fc3392

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdWZ5:T6a+rdOOtEvwDpjNtk

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-04_a50e75361b06f370955c6c587f131fb3_cryptolocker

    • Size

      80KB

    • MD5

      a50e75361b06f370955c6c587f131fb3

    • SHA1

      51ee81bfd6a26a65402bdf925d5529e685f1629d

    • SHA256

      d3ce8239d867f220db9ed9680341b1b0aac157b97365df8b94f6e19fc92fa9b0

    • SHA512

      acbece244d6f8bb0e62feffad2bb76f323ef60e15db952332dd0562abe602b57b4b256378c6827aa9634691dda102d69240240a53410f7748ebbf4d6e8fc3392

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdWZ5:T6a+rdOOtEvwDpjNtk

    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