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General

  • Target

    2024-03-11_639d2b810fcf9d3e4b0e394803680ea0_cryptolocker

  • Size

    102KB

  • Sample

    240311-xfwf2ada96

  • MD5

    639d2b810fcf9d3e4b0e394803680ea0

  • SHA1

    ebc6c7accde6e316e03a6cfc4acd3609c15d01b3

  • SHA256

    1c617070b59d3d78c544981a0130303e6acedf5b44e40dce6332a2a33cd0ce8f

  • SHA512

    722e3a6f291640e2cc1bab2f63cecb41435489688f2af46ffad9911d97b82e0d7583209097e2884d3c1b9cf470c9e5f89935a6ae7caf2a22685acd40528f2b5c

  • SSDEEP

    1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviy69:AnBdOOtEvwDpj6zR

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-03-11_639d2b810fcf9d3e4b0e394803680ea0_cryptolocker

    • Size

      102KB

    • MD5

      639d2b810fcf9d3e4b0e394803680ea0

    • SHA1

      ebc6c7accde6e316e03a6cfc4acd3609c15d01b3

    • SHA256

      1c617070b59d3d78c544981a0130303e6acedf5b44e40dce6332a2a33cd0ce8f

    • SHA512

      722e3a6f291640e2cc1bab2f63cecb41435489688f2af46ffad9911d97b82e0d7583209097e2884d3c1b9cf470c9e5f89935a6ae7caf2a22685acd40528f2b5c

    • SSDEEP

      1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviy69:AnBdOOtEvwDpj6zR

    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