Overview

overview

10

Static

static

10

2024-05-23...er.exe

windows7-x64

9

2024-05-23...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-23_e19c737f57ef72181cf10bbab2c1aa25_cryptolocker

  • Size

    39KB

  • Sample

    240523-byrpxagg3x

  • MD5

    e19c737f57ef72181cf10bbab2c1aa25

  • SHA1

    6cab7f2b29dc999952f267285ca80ceebd0378fb

  • SHA256

    d94b15ae9d36cba9649f281f624a05bba0c6e8cad3c5729f072f9f9d0cae233c

  • SHA512

    05c0320d370899e78d6b2893137925da81356acba538c31deadfada525403b64e0cf62308c6548cef5a47f6bbe6a17c49951623bb2eb6dd551a742682a3a9bef

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaQZ:qDdFJy3QMOtEvwDpjjWMl7Td8

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-23_e19c737f57ef72181cf10bbab2c1aa25_cryptolocker

    • Size

      39KB

    • MD5

      e19c737f57ef72181cf10bbab2c1aa25

    • SHA1

      6cab7f2b29dc999952f267285ca80ceebd0378fb

    • SHA256

      d94b15ae9d36cba9649f281f624a05bba0c6e8cad3c5729f072f9f9d0cae233c

    • SHA512

      05c0320d370899e78d6b2893137925da81356acba538c31deadfada525403b64e0cf62308c6548cef5a47f6bbe6a17c49951623bb2eb6dd551a742682a3a9bef

    • SSDEEP

      768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaQZ:qDdFJy3QMOtEvwDpjjWMl7Td8

    Score
    9/10
    upx

    • 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.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks