Overview

overview

10

Static

static

10

2024-06-02...er.exe

windows7-x64

9

2024-06-02...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-06-02_2c30f4bcf08cca4dac271465b0fbb66c_cryptolocker

  • Size

    85KB

  • Sample

    240602-br3tlaef22

  • MD5

    2c30f4bcf08cca4dac271465b0fbb66c

  • SHA1

    f4f28ecec9ddb72d3430f6bbd52890a73c19c7a2

  • SHA256

    9ac5ed3903a4fbf8bad788d1ce22ecfa66302805c57173e7e21f7517a890f8db

  • SHA512

    fe21494465c069eae85e16c3e0cf41552db9fd29c677fc00bc1f395408036341f55e1e670076dadcf219588c60953a2c70fd945e61892377ddf957ed42e3934f

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1s:zCsanOtEvwDpjC

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-06-02_2c30f4bcf08cca4dac271465b0fbb66c_cryptolocker

    • Size

      85KB

    • MD5

      2c30f4bcf08cca4dac271465b0fbb66c

    • SHA1

      f4f28ecec9ddb72d3430f6bbd52890a73c19c7a2

    • SHA256

      9ac5ed3903a4fbf8bad788d1ce22ecfa66302805c57173e7e21f7517a890f8db

    • SHA512

      fe21494465c069eae85e16c3e0cf41552db9fd29c677fc00bc1f395408036341f55e1e670076dadcf219588c60953a2c70fd945e61892377ddf957ed42e3934f

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1s:zCsanOtEvwDpjC

    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