Overview

overview

10

Static

static

10

2024-02-04...er.exe

windows7-x64

9

2024-02-04...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-02-04_711ba9c5b8068ae8f5484dba5479f1d3_cryptolocker

  • Size

    67KB

  • Sample

    240204-v18kzsfbf8

  • MD5

    711ba9c5b8068ae8f5484dba5479f1d3

  • SHA1

    87e567ab4cc451e5c2507d6edee4745efeee011e

  • SHA256

    0741fbfb9e31bf53b6a6f07241f9553f90cf9590b729d1fd9f6e95067268d67c

  • SHA512

    deb69ee9a87475c07b5aebfce2a60392acc8328817234c29073aebb904d34fa8a4851b7bd94430e08b1b63c353f79c3d97e58f15c38c48ed6bd09ef42497ef54

  • SSDEEP

    1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB9:z6a+CdOOtEvwDpjQf

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-04_711ba9c5b8068ae8f5484dba5479f1d3_cryptolocker

    • Size

      67KB

    • MD5

      711ba9c5b8068ae8f5484dba5479f1d3

    • SHA1

      87e567ab4cc451e5c2507d6edee4745efeee011e

    • SHA256

      0741fbfb9e31bf53b6a6f07241f9553f90cf9590b729d1fd9f6e95067268d67c

    • SHA512

      deb69ee9a87475c07b5aebfce2a60392acc8328817234c29073aebb904d34fa8a4851b7bd94430e08b1b63c353f79c3d97e58f15c38c48ed6bd09ef42497ef54

    • SSDEEP

      1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB9:z6a+CdOOtEvwDpjQf

    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