Overview

overview

10

Static

static

10

2024-03-28...er.exe

windows7-x64

9

2024-03-28...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-03-28_cd3a3eaf29418755ca87e740309f2bf7_cryptolocker

  • Size

    95KB

  • Sample

    240328-zqd1vahb32

  • MD5

    cd3a3eaf29418755ca87e740309f2bf7

  • SHA1

    9f9e5b999e96ee51bd6684adfcc443cb74d157eb

  • SHA256

    81a29fd3b7d7ec0531ffd27dc0645333a7f8b513b7e1f541b2839b70ec6c076d

  • SHA512

    25c87639c38b9f65ddb03a4f8fcf88708a35738c76f4fdea9d28031ef0dca0964196d60e2d22247176d8fbef8ac4b0afa65015d4045857aa98951e37d7de2283

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/b7:zCsanOtEvwDpjB/

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-03-28_cd3a3eaf29418755ca87e740309f2bf7_cryptolocker

    • Size

      95KB

    • MD5

      cd3a3eaf29418755ca87e740309f2bf7

    • SHA1

      9f9e5b999e96ee51bd6684adfcc443cb74d157eb

    • SHA256

      81a29fd3b7d7ec0531ffd27dc0645333a7f8b513b7e1f541b2839b70ec6c076d

    • SHA512

      25c87639c38b9f65ddb03a4f8fcf88708a35738c76f4fdea9d28031ef0dca0964196d60e2d22247176d8fbef8ac4b0afa65015d4045857aa98951e37d7de2283

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/b7:zCsanOtEvwDpjB/

    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