Overview

overview

10

Static

static

10

2024-04-04...er.exe

windows7-x64

9

2024-04-04...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-04-04_05aa98df61d9db9cd0611816e212b8c9_cryptolocker

  • Size

    79KB

  • Sample

    240404-z88m6sbe35

  • MD5

    05aa98df61d9db9cd0611816e212b8c9

  • SHA1

    1744d31dafd418865dea49f05c1dc1309a799db7

  • SHA256

    21679f02ed957d2625700f0e73a08e5ceb309eca307de9acd06705e64fbe9f52

  • SHA512

    4dd3cb45e8481cb969416bd5a527609fe50740122ff26c9798a01cf928ab032f428a33056b4ad7729c7418dfe2af3c6241c5dc2ab26cb0ee80cef056845aa6c5

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qp/:zCsanOtEvwDpjl

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-04-04_05aa98df61d9db9cd0611816e212b8c9_cryptolocker

    • Size

      79KB

    • MD5

      05aa98df61d9db9cd0611816e212b8c9

    • SHA1

      1744d31dafd418865dea49f05c1dc1309a799db7

    • SHA256

      21679f02ed957d2625700f0e73a08e5ceb309eca307de9acd06705e64fbe9f52

    • SHA512

      4dd3cb45e8481cb969416bd5a527609fe50740122ff26c9798a01cf928ab032f428a33056b4ad7729c7418dfe2af3c6241c5dc2ab26cb0ee80cef056845aa6c5

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qp/:zCsanOtEvwDpjl

    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