Overview

overview

10

Static

static

10

2024-02-02...er.exe

windows7-x64

9

2024-02-02...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-02-02_d791e480e8aa86769b874a504a6afa92_cryptolocker

  • Size

    104KB

  • Sample

    240202-yewk3sgben

  • MD5

    d791e480e8aa86769b874a504a6afa92

  • SHA1

    4a5d600b5a45f336c54f6bf7ab7f26b7f98d41e9

  • SHA256

    f9f78890cb9a5ca92071db497ad1e9fa4b989760205e4ce16ed2fba8fe21c384

  • SHA512

    eeee19745e87bf5b4b8b9cd465b0411bf230b0a293dead9e2bd3850ec7b8cd08f118fffa4971d9c2fb74b185329d7232f1cab14116e08e5099c0795b4ad48bd6

  • SSDEEP

    1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksB:1nK6a+qdOOtEvwDpjB

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-02_d791e480e8aa86769b874a504a6afa92_cryptolocker

    • Size

      104KB

    • MD5

      d791e480e8aa86769b874a504a6afa92

    • SHA1

      4a5d600b5a45f336c54f6bf7ab7f26b7f98d41e9

    • SHA256

      f9f78890cb9a5ca92071db497ad1e9fa4b989760205e4ce16ed2fba8fe21c384

    • SHA512

      eeee19745e87bf5b4b8b9cd465b0411bf230b0a293dead9e2bd3850ec7b8cd08f118fffa4971d9c2fb74b185329d7232f1cab14116e08e5099c0795b4ad48bd6

    • SSDEEP

      1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksB:1nK6a+qdOOtEvwDpjB

    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