Overview

overview

10

Static

static

10

2024-03-11...er.exe

windows7-x64

9

2024-03-11...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-03-11_fe1c0dffa2364c616f81e56a98fe8a0f_cryptolocker

  • Size

    78KB

  • Sample

    240311-chv8tshf88

  • MD5

    fe1c0dffa2364c616f81e56a98fe8a0f

  • SHA1

    ac81adaf98cb9704ff8ded9e8299d912341deafa

  • SHA256

    2591a47ba2c6e81c7e1bc1f260c2a2c72a3ef71730e58daacb8f49d59ffc09f0

  • SHA512

    40d4d21270402217327bb357eef091e0afbfcc5040f6fd364752cc6dd085012b0a3ea1a5e2f5eaf5c071c4eb0ab6ac8a6564a6868d1a988cb7d453eccbe19079

  • SSDEEP

    768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlqrr1HBJooSeKzu1adyB7jS5:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyq

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-03-11_fe1c0dffa2364c616f81e56a98fe8a0f_cryptolocker

    • Size

      78KB

    • MD5

      fe1c0dffa2364c616f81e56a98fe8a0f

    • SHA1

      ac81adaf98cb9704ff8ded9e8299d912341deafa

    • SHA256

      2591a47ba2c6e81c7e1bc1f260c2a2c72a3ef71730e58daacb8f49d59ffc09f0

    • SHA512

      40d4d21270402217327bb357eef091e0afbfcc5040f6fd364752cc6dd085012b0a3ea1a5e2f5eaf5c071c4eb0ab6ac8a6564a6868d1a988cb7d453eccbe19079

    • SSDEEP

      768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlqrr1HBJooSeKzu1adyB7jS5:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyq

    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