General

  • Target

    2024-05-22_a722ff507850db4abc4e9a346dddbfdd_cryptolocker

  • Size

    53KB

  • Sample

    240522-sw6vgsfh3w

  • MD5

    a722ff507850db4abc4e9a346dddbfdd

  • SHA1

    a75cf9b5df08032bd0dcc8cfe4d5115e4baa4a14

  • SHA256

    c043cd5848b12a81cc6a55fbdc4106cbdd91bccc2ca1228f02320e8510e10135

  • SHA512

    937b58ce01b831731452c326827bfa347c3ac17ba4ae199dbdc98678d5ad9e62a37861feed111ee54f5c71ba130eed1dc89b7f30ac5e87d0f422f26be9f3701c

  • SSDEEP

    768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOX3:bODOw9acifAoc+vc

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-22_a722ff507850db4abc4e9a346dddbfdd_cryptolocker

    • Size

      53KB

    • MD5

      a722ff507850db4abc4e9a346dddbfdd

    • SHA1

      a75cf9b5df08032bd0dcc8cfe4d5115e4baa4a14

    • SHA256

      c043cd5848b12a81cc6a55fbdc4106cbdd91bccc2ca1228f02320e8510e10135

    • SHA512

      937b58ce01b831731452c326827bfa347c3ac17ba4ae199dbdc98678d5ad9e62a37861feed111ee54f5c71ba130eed1dc89b7f30ac5e87d0f422f26be9f3701c

    • SSDEEP

      768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOX3:bODOw9acifAoc+vc

    Score
    9/10
    • Detection of CryptoLocker Variants

    • 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.

MITRE ATT&CK Enterprise v15

Tasks