General

  • Target

    2024-06-11_efc66155847a62b8b00877637707225d_cryptolocker

  • Size

    76KB

  • Sample

    240611-a4664sxcqh

  • MD5

    efc66155847a62b8b00877637707225d

  • SHA1

    61a85b4f5cb7b05e32adb5eff4d1c9e9bc3e3953

  • SHA256

    becad10b0f79cf9e7f440fd42b8519ac056e286ed26a530b2dd17dc431227e97

  • SHA512

    fc1fc4a6824bc99fed16e066a2ab6330b47c2c876dd2e1b0a8bfacf3d9ce67cd1dee186dea49c484a934fea7aa89d7036201d64c3e824cebd5ec54fcc52a1b48

  • SSDEEP

    1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal81GM:1nK6a+qdOOtEvwDpjZ

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-06-11_efc66155847a62b8b00877637707225d_cryptolocker

    • Size

      76KB

    • MD5

      efc66155847a62b8b00877637707225d

    • SHA1

      61a85b4f5cb7b05e32adb5eff4d1c9e9bc3e3953

    • SHA256

      becad10b0f79cf9e7f440fd42b8519ac056e286ed26a530b2dd17dc431227e97

    • SHA512

      fc1fc4a6824bc99fed16e066a2ab6330b47c2c876dd2e1b0a8bfacf3d9ce67cd1dee186dea49c484a934fea7aa89d7036201d64c3e824cebd5ec54fcc52a1b48

    • SSDEEP

      1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal81GM:1nK6a+qdOOtEvwDpjZ

    Score
    9/10
    • 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.

MITRE ATT&CK Enterprise v15

Tasks