Overview

overview

10

Static

static

10

2024-02-24...er.exe

windows7-x64

9

2024-02-24...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-02-24_400ef00308cd4c15f00a1b22c54fac18_cryptolocker

  • Size

    81KB

  • Sample

    240224-rvyl2sed63

  • MD5

    400ef00308cd4c15f00a1b22c54fac18

  • SHA1

    328f394e86cf47c93d019eb1487e6d464b4dcdd0

  • SHA256

    f9d31268804d8209515656e6ab145b4dfadb9eb893b618b81e093294e205a781

  • SHA512

    7b8e39c6844e92d70c1117ff5a51535b7b8e59405528c1e83f310bab2d875f260f8b4aa91c6ff881babb37ef68a8c3e6481fc97a2286d11278fc8eb3708d8cc3

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdWZ4:T6a+rdOOtEvwDpjNt1

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-24_400ef00308cd4c15f00a1b22c54fac18_cryptolocker

    • Size

      81KB

    • MD5

      400ef00308cd4c15f00a1b22c54fac18

    • SHA1

      328f394e86cf47c93d019eb1487e6d464b4dcdd0

    • SHA256

      f9d31268804d8209515656e6ab145b4dfadb9eb893b618b81e093294e205a781

    • SHA512

      7b8e39c6844e92d70c1117ff5a51535b7b8e59405528c1e83f310bab2d875f260f8b4aa91c6ff881babb37ef68a8c3e6481fc97a2286d11278fc8eb3708d8cc3

    • SSDEEP

      1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdWZ4:T6a+rdOOtEvwDpjNt1

    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