Overview

overview

10

Static

static

10

2024-02-29...er.exe

windows7-x64

9

2024-02-29...er.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-02-29_12f5b51d720307c296fb39a25b8cce47_cryptolocker

  • Size

    81KB

  • Sample

    240229-e437nsdc4v

  • MD5

    12f5b51d720307c296fb39a25b8cce47

  • SHA1

    9538f54eea779d52f1a6061e8da4fc0597a8b7fe

  • SHA256

    2246676a1cc8872ff23cb0eb30a5fb76928cbde8cefa5c9466f760f4f1a2ad82

  • SHA512

    8957187c0c5bc178d4bd4422820c2319d52898688c50d9fc1775f5c9f28e9ccb03bd887089c02896d421034461227addf9901d9948cd84c0d1bc311db9a52836

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1v:zCsanOtEvwDpjl

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-29_12f5b51d720307c296fb39a25b8cce47_cryptolocker

    • Size

      81KB

    • MD5

      12f5b51d720307c296fb39a25b8cce47

    • SHA1

      9538f54eea779d52f1a6061e8da4fc0597a8b7fe

    • SHA256

      2246676a1cc8872ff23cb0eb30a5fb76928cbde8cefa5c9466f760f4f1a2ad82

    • SHA512

      8957187c0c5bc178d4bd4422820c2319d52898688c50d9fc1775f5c9f28e9ccb03bd887089c02896d421034461227addf9901d9948cd84c0d1bc311db9a52836

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1v:zCsanOtEvwDpjl

    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