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Overview

overview

10

Static

static

10

2024-05-07...er.exe

windows7-x64

9

2024-05-07...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-07_efe4545762fa5847dc569907ca7b30ac_cryptolocker

  • Size

    65KB

  • Sample

    240507-nr5dmsgh54

  • MD5

    efe4545762fa5847dc569907ca7b30ac

  • SHA1

    aea0011759793bd3837098c3b47d41815dabbc5b

  • SHA256

    ac3682d111c7c22a4a3fc2a2ecd97ff7477c58db51bf54c2b15b54ccae04c136

  • SHA512

    b075b6b501bb51ea0bc13b730682200eec205fac6b9774e68b8b77a9493b86bc5034574cfaa28c44609c1e52afe34e13b4227da7fcc8e342558a7da8d824f07c

  • SSDEEP

    1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UAXu:1nK6a+qdOOtEvwDpju

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-07_efe4545762fa5847dc569907ca7b30ac_cryptolocker

    • Size

      65KB

    • MD5

      efe4545762fa5847dc569907ca7b30ac

    • SHA1

      aea0011759793bd3837098c3b47d41815dabbc5b

    • SHA256

      ac3682d111c7c22a4a3fc2a2ecd97ff7477c58db51bf54c2b15b54ccae04c136

    • SHA512

      b075b6b501bb51ea0bc13b730682200eec205fac6b9774e68b8b77a9493b86bc5034574cfaa28c44609c1e52afe34e13b4227da7fcc8e342558a7da8d824f07c

    • SSDEEP

      1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UAXu:1nK6a+qdOOtEvwDpju

    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