Overview

overview

10

Static

static

10

2024-05-03...er.exe

windows7-x64

9

2024-05-03...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-03_6f9eccfd46aee3f81037461555a13c42_cryptolocker

  • Size

    80KB

  • Sample

    240503-2a1k1sag69

  • MD5

    6f9eccfd46aee3f81037461555a13c42

  • SHA1

    a5011f54d35dc2301a3bb0dd1d431af22ce2bbd4

  • SHA256

    01c7e39c39f1967e32631a6d1179f97153097c63a6b7ca26a9fa877716b25d24

  • SHA512

    21f4f4f282ac406a97fe3e3603fb1748803f5442bd6f355f5266807c2416c15613c2042b5cab24a1852ad103b1c34952f3c07548aea56f93c1ee0c5c146b35f8

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpU:zCsanOtEvwDpjq

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-03_6f9eccfd46aee3f81037461555a13c42_cryptolocker

    • Size

      80KB

    • MD5

      6f9eccfd46aee3f81037461555a13c42

    • SHA1

      a5011f54d35dc2301a3bb0dd1d431af22ce2bbd4

    • SHA256

      01c7e39c39f1967e32631a6d1179f97153097c63a6b7ca26a9fa877716b25d24

    • SHA512

      21f4f4f282ac406a97fe3e3603fb1748803f5442bd6f355f5266807c2416c15613c2042b5cab24a1852ad103b1c34952f3c07548aea56f93c1ee0c5c146b35f8

    • SSDEEP

      1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpU:zCsanOtEvwDpjq

    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