Overview

overview

10

Static

static

10

2024-01-28...er.exe

windows7-x64

9

2024-01-28...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-01-28_783886996b9afb509ab22742d99af23a_cryptolocker

  • Size

    62KB

  • Sample

    240128-as16qahbfp

  • MD5

    783886996b9afb509ab22742d99af23a

  • SHA1

    b23237a662ff1b7712400182091840ed9b515b24

  • SHA256

    9e062b847dbcd541601e002ff0b67523b9dad4ad95229b884b7afb6cf43342a7

  • SHA512

    1961acb58bc64884993cc6f4862f257d238b342e91a255d41faae6dd27b6fee5231bfbb972bc5040b4d2f5fe0a28939cc065ce9ed24e9e6ace3e5673f9dcd880

  • SSDEEP

    768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J5hRXv:T6QFElP6n+gxmddpMOtEvwDpjwa3nv

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-01-28_783886996b9afb509ab22742d99af23a_cryptolocker

    • Size

      62KB

    • MD5

      783886996b9afb509ab22742d99af23a

    • SHA1

      b23237a662ff1b7712400182091840ed9b515b24

    • SHA256

      9e062b847dbcd541601e002ff0b67523b9dad4ad95229b884b7afb6cf43342a7

    • SHA512

      1961acb58bc64884993cc6f4862f257d238b342e91a255d41faae6dd27b6fee5231bfbb972bc5040b4d2f5fe0a28939cc065ce9ed24e9e6ace3e5673f9dcd880

    • SSDEEP

      768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J5hRXv:T6QFElP6n+gxmddpMOtEvwDpjwa3nv

    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