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Overview

overview

10

Static

static

10

2024-02-23...er.exe

windows7-x64

9

2024-02-23...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-02-23_1b94c4bdc8f7458ecaae08806c73eb95_cryptolocker

  • Size

    99KB

  • Sample

    240223-fbnf7abf63

  • MD5

    1b94c4bdc8f7458ecaae08806c73eb95

  • SHA1

    527b6438147888bcc26e6ae0e52018fa34d504a0

  • SHA256

    71feefca8da5f3558fe915cc5c6e490b8463d3334659dd998a2fa4b75d250156

  • SHA512

    0f75893c882275a1b4ec730ea2df88dcc9dedb57482c04289c465d8de43f8e8d62e264bde88ded73911e978521f444f775d49a78e7cf07385a4a4687c55e3983

  • SSDEEP

    1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPeOs:AnBdOOtEvwDpj6zq

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-02-23_1b94c4bdc8f7458ecaae08806c73eb95_cryptolocker

    • Size

      99KB

    • MD5

      1b94c4bdc8f7458ecaae08806c73eb95

    • SHA1

      527b6438147888bcc26e6ae0e52018fa34d504a0

    • SHA256

      71feefca8da5f3558fe915cc5c6e490b8463d3334659dd998a2fa4b75d250156

    • SHA512

      0f75893c882275a1b4ec730ea2df88dcc9dedb57482c04289c465d8de43f8e8d62e264bde88ded73911e978521f444f775d49a78e7cf07385a4a4687c55e3983

    • SSDEEP

      1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPeOs:AnBdOOtEvwDpj6zq

    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