Overview

overview

10

Static

static

10

2024-05-21...er.exe

windows7-x64

9

2024-05-21...er.exe

windows10-2004-x64

9

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General

  • Target

    2024-05-21_2d31104b635cd8c3eeb69de67972b0c1_cryptolocker

  • Size

    72KB

  • Sample

    240521-s5ahmsag9x

  • MD5

    2d31104b635cd8c3eeb69de67972b0c1

  • SHA1

    6efc8c67938a7ade6606b9d8e1d1ba7b7c9667fd

  • SHA256

    57d87b626af7ef6bca0a95af7929d4d4db049e9efc5cbcf80c7dddb56ecf1e8f

  • SHA512

    192fa919520bae336ecb10bdbbfd988a976bd17ae57c4859da2c8376134e69f27209dc29168a5fbe4482783e8e08fb8eb364b5e096e855efc0f4ddd62b36d3be

  • SSDEEP

    1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs95T:C4Q2c94OtEvwDpj4H8z8

Score
10/10
upx

Malware Config

Targets

    • Target

      2024-05-21_2d31104b635cd8c3eeb69de67972b0c1_cryptolocker

    • Size

      72KB

    • MD5

      2d31104b635cd8c3eeb69de67972b0c1

    • SHA1

      6efc8c67938a7ade6606b9d8e1d1ba7b7c9667fd

    • SHA256

      57d87b626af7ef6bca0a95af7929d4d4db049e9efc5cbcf80c7dddb56ecf1e8f

    • SHA512

      192fa919520bae336ecb10bdbbfd988a976bd17ae57c4859da2c8376134e69f27209dc29168a5fbe4482783e8e08fb8eb364b5e096e855efc0f4ddd62b36d3be

    • SSDEEP

      1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs95T:C4Q2c94OtEvwDpj4H8z8

    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