Overview

overview

10

Static

static

3

57bd91372c...76.exe

windows7-x64

10

57bd91372c...76.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    57bd91372ceceacac644f59a80d8fa76

  • Size

    476KB

  • Sample

    240113-cwes1aacfj

  • MD5

    57bd91372ceceacac644f59a80d8fa76

  • SHA1

    39da4faba1491561007112e94af08be10fd0da36

  • SHA256

    c53ad1d78807b5f781cad44960914892edb3b36b3ac268f7004c768a6572dc7b

  • SHA512

    2dc181f4d95e5aa7e97306984a005db0157eb120c4b657dc2baab416cb3a732e64c245cbcf0ba3ac4ec47c0c0dec97fa087560bdc376e0aed09def056e9c8ebf

  • SSDEEP

    6144:382p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbYBwNS:Tp4pNfz3ymJnJ8QCFkxCaQTOlOb4

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      57bd91372ceceacac644f59a80d8fa76

    • Size

      476KB

    • MD5

      57bd91372ceceacac644f59a80d8fa76

    • SHA1

      39da4faba1491561007112e94af08be10fd0da36

    • SHA256

      c53ad1d78807b5f781cad44960914892edb3b36b3ac268f7004c768a6572dc7b

    • SHA512

      2dc181f4d95e5aa7e97306984a005db0157eb120c4b657dc2baab416cb3a732e64c245cbcf0ba3ac4ec47c0c0dec97fa087560bdc376e0aed09def056e9c8ebf

    • SSDEEP

      6144:382p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbYBwNS:Tp4pNfz3ymJnJ8QCFkxCaQTOlOb4

    Score
    10/10
    persistenceransomware

    • Modifies WinLogon for persistence

      persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks