Overview

overview

10

Static

static

3

0bea8d3669...18.exe

windows7-x64

10

0bea8d3669...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0bea8d3669e855e32547b40dafba6fb2_JaffaCakes118

  • Size

    435KB

  • Sample

    241002-wq1m3azcmm

  • MD5

    0bea8d3669e855e32547b40dafba6fb2

  • SHA1

    82e7e06a3005489895ec9580c7d466bb7beb35dd

  • SHA256

    dbc40ebfee3142451c4f99972cc67e9d2b112419cea76cd4e547bc67928a79c4

  • SHA512

    33d8851ff99937c92efe8ff248953fe22b42d101afacf223e174376ba065e7f9d4cb61f99cb34adaed1f64029f843df381bcf41f17dbfbb98737ec6f20dec393

  • SSDEEP

    6144:k82p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbYBilz:Cp4pNfz3ymJnJ8QCFkxCaQTOl2z

Score
10/10
discoverypersistenceransomware

Malware Config

Targets

    • Target

      0bea8d3669e855e32547b40dafba6fb2_JaffaCakes118

    • Size

      435KB

    • MD5

      0bea8d3669e855e32547b40dafba6fb2

    • SHA1

      82e7e06a3005489895ec9580c7d466bb7beb35dd

    • SHA256

      dbc40ebfee3142451c4f99972cc67e9d2b112419cea76cd4e547bc67928a79c4

    • SHA512

      33d8851ff99937c92efe8ff248953fe22b42d101afacf223e174376ba065e7f9d4cb61f99cb34adaed1f64029f843df381bcf41f17dbfbb98737ec6f20dec393

    • SSDEEP

      6144:k82p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbYBilz:Cp4pNfz3ymJnJ8QCFkxCaQTOl2z

    Score
    10/10
    discoverypersistenceransomware

    • 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