Overview

overview

10

Static

static

3

010b39cbb7...18.exe

windows7-x64

10

010b39cbb7...18.exe

windows10-2004-x64

10

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General

  • Target

    010b39cbb71ecaeb3229e25eb4f0e1d0_JaffaCakes118

  • Size

    825KB

  • Sample

    240426-sh7jvseb56

  • MD5

    010b39cbb71ecaeb3229e25eb4f0e1d0

  • SHA1

    5029fb94981e04e079204189533722bdac067d0a

  • SHA256

    f2c9eded4b47b0476b18e74633b4959e5afbd1a2971079babd1d94379183f2f1

  • SHA512

    cf8958a197d28c7b98c2de42bf48a2b360696760559b3e072034e686918635a841c26c4c7cbb3ef0298ead8d7d7bdf992340679e6fc2ba4ab6b05857e64a09dc

  • SSDEEP

    6144:G82p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbYBwNk:Qp4pNfz3ymJnJ8QCFkxCaQTOlObVLzQ

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      010b39cbb71ecaeb3229e25eb4f0e1d0_JaffaCakes118

    • Size

      825KB

    • MD5

      010b39cbb71ecaeb3229e25eb4f0e1d0

    • SHA1

      5029fb94981e04e079204189533722bdac067d0a

    • SHA256

      f2c9eded4b47b0476b18e74633b4959e5afbd1a2971079babd1d94379183f2f1

    • SHA512

      cf8958a197d28c7b98c2de42bf48a2b360696760559b3e072034e686918635a841c26c4c7cbb3ef0298ead8d7d7bdf992340679e6fc2ba4ab6b05857e64a09dc

    • SSDEEP

      6144:G82p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbYBwNk:Qp4pNfz3ymJnJ8QCFkxCaQTOlObVLzQ

    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