Overview

overview

10

Static

static

3

ab99ec5428...18.exe

windows7-x64

10

ab99ec5428...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ab99ec54288b827051a58ce498b5c53c_JaffaCakes118

  • Size

    11.0MB

  • Sample

    240819-s51ptssfld

  • MD5

    ab99ec54288b827051a58ce498b5c53c

  • SHA1

    9f80b7e76f4314eab482e95042dd8ad2f4c0bcb5

  • SHA256

    b244a7ceb423e9bb387b27289b67d6e6a75cbbebf455de16d6d745caa040561f

  • SHA512

    39280818b7dd94f2336747087ffa6c1e9ecd5b0910581be165b9c30d600326211b4ca701b8ca14a32c289c04f16799fd4cd148f4fea1e5f9db274e356d7d81ad

  • SSDEEP

    98304:iE20IMzKpXOMGsIMzKpXOMGQ5IMzKpXOMGQTIMzKpXOMe:in0I2l6I2ly5I2lyTI2lN

Score
10/10
discoverypersistenceransomware

Malware Config

Targets

    • Target

      ab99ec54288b827051a58ce498b5c53c_JaffaCakes118

    • Size

      11.0MB

    • MD5

      ab99ec54288b827051a58ce498b5c53c

    • SHA1

      9f80b7e76f4314eab482e95042dd8ad2f4c0bcb5

    • SHA256

      b244a7ceb423e9bb387b27289b67d6e6a75cbbebf455de16d6d745caa040561f

    • SHA512

      39280818b7dd94f2336747087ffa6c1e9ecd5b0910581be165b9c30d600326211b4ca701b8ca14a32c289c04f16799fd4cd148f4fea1e5f9db274e356d7d81ad

    • SSDEEP

      98304:iE20IMzKpXOMGsIMzKpXOMGQ5IMzKpXOMGQTIMzKpXOMe:in0I2l6I2ly5I2lyTI2lN

    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