Overview

overview

10

Static

static

3

JaffaCakes...cc.exe

windows7-x64

10

JaffaCakes...cc.exe

windows10-2004-x64

3

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General

  • Target

    JaffaCakes118_8af1cb2cc60741dbac95ed339a403bcc

  • Size

    644KB

  • Sample

    250328-x3kytasj14

  • MD5

    8af1cb2cc60741dbac95ed339a403bcc

  • SHA1

    82ea9ea3eeb7428d3ae47dd2e505070364589f75

  • SHA256

    840fb5ee19fc8d0ce9ac390ee71a3ee53cfcff5b3978d56c06c2ac981ec414e3

  • SHA512

    8d27134dceb3d9378422caf695cf0ca814cd65bb334d51a96a271a2b79285639e3be6866896337b6e139b9353016cf0f6955289ae28679a5573516bb618f12fc

  • SSDEEP

    6144:T82p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbY6ilV:Hp4pNfz3ymJnJ8QCFkxCaQTOllyu

Score
10/10
discoverypersistenceransomware

Malware Config

Targets

    • Target

      JaffaCakes118_8af1cb2cc60741dbac95ed339a403bcc

    • Size

      644KB

    • MD5

      8af1cb2cc60741dbac95ed339a403bcc

    • SHA1

      82ea9ea3eeb7428d3ae47dd2e505070364589f75

    • SHA256

      840fb5ee19fc8d0ce9ac390ee71a3ee53cfcff5b3978d56c06c2ac981ec414e3

    • SHA512

      8d27134dceb3d9378422caf695cf0ca814cd65bb334d51a96a271a2b79285639e3be6866896337b6e139b9353016cf0f6955289ae28679a5573516bb618f12fc

    • SSDEEP

      6144:T82p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbY6ilV:Hp4pNfz3ymJnJ8QCFkxCaQTOllyu

    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

    • 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