Overview

overview

10

Static

static

3

26ea5b6c99...18.exe

windows7-x64

10

26ea5b6c99...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    26ea5b6c99e99420c980f76e9643cd8f_JaffaCakes118

  • Size

    4.1MB

  • Sample

    241008-29e4csxclk

  • MD5

    26ea5b6c99e99420c980f76e9643cd8f

  • SHA1

    4b7b25a87cd490cb9b7d3ee9d062b51f416874e7

  • SHA256

    c4ed9b8b9c653b23e8a46f8d6a282c98f5f4ed4dbb0923cc3ca6edec018bbdf0

  • SHA512

    43de36e78e4a38da4e6e53b985529f4319093796b86d986d941790b75143909850acea73f1c05ce8b3db95979d26a5863c417aa75cd6ad25ae4441ecb93474e7

  • SSDEEP

    49152:PEs1c/B8NIMI8Sfpwotkzax/TKB8NIMI8/:PE2cgIMzKpXOMTIMz/

Score
10/10
discoverypersistenceransomware

Malware Config

Targets

    • Target

      26ea5b6c99e99420c980f76e9643cd8f_JaffaCakes118

    • Size

      4.1MB

    • MD5

      26ea5b6c99e99420c980f76e9643cd8f

    • SHA1

      4b7b25a87cd490cb9b7d3ee9d062b51f416874e7

    • SHA256

      c4ed9b8b9c653b23e8a46f8d6a282c98f5f4ed4dbb0923cc3ca6edec018bbdf0

    • SHA512

      43de36e78e4a38da4e6e53b985529f4319093796b86d986d941790b75143909850acea73f1c05ce8b3db95979d26a5863c417aa75cd6ad25ae4441ecb93474e7

    • SSDEEP

      49152:PEs1c/B8NIMI8Sfpwotkzax/TKB8NIMI8/:PE2cgIMzKpXOMTIMz/

    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