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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    14/07/2024, 08:41

General

  • Target

    4515e5d21f61dd9bcaadf9094948e57b_JaffaCakes118.dll

  • Size

    120KB

  • MD5

    4515e5d21f61dd9bcaadf9094948e57b

  • SHA1

    56b41d6edb0ffea9ebec070649ccb542dadbb625

  • SHA256

    1e96bb5b6683c0061e77821db787184f6c15696414c6fb71792392f79bba2d15

  • SHA512

    31270f550a8a5041762d05efbe595bc7b805fbcd58d497d1d60b8f2414bae1223862e1a8d4d1f6de9da62adf53b436066bbe8f5c2cf8456b2bbd301936195880

  • SSDEEP

    3072:deYZ6FCLi/bbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU7Dzt0y:dxZ4wQwvP6bQ7yMP+DE827Pb

Score
6/10

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Modifies registry class 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4515e5d21f61dd9bcaadf9094948e57b_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4515e5d21f61dd9bcaadf9094948e57b_JaffaCakes118.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Modifies registry class
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2748-1-0x000000000040F000-0x0000000000410000-memory.dmp

    Filesize

    4KB

  • memory/2748-0-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB