Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 21:41

General

  • Target

    4a2360253b77f6b192e213cadeb5a94f_JaffaCakes118.dll

  • Size

    407KB

  • MD5

    4a2360253b77f6b192e213cadeb5a94f

  • SHA1

    55f3ee4b670f1f2f9740df5bbcc86c8101d4711f

  • SHA256

    fcd9ddd98ad8a2900a8dc48ef8d66c58236ddcfc02f815c9d9b3c2ea6bf3e1c6

  • SHA512

    55c725c12102efd8f0d5a08a0911ecfc087954d141a10206bd209af5ca1406d8c2aa09ca1b90333c8a5f6be29b42b43d98996e9a5a9fdecb1f95b54e5e97635a

  • SSDEEP

    12288:de4tOuoCJfrdGD1S+HXks+sxdfGyatMGvR:de7CJDdGZS+HksxQjt9R

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.

  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a2360253b77f6b192e213cadeb5a94f_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3200
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a2360253b77f6b192e213cadeb5a94f_JaffaCakes118.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:4600

Network

        MITRE ATT&CK Enterprise v15

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