Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    16/07/2024, 01:23

General

  • Target

    4c3bfa5b548f425c2f255043191e4840_JaffaCakes118.dll

  • Size

    211KB

  • MD5

    4c3bfa5b548f425c2f255043191e4840

  • SHA1

    0982b81652c5989af8a00b6d98e51fa3b23f9de8

  • SHA256

    a68aae874771308e94afbff7513f937551dd408a40e893532d17ed128f5115c8

  • SHA512

    12db424e3a0ac5eff7675034bc95e1282155729b139b31a686e1dd51be9727823c67ba836ffc71e28e36e246ada388ecc18928b617187f379a2c799342243424

  • SSDEEP

    6144:O0iSAUYrlX7BBcDqowKv4ngY64VJr+H9Wds:O0iRUwrBBQCKwgYzVJfy

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.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c3bfa5b548f425c2f255043191e4840_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c3bfa5b548f425c2f255043191e4840_JaffaCakes118.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      PID:2792

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2792-0-0x0000000010000000-0x000000001010D000-memory.dmp

          Filesize

          1.1MB

        • memory/2792-1-0x0000000010000000-0x000000001010D000-memory.dmp

          Filesize

          1.1MB

        • memory/2792-5-0x000000001010A000-0x000000001010B000-memory.dmp

          Filesize

          4KB

        • memory/2792-4-0x00000000001B0000-0x00000000001B2000-memory.dmp

          Filesize

          8KB

        • memory/2792-3-0x0000000010000000-0x000000001010D000-memory.dmp

          Filesize

          1.1MB

        • memory/2792-2-0x0000000010000000-0x000000001010D000-memory.dmp

          Filesize

          1.1MB

        • memory/2792-8-0x0000000010000000-0x000000001010D000-memory.dmp

          Filesize

          1.1MB

        • memory/2792-9-0x0000000010000000-0x000000001010D000-memory.dmp

          Filesize

          1.1MB