Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-07-2024 13:47

General

  • Target

    57a448fa56d408f7f8b77a2c59eb4772_JaffaCakes118.exe

  • Size

    239KB

  • MD5

    57a448fa56d408f7f8b77a2c59eb4772

  • SHA1

    5830cd268b701eb013ef7c4f118c2339d200f0b9

  • SHA256

    2f410fefe15ad016e4a005a6d70df5db289085afbb7d2788a5633136b93198a3

  • SHA512

    9dfd3dc48479c0154b4e947e855bfaf773522075ef1d7bb102aa7c897d00f6b2dc4c984c9d7425cd20f0e1266848b6ac790a06e1ffd383365829c38b440e2d72

  • SSDEEP

    6144:xG7CD0ccGeF60nxn+aCP0vdZhhL0MTMluuMR:xGCl3ec0xWPCZHBW6

Malware Config

Signatures

  • Detect XtremeRAT payload 3 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • 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 SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57a448fa56d408f7f8b77a2c59eb4772_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\57a448fa56d408f7f8b77a2c59eb4772_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\57a448fa56d408f7f8b77a2c59eb4772_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\57a448fa56d408f7f8b77a2c59eb4772_JaffaCakes118.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\InstallDir\Server.exe

    Filesize

    239KB

    MD5

    57a448fa56d408f7f8b77a2c59eb4772

    SHA1

    5830cd268b701eb013ef7c4f118c2339d200f0b9

    SHA256

    2f410fefe15ad016e4a005a6d70df5db289085afbb7d2788a5633136b93198a3

    SHA512

    9dfd3dc48479c0154b4e947e855bfaf773522075ef1d7bb102aa7c897d00f6b2dc4c984c9d7425cd20f0e1266848b6ac790a06e1ffd383365829c38b440e2d72

  • memory/2276-3-0x0000000001D60000-0x0000000001D61000-memory.dmp

    Filesize

    4KB

  • memory/2276-5-0x0000000001D60000-0x0000000001D61000-memory.dmp

    Filesize

    4KB

  • memory/2276-4-0x0000000001D60000-0x0000000001D61000-memory.dmp

    Filesize

    4KB

  • memory/2276-11-0x0000000000401000-0x000000000041B000-memory.dmp

    Filesize

    104KB

  • memory/2276-8-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2276-7-0x0000000001D60000-0x0000000001D61000-memory.dmp

    Filesize

    4KB

  • memory/2276-6-0x0000000001D60000-0x0000000001D61000-memory.dmp

    Filesize

    4KB

  • memory/2276-16-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2276-9-0x00000000006B0000-0x00000000006B1000-memory.dmp

    Filesize

    4KB

  • memory/2276-1-0x0000000000280000-0x00000000002B5000-memory.dmp

    Filesize

    212KB

  • memory/2276-17-0x0000000000280000-0x00000000002B5000-memory.dmp

    Filesize

    212KB

  • memory/2276-0-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2276-2-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2812-27-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2812-26-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2944-30-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2944-18-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2944-19-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB

  • memory/2944-13-0x0000000000C80000-0x0000000000C95000-memory.dmp

    Filesize

    84KB