Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-07-2024 20:18

General

  • Target

    3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe

  • Size

    70KB

  • MD5

    3a93a068a71b24d5a2623e100e8e0507

  • SHA1

    d388c15e21b1442f9bc5b998eb7357d438071751

  • SHA256

    c9ab8e6311c8c79c04663b178a6489781fc0c7ae5c9534f259497d265702e1c7

  • SHA512

    70f0e6e52346e8b567f935d8be1c7a6d4e5d85d88d7e63af06945c1d9d8243a4a27eef7b1abd7ae3658a7e3d8762cd57fdc7c34404bca75af8ab048e49a69e81

  • SSDEEP

    1536:MAPfFyviqgsDz4IJLE6OyiByjzyrVTe3ItMwm4URyu:b39qDwcRUkzyrVTeYtkRyu

Malware Config

Extracted

Family

xtremerat

C2

marques444.no-ip.org

Signatures

  • Detect XtremeRAT payload 6 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 8 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4168
    • C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3a93a068a71b24d5a2623e100e8e0507_JaffaCakes118.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4008
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        PID:3828
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
          PID:3640
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
            PID:3716
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            3⤵
              PID:804
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              3⤵
                PID:3876
              • C:\Windows\SysWOW64\explorer.exe
                explorer.exe
                3⤵
                • Suspicious use of SetWindowsHookEx
                PID:4128
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 480
              2⤵
              • Program crash
              PID:316
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4168 -ip 4168
            1⤵
              PID:3432

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Y3isd.xtr

              Filesize

              175KB

              MD5

              871a14803ae290ce245a4c34b5eb0913

              SHA1

              f6dc9632013b2ff178943df28481db578953c071

              SHA256

              c24dff584436c3ac3b8afa922e6e80245a65c7523be9ea2674a51d3a0f092f36

              SHA512

              236df3f21b1f4ff3be3fb761873b7ff847e4ca9c04bbb67173ab247787939924ed21d55c3f6d3049362e664c7b546d5ec3293ea700969751afd697bb08f49d4f

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

              Filesize

              70KB

              MD5

              3a93a068a71b24d5a2623e100e8e0507

              SHA1

              d388c15e21b1442f9bc5b998eb7357d438071751

              SHA256

              c9ab8e6311c8c79c04663b178a6489781fc0c7ae5c9534f259497d265702e1c7

              SHA512

              70f0e6e52346e8b567f935d8be1c7a6d4e5d85d88d7e63af06945c1d9d8243a4a27eef7b1abd7ae3658a7e3d8762cd57fdc7c34404bca75af8ab048e49a69e81

            • memory/3828-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

              Filesize

              88KB

            • memory/4008-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

              Filesize

              88KB

            • memory/4008-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

              Filesize

              88KB

            • memory/4008-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

              Filesize

              88KB

            • memory/4008-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

              Filesize

              88KB

            • memory/4008-16-0x0000000000C80000-0x0000000000C96000-memory.dmp

              Filesize

              88KB

            • memory/4128-15-0x0000000000C80000-0x0000000000C96000-memory.dmp

              Filesize

              88KB

            • memory/4128-18-0x0000000000C80000-0x0000000000C96000-memory.dmp

              Filesize

              88KB