Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 04:57

General

  • Target

    3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe

  • Size

    216KB

  • MD5

    3c0d8ae00bf66229b3d7f1fdd8049adc

  • SHA1

    7b97581fdfb7e1de3b89c7e6d228ba9fb66291fb

  • SHA256

    c6d20abd88b10a08256ebbcd71626802629e7275f2fafd2fd49562210e878a43

  • SHA512

    4c17663cb701c78bdbdff081f8481451513a718f37ac5b52c1d3e93dab61650e7813677f0bbd00f987a2595228660904eb4ceb1981623036f0516d36b870afb8

  • SSDEEP

    3072:CLJMeQm+h3MqrbgwLzUxDPJn2ibmzCm1b9nxvw6pi29riC5x:WMeUgwfURlnC+mt9xX6C5

Malware Config

Extracted

Family

xtremerat

C2

finders.hopto.org

Signatures

  • Detect XtremeRAT payload 9 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 2 IoCs

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

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4488
    • C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          4⤵
            PID:4496
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 484
              5⤵
              • Program crash
              PID:4416
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 492
              5⤵
              • Program crash
              PID:1692
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Deletes itself
            • Adds Run key to start application
            • Suspicious use of SetWindowsHookEx
            PID:112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4496 -ip 4496
      1⤵
        PID:1004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4496 -ip 4496
        1⤵
          PID:4996

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/112-14-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/112-20-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/112-19-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/112-18-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1704-12-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1704-9-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1704-8-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1704-7-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1844-10-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1844-2-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1844-4-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/4496-13-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/4496-17-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB