Analysis

  • max time kernel
    150s
  • 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 07:44

General

  • Target

    3c86a83b901a641312995646344e53ee_JaffaCakes118.exe

  • Size

    236KB

  • MD5

    3c86a83b901a641312995646344e53ee

  • SHA1

    a08ef7325e84096681985fe5d335c8ddc03774fd

  • SHA256

    90c4738f5ae5712cd9db758cbca2653703737020ab270e0c7be3b66a99bcad5c

  • SHA512

    73b5258297d4c381a79c91894a3e8fc39902825d4ed4ae1e0d24b898d2814bc3b033b4c9055b1314e68950fc93df3b7386fc99c489319cfaba2f7ce8cdb7aac7

  • SSDEEP

    3072:YAWua0nb7M0t5DPmV152Fh/neAnIoc+KMslxcXhKzQwIWbFj2NfPTaHslLrWnR5z:RRRTmV152Fh/neA2C5I5Sn+B2NyZ

Malware Config

Extracted

Family

xtremerat

C2

eminn115.zapto.org

Signatures

  • Detect XtremeRAT payload 8 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.

  • UPX packed file 10 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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).

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4516
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:1544
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 480
            4⤵
            • Program crash
            PID:2088
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 488
            4⤵
            • Program crash
            PID:4364
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of SetWindowsHookEx
          PID:2660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1544 -ip 1544
      1⤵
        PID:3432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1544 -ip 1544
        1⤵
          PID:1468

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1544-7-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/1544-12-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/2660-8-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/2660-11-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/2660-13-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4516-2-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4516-4-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4516-5-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4516-6-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4516-9-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB