Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 14:06

General

  • Target

    952692e06a52def1ae5a4135e9bbe13d_JaffaCakes118.exe

  • Size

    359KB

  • MD5

    952692e06a52def1ae5a4135e9bbe13d

  • SHA1

    72a5a6ad26acb424d540fd2cdd86fbe316d88eb5

  • SHA256

    de98e97c7af2ae6eaf40e293e156e83c1b80e3d197add148ced9b4e98f84a1eb

  • SHA512

    410908d17b87d8d617bd9897a04622efcd0ced4122acc66cb85c88d864d63798da147dc9600ca2eb082cb81ef473fd3a34d789e34a383db11cf68d02c87a782d

  • SSDEEP

    6144:9Aqya+IRYCpyJKlriiAv3krwfkkXwEZnbiftZ2ADdSEF4dAHsPrsA7zXPyeKmK7D:9AqySRnyJm6p+ftZ2AExdvTsEz/lKhV

Malware Config

Extracted

Family

netwire

C2

respect.ddns.net:3945

Attributes
  • activex_autorun

    true

  • activex_key

    {6632CI80-0E7T-476N-GWY8-1230G174P611}

  • copy_executable

    true

  • delete_original

    false

  • host_id

    windows

  • install_path

    %AppData%\Install\excel.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    FkUGAcbk

  • offline_keylogger

    true

  • password

    Hunter45

  • registry_autorun

    true

  • startup_name

    Flash

  • use_mutex

    true

Signatures

  • NetWire RAT payload 5 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Netwire family
  • 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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 5 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\952692e06a52def1ae5a4135e9bbe13d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\952692e06a52def1ae5a4135e9bbe13d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Local\Temp\952692e06a52def1ae5a4135e9bbe13d_JaffaCakes118.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      PID:3732
    • C:\Windows\SysWOW64\cmd.exe
      /c net stop MpsSvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4400
      • C:\Windows\SysWOW64\net.exe
        net stop MpsSvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MpsSvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1896
    • C:\Users\Admin\AppData\Local\Temp\952692e06a52def1ae5a4135e9bbe13d_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\952692e06a52def1ae5a4135e9bbe13d_JaffaCakes118.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2476
      • C:\Users\Admin\AppData\Roaming\Install\excel.exe
        "C:\Users\Admin\AppData\Roaming\Install\excel.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1556
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Roaming\Install\excel.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
          4⤵
          • Drops startup file
          • System Location Discovery: System Language Discovery
          PID:4708
        • C:\Windows\SysWOW64\cmd.exe
          /c net stop MpsSvc
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1504
          • C:\Windows\SysWOW64\net.exe
            net stop MpsSvc
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4156
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MpsSvc
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2824
        • C:\Users\Admin\AppData\Roaming\Install\excel.exe
          C:\Users\Admin\AppData\Roaming\Install\excel.exe
          4⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Adds Run key to start application
          PID:1424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\952692e06a52def1ae5a4135e9bbe13d_JaffaCakes118.exe

    Filesize

    359KB

    MD5

    952692e06a52def1ae5a4135e9bbe13d

    SHA1

    72a5a6ad26acb424d540fd2cdd86fbe316d88eb5

    SHA256

    de98e97c7af2ae6eaf40e293e156e83c1b80e3d197add148ced9b4e98f84a1eb

    SHA512

    410908d17b87d8d617bd9897a04622efcd0ced4122acc66cb85c88d864d63798da147dc9600ca2eb082cb81ef473fd3a34d789e34a383db11cf68d02c87a782d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs

    Filesize

    111B

    MD5

    89394958ce9d184d2340451aad75fffd

    SHA1

    57984720d59beb2d034483c409f7791dd6a41cc8

    SHA256

    2f1e20eab24d144fe57631b11a5b6cef3d805f9a368b008ed38e7bd8d15e43bf

    SHA512

    84a9e31e6d2a516d49c2bb12a004fb79fd4c822aa402556b8fc84180d779d2c4040a14c47b5ef9f604da51064d9f66c41e161bc415b9134212e2dd000140aba4

  • memory/1424-27-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1556-16-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1556-14-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2088-1-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2088-2-0x0000000000A80000-0x0000000000A85000-memory.dmp

    Filesize

    20KB

  • memory/2088-0-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2088-24-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2476-5-0x0000000000400000-0x0000000000FB8000-memory.dmp

    Filesize

    11.7MB

  • memory/2476-13-0x0000000000400000-0x0000000000FB8000-memory.dmp

    Filesize

    11.7MB

  • memory/2476-12-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2476-6-0x0000000000400000-0x0000000000FB8000-memory.dmp

    Filesize

    11.7MB