Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 18:55

General

  • Target

    9746945d0bc71b355e35f581c074ed11_JaffaCakes118.exe

  • Size

    987KB

  • MD5

    9746945d0bc71b355e35f581c074ed11

  • SHA1

    f50b66801c2c7f35c1772392cf85916250b3c0f4

  • SHA256

    422575be8a2b57c9f0616679b69b47192cbb45ff9e2a4e74bc58ea1f25a9792c

  • SHA512

    a1092aeb79766ade4cbae464b07a931c19344d9b726b1d1f289c9924a89afa6b9f7981139b065f4c2ee9deaae9e6629dcb123f2199f0463519a910ea3929d92f

  • SSDEEP

    24576:MqMW9V48fsJDeQNR+On3nvH283T+h5rE6hwcoeltQj/l:7MMmJ/DTKhEezSd

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

your_dns_here:81

simba13.no-ip.biz:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    spynet

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 7 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 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3412
      • C:\Users\Admin\AppData\Local\Temp\9746945d0bc71b355e35f581c074ed11_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\9746945d0bc71b355e35f581c074ed11_JaffaCakes118.exe"
        2⤵
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5048
        • C:\Windows\SysWOW64\rst.exe
          C:\Windows\system32\rst.exe
          3⤵
          • Adds policy Run key to start application
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4784
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Boot or Logon Autostart Execution: Active Setup
            • System Location Discovery: System Language Discovery
            PID:2100
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:3732
            • C:\Windows\SysWOW64\rst.exe
              "C:\Windows\SysWOW64\rst.exe"
              4⤵
              • Checks computer location settings
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              PID:3372
              • C:\Windows\SysWOW64\spynet\server.exe
                "C:\Windows\system32\spynet\server.exe"
                5⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:3976
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 576
                  6⤵
                  • Program crash
                  PID:3292
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4344,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4116 /prefetch:8
        1⤵
          PID:2188
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3976 -ip 3976
          1⤵
            PID:3796

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt

            Filesize

            229KB

            MD5

            a350b1fdec828e190f2d059864495f31

            SHA1

            4ad9da612a7baa9ae48f5f507519c3cb3f214790

            SHA256

            0ea6e2f4a858dded07e4d94795aa0ef7a5f84cc03ceb0449093ea429d002b664

            SHA512

            a8982bfd529310276fb026694a191d58b8fcadfe0579791c98ffe352f193f2e6c91b52ca39953e56d08948b70eb9e82d04220379aa9ca154c74bb910d64984e0

          • C:\Windows\SysWOW64\rst.exe

            Filesize

            963KB

            MD5

            0a8406991aa9e2f18f481f3949a7bd88

            SHA1

            e4aacfa85079cfb968272f4d0ce6ac23b77d7b7d

            SHA256

            5a3d5471cdc289230bebb735246040a371e59d1d1d5ac2f3a165c3e0573ddad8

            SHA512

            86c97c7598ea925ae52707990d687e01826b0dccbc1fd7dc56501bf5f5fe0feb918e7bf12214a2e16cbeb13eec408d8b96e390f3bcf3109835da52a8b48f84f8

          • memory/2100-14-0x0000000001440000-0x0000000001441000-memory.dmp

            Filesize

            4KB

          • memory/2100-13-0x0000000001180000-0x0000000001181000-memory.dmp

            Filesize

            4KB

          • memory/2100-72-0x0000000003F30000-0x0000000003F31000-memory.dmp

            Filesize

            4KB

          • memory/2100-73-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/2100-74-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/2100-161-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/3372-144-0x0000000024160000-0x00000000241C2000-memory.dmp

            Filesize

            392KB

          • memory/3372-165-0x0000000024160000-0x00000000241C2000-memory.dmp

            Filesize

            392KB

          • memory/4784-10-0x0000000024010000-0x0000000024072000-memory.dmp

            Filesize

            392KB

          • memory/4784-69-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB