Analysis

  • max time kernel
    187s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 06:46

General

  • Target

    fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d.exe

  • Size

    365KB

  • MD5

    211f5b91e02cce9155adcbb0ad9233f0

  • SHA1

    2a04655504ec02036e750aa8c3aff776df9b7b14

  • SHA256

    fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d

  • SHA512

    ab81533d0eac4ae885871f6d4991bdc97ce6ae2fb35cb26bde5e8a987338f32b5aee033a5fd437d9cc14fb4db3a0b9ebc4e6b31fd93497e33b2afadb126894f3

  • SSDEEP

    6144:TgLxtJnhCM9GFgCiBoQXIEes8BN70i8DIHIhojbEOihmVl6i+YhBMsEYNrK:UoFgPBlXHeNNcDajHEORl6i+YsWZK

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

new504

C2

Firefox.ignorelist.com:82

Mutex

drd78sv8edrj

Attributes
  • enable_keylogger

    false

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    dwm.exe

  • install_dir

    Mozilla

  • install_file

    Flash_Update.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Notice: Undefined index: template in /opt/lampp/htdocs/install/index.php on line 17 Notice: Undefined index: language in /opt/lampp/htdocs/install/index.php on line 21 Notice: Use of undefined constant _logout_true - assumed '_logout_true' in /opt/lampp/htdocs/inc/_lang/english.php on line 17 Notice: Use of undefined constant _login_true - assumed '_login_true' in /opt/lampp/htdocs/inc/_lang/english.php on line 18 Notice: Use of undefined constant _login_false_pwd - assumed '_login_false_pwd' in /opt/lampp/htdocs/inc/_lang/english.php on line 19 Notice: Use of undefined constant _login_false_name - assumed '_login_false_name' in /opt/lampp/htdocs/inc/_lang/english.php on line 20 Notice: Use of undefined constant _login_not_active_map - assumed '_login_not_active_map' in /opt/lampp/htdocs/inc/_lang/english.php on line 21 Notice: Use of undefined constant _save_area - assumed '_save_area' in /opt/lampp/htdocs/inc/_lang/english.php on line 23

  • message_box_title

    ERROR

  • password

    1234abc

  • regkey_hkcu

    Flash_Update

  • regkey_hklm

    Java_Update

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
  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 9 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2640
      • C:\Users\Admin\AppData\Local\Temp\fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d.exe
        "C:\Users\Admin\AppData\Local\Temp\fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:620
        • C:\Users\Admin\AppData\Local\Temp\fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d.exe
          C:\Users\Admin\AppData\Local\Temp\fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4896
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:2232
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:836
            • C:\Users\Admin\AppData\Local\Temp\fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d.exe
              "C:\Users\Admin\AppData\Local\Temp\fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Program Files directory
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              PID:2500
              • C:\Program Files (x86)\Mozilla\Flash_Update.exe
                "C:\Program Files (x86)\Mozilla\Flash_Update.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Program Files directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:2400
                • C:\Program Files (x86)\Mozilla\Flash_Update.exe
                  "C:\Program Files (x86)\Mozilla\Flash_Update.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:2332
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 544
                    7⤵
                    • Program crash
                    PID:2708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2332 -ip 2332
        1⤵
          PID:4348

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Program Files (x86)\Mozilla\Flash_Update.exe

                Filesize

                365KB

                MD5

                211f5b91e02cce9155adcbb0ad9233f0

                SHA1

                2a04655504ec02036e750aa8c3aff776df9b7b14

                SHA256

                fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d

                SHA512

                ab81533d0eac4ae885871f6d4991bdc97ce6ae2fb35cb26bde5e8a987338f32b5aee033a5fd437d9cc14fb4db3a0b9ebc4e6b31fd93497e33b2afadb126894f3

              • C:\Program Files (x86)\Mozilla\Flash_Update.exe

                Filesize

                365KB

                MD5

                211f5b91e02cce9155adcbb0ad9233f0

                SHA1

                2a04655504ec02036e750aa8c3aff776df9b7b14

                SHA256

                fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d

                SHA512

                ab81533d0eac4ae885871f6d4991bdc97ce6ae2fb35cb26bde5e8a987338f32b5aee033a5fd437d9cc14fb4db3a0b9ebc4e6b31fd93497e33b2afadb126894f3

              • C:\Program Files (x86)\Mozilla\Flash_Update.exe

                Filesize

                365KB

                MD5

                211f5b91e02cce9155adcbb0ad9233f0

                SHA1

                2a04655504ec02036e750aa8c3aff776df9b7b14

                SHA256

                fb7847373477a5148f190949c130977367bfee8c854811ee96381a6cbc54ac4d

                SHA512

                ab81533d0eac4ae885871f6d4991bdc97ce6ae2fb35cb26bde5e8a987338f32b5aee033a5fd437d9cc14fb4db3a0b9ebc4e6b31fd93497e33b2afadb126894f3

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

                Filesize

                230KB

                MD5

                7fc5be2ef2f3d9bdd17cbb621da67d10

                SHA1

                216b65d647aa52ec09e34bd503bee237ce73d03f

                SHA256

                e733457185a55f952101c0b40de8bf32d9a065f43e667ed81e278e0d0a2602b3

                SHA512

                3dab3911df3ac54bd2552302b49d0d395c15be590563be31d8edcbf3092deedfb81992941d1329074530ef3707a213923d54af972b6d1bdcbc14c156238a8b68

              • memory/620-134-0x0000000000A80000-0x0000000000A84000-memory.dmp

                Filesize

                16KB

              • memory/2232-150-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/2232-147-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/2332-170-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/2332-169-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/2500-162-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/2500-160-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/2500-171-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/4896-144-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/4896-161-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/4896-152-0x00000000240F0000-0x0000000024152000-memory.dmp

                Filesize

                392KB

              • memory/4896-139-0x0000000024010000-0x0000000024072000-memory.dmp

                Filesize

                392KB

              • memory/4896-137-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/4896-136-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/4896-135-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/4896-133-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/4896-157-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB