Analysis

  • max time kernel
    203s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2022, 07:23

General

  • Target

    79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660.exe

  • Size

    365KB

  • MD5

    72aba6eddfc86c65fab65b9400636980

  • SHA1

    b9561a92b90e9f6725e9d461a9bc817569048613

  • SHA256

    79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660

  • SHA512

    9f04a71aa317e64855f4fb04da4eb6a90dd1c7738c04f40794ab1c6a9c6b9ede9583edfbdd3e88c219e5f1e120d36dc49a6861eacb986f76cb8c615c972d568a

  • SSDEEP

    6144:TgLxtJnhCM9GFgCiBoQXIEes8BN70i8DIHIhojbEOihmVl6i+YhBMsEYNr+:UoFgPBlXHeNNcDajHEORl6i+YsWZ+

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:3092
      • C:\Users\Admin\AppData\Local\Temp\79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660.exe
        "C:\Users\Admin\AppData\Local\Temp\79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1220
        • C:\Users\Admin\AppData\Local\Temp\79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660.exe
          C:\Users\Admin\AppData\Local\Temp\79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660.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:1488
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:652
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:224
            • C:\Users\Admin\AppData\Local\Temp\79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660.exe
              "C:\Users\Admin\AppData\Local\Temp\79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Program Files directory
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              PID:2144
              • 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:5060
                • C:\Program Files (x86)\Mozilla\Flash_Update.exe
                  "C:\Program Files (x86)\Mozilla\Flash_Update.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:4568
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 528
                    7⤵
                    • Program crash
                    PID:3840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4568 -ip 4568
        1⤵
          PID:3424

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

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

                Filesize

                365KB

                MD5

                72aba6eddfc86c65fab65b9400636980

                SHA1

                b9561a92b90e9f6725e9d461a9bc817569048613

                SHA256

                79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660

                SHA512

                9f04a71aa317e64855f4fb04da4eb6a90dd1c7738c04f40794ab1c6a9c6b9ede9583edfbdd3e88c219e5f1e120d36dc49a6861eacb986f76cb8c615c972d568a

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

                Filesize

                365KB

                MD5

                72aba6eddfc86c65fab65b9400636980

                SHA1

                b9561a92b90e9f6725e9d461a9bc817569048613

                SHA256

                79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660

                SHA512

                9f04a71aa317e64855f4fb04da4eb6a90dd1c7738c04f40794ab1c6a9c6b9ede9583edfbdd3e88c219e5f1e120d36dc49a6861eacb986f76cb8c615c972d568a

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

                Filesize

                365KB

                MD5

                72aba6eddfc86c65fab65b9400636980

                SHA1

                b9561a92b90e9f6725e9d461a9bc817569048613

                SHA256

                79dc0b66e72e7309dafebce94880023ba6d6ae752dd3260b8dd5a7a280177660

                SHA512

                9f04a71aa317e64855f4fb04da4eb6a90dd1c7738c04f40794ab1c6a9c6b9ede9583edfbdd3e88c219e5f1e120d36dc49a6861eacb986f76cb8c615c972d568a

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

                Filesize

                230KB

                MD5

                55b3ff6fd41959b7bcbbebc003080c18

                SHA1

                381b83bffe1ca7e5d3b29fd60dbd3c04e9cbbb9b

                SHA256

                e3ee87cd8a25ffc7aee482f65263957b578b3c5cffa1a281a8a13a81287753ef

                SHA512

                4c71628e1c715c7210de428738d6507fcec9d2058df3c42df38e02cdbe65f6eebf30e1f055141fc77927c60c89e72e80881dc27014182459beb89ce94e85bd1e

              • memory/652-147-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/652-150-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/1220-135-0x0000000000AE0000-0x0000000000AE4000-memory.dmp

                Filesize

                16KB

              • memory/1488-139-0x0000000024010000-0x0000000024072000-memory.dmp

                Filesize

                392KB

              • memory/1488-161-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1488-137-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1488-136-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1488-152-0x00000000240F0000-0x0000000024152000-memory.dmp

                Filesize

                392KB

              • memory/1488-133-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1488-157-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1488-134-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1488-144-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/2144-162-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/2144-160-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/2144-171-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/4568-169-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/4568-170-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB