Analysis

  • max time kernel
    163s
  • max time network
    172s
  • 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, 04:31

General

  • Target

    618519d9d7863551fb1a33f5397ae510f19cdbae6fbdfd25757f037445b4f608.exe

  • Size

    280KB

  • MD5

    1243b2ad0c307d811c19c2c46d28d636

  • SHA1

    02e9dbf9a1c75fe7a61a95d0c68a4034f5cca727

  • SHA256

    618519d9d7863551fb1a33f5397ae510f19cdbae6fbdfd25757f037445b4f608

  • SHA512

    4068de9bc94c9c30f59d8bbbd34f54af80af9595b45477e353287fa5193a6345d993d6e1b11cfc09ba9bca345448845ff43671092b5f6926a8270568c7f507ae

  • SSDEEP

    6144:m3LZpsxZZQttyCVxaWYSdMU/77hlruc6XmDoTbcI7CPPd2:SbeAtpVxagMU/plruchDofAPM

Malware Config

Extracted

Family

cybergate

Version

v1.02.0

Botnet

GRATIS

C2

bowo.no-ip.biz:82

Mutex

3P06T6K7C531W1

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    cybergate

  • 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
  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 5 IoCs
  • UPX packed file 9 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1084
      • C:\Users\Admin\AppData\Local\Temp\618519d9d7863551fb1a33f5397ae510f19cdbae6fbdfd25757f037445b4f608.exe
        "C:\Users\Admin\AppData\Local\Temp\618519d9d7863551fb1a33f5397ae510f19cdbae6fbdfd25757f037445b4f608.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Checks computer location settings
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4784
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:4876
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:2488
          • C:\Users\Admin\AppData\Local\Temp\618519d9d7863551fb1a33f5397ae510f19cdbae6fbdfd25757f037445b4f608.exe
            "C:\Users\Admin\AppData\Local\Temp\618519d9d7863551fb1a33f5397ae510f19cdbae6fbdfd25757f037445b4f608.exe"
            3⤵
            • Checks computer location settings
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1040
            • C:\Windows\SysWOW64\install\server.exe
              "C:\Windows\system32\install\server.exe"
              4⤵
              • Executes dropped EXE
              PID:2124
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 532
                5⤵
                • Program crash
                PID:2292
          • C:\Windows\SysWOW64\install\server.exe
            "C:\Windows\system32\install\server.exe"
            3⤵
            • Executes dropped EXE
            PID:2544
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 564
              4⤵
              • Program crash
              PID:3572
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1084 -s 3332
          2⤵
          • Program crash
          PID:4752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2544 -ip 2544
        1⤵
          PID:3204
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -pss -s 516 -p 1084 -ip 1084
          1⤵
            PID:2136
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Enumerates connected drives
            • Checks SCSI registry key(s)
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:5004
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2124 -ip 2124
            1⤵
              PID:2640
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
              • Enumerates system info in registry
              • Modifies registry class
              • Suspicious use of SetWindowsHookEx
              PID:1248
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
              • Modifies registry class
              • Suspicious use of SetWindowsHookEx
              PID:2208

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

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

                    Filesize

                    219KB

                    MD5

                    2c453c2ba94c98a57a37459b5ff4b1c4

                    SHA1

                    7d5e694328ba2439baf77c94e10b606e17d77710

                    SHA256

                    4ecba45a39e0edfcd0e352207b7ee78ba346a1ca94f8ea4a2bafd5edb038e926

                    SHA512

                    ebd4753f2a19ab3f602e2633f7b8e71a2f3f974145c3f2c92f7162332c9dc4e1318a98759bcfa9d82ab43aa942f059f580a81a1e3a32fb43225b20e270f493e0

                  • C:\Windows\SysWOW64\install\server.exe

                    Filesize

                    280KB

                    MD5

                    1243b2ad0c307d811c19c2c46d28d636

                    SHA1

                    02e9dbf9a1c75fe7a61a95d0c68a4034f5cca727

                    SHA256

                    618519d9d7863551fb1a33f5397ae510f19cdbae6fbdfd25757f037445b4f608

                    SHA512

                    4068de9bc94c9c30f59d8bbbd34f54af80af9595b45477e353287fa5193a6345d993d6e1b11cfc09ba9bca345448845ff43671092b5f6926a8270568c7f507ae

                  • C:\Windows\SysWOW64\install\server.exe

                    Filesize

                    280KB

                    MD5

                    1243b2ad0c307d811c19c2c46d28d636

                    SHA1

                    02e9dbf9a1c75fe7a61a95d0c68a4034f5cca727

                    SHA256

                    618519d9d7863551fb1a33f5397ae510f19cdbae6fbdfd25757f037445b4f608

                    SHA512

                    4068de9bc94c9c30f59d8bbbd34f54af80af9595b45477e353287fa5193a6345d993d6e1b11cfc09ba9bca345448845ff43671092b5f6926a8270568c7f507ae

                  • C:\Windows\SysWOW64\install\server.exe

                    Filesize

                    280KB

                    MD5

                    1243b2ad0c307d811c19c2c46d28d636

                    SHA1

                    02e9dbf9a1c75fe7a61a95d0c68a4034f5cca727

                    SHA256

                    618519d9d7863551fb1a33f5397ae510f19cdbae6fbdfd25757f037445b4f608

                    SHA512

                    4068de9bc94c9c30f59d8bbbd34f54af80af9595b45477e353287fa5193a6345d993d6e1b11cfc09ba9bca345448845ff43671092b5f6926a8270568c7f507ae

                  • memory/1040-160-0x0000000024130000-0x000000002418F000-memory.dmp

                    Filesize

                    380KB

                  • memory/1040-157-0x0000000024130000-0x000000002418F000-memory.dmp

                    Filesize

                    380KB

                  • memory/1040-154-0x0000000024130000-0x000000002418F000-memory.dmp

                    Filesize

                    380KB

                  • memory/1248-184-0x00000236C1E7F000-0x00000236C1E83000-memory.dmp

                    Filesize

                    16KB

                  • memory/1248-187-0x00000236C1E90000-0x00000236C1E94000-memory.dmp

                    Filesize

                    16KB

                  • memory/1248-192-0x00000236C1E94000-0x00000236C1E97000-memory.dmp

                    Filesize

                    12KB

                  • memory/1248-195-0x00000236C1E94000-0x00000236C1E97000-memory.dmp

                    Filesize

                    12KB

                  • memory/1248-194-0x00000236C1E94000-0x00000236C1E97000-memory.dmp

                    Filesize

                    12KB

                  • memory/1248-193-0x00000236C1E94000-0x00000236C1E97000-memory.dmp

                    Filesize

                    12KB

                  • memory/1248-189-0x00000236C1E90000-0x00000236C1E94000-memory.dmp

                    Filesize

                    16KB

                  • memory/1248-190-0x00000236C1E90000-0x00000236C1E94000-memory.dmp

                    Filesize

                    16KB

                  • memory/1248-188-0x00000236C1E90000-0x00000236C1E94000-memory.dmp

                    Filesize

                    16KB

                  • memory/1248-170-0x00000236C0470000-0x00000236C0478000-memory.dmp

                    Filesize

                    32KB

                  • memory/1248-171-0x00000236C10F0000-0x00000236C1110000-memory.dmp

                    Filesize

                    128KB

                  • memory/1248-173-0x00000236C1910000-0x00000236C1930000-memory.dmp

                    Filesize

                    128KB

                  • memory/1248-176-0x00000236C11B0000-0x00000236C11D0000-memory.dmp

                    Filesize

                    128KB

                  • memory/1248-179-0x00000236C1190000-0x00000236C11B0000-memory.dmp

                    Filesize

                    128KB

                  • memory/1248-180-0x00000236C1E7F000-0x00000236C1E83000-memory.dmp

                    Filesize

                    16KB

                  • memory/1248-181-0x00000236C1E7F000-0x00000236C1E83000-memory.dmp

                    Filesize

                    16KB

                  • memory/1248-182-0x00000236C1E7F000-0x00000236C1E83000-memory.dmp

                    Filesize

                    16KB

                  • memory/1248-183-0x00000236C1E7F000-0x00000236C1E83000-memory.dmp

                    Filesize

                    16KB

                  • memory/4784-151-0x0000000024130000-0x000000002418F000-memory.dmp

                    Filesize

                    380KB

                  • memory/4784-133-0x0000000024010000-0x000000002406F000-memory.dmp

                    Filesize

                    380KB

                  • memory/4784-138-0x0000000024070000-0x00000000240CF000-memory.dmp

                    Filesize

                    380KB

                  • memory/4784-146-0x00000000240D0000-0x000000002412F000-memory.dmp

                    Filesize

                    380KB

                  • memory/4876-141-0x0000000024070000-0x00000000240CF000-memory.dmp

                    Filesize

                    380KB

                  • memory/4876-144-0x0000000024070000-0x00000000240CF000-memory.dmp

                    Filesize

                    380KB