Analysis

  • max time kernel
    152s
  • max time network
    151s
  • 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, 10:51

General

  • Target

    9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe

  • Size

    694KB

  • MD5

    312f3a3eb91eed8d7673e93dfc61db5b

  • SHA1

    9c29e1bf2ce4b3e5a6395e4e4805124bd4354c64

  • SHA256

    9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed

  • SHA512

    359452472f1a7d6ce8a16bee96794c5dc89fbb19cc8aacb2afed83ca5ba909ba51951998ee8069f928ba3f0f809a0e62f2f69c70008c47a1274d08c00660301f

  • SSDEEP

    12288:XHnDGzf41Egt3+otsacEYfBP3hcZvx5auByAKAzJm6hRCLel7aC2F:zJEu3+vVR93hcpxnByHAzJm6mqot

Malware Config

Extracted

Family

cybergate

Version

2.7 Final

Botnet

Antivirus

C2

hugui-201181.no-ip.biz:5939

Mutex

ghjkiolpñlokilkjuytredfesxcwssedaqsdcx

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Win32

  • install_file

    explorer.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    201181

  • 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 4 IoCs
  • 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
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows 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
  • Checks processor information in registry 2 TTPs 3 IoCs

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

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

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3004
      • C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe
        "C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1152
        • C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe
          C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2380
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:3232
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:2868
            • C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe
              "C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Windows directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:2700
              • C:\Windows\Win32\explorer.exe
                "C:\Windows\Win32\explorer.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious use of SetWindowsHookEx
                PID:5792
                • C:\Windows\Win32\explorer.exe
                  C:\Windows\Win32\explorer.exe
                  6⤵
                  • Executes dropped EXE
                  PID:5828
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 5828 -s 532
                    7⤵
                    • Program crash
                    PID:5944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5828 -ip 5828
        1⤵
          PID:5908
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k netsvcs -p
          1⤵
          • Drops file in System32 directory
          • Checks processor information in registry
          • Enumerates system info in registry
          PID:3108

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

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

                Filesize

                588KB

                MD5

                3b4d13625487c38ad92351873c7944f6

                SHA1

                a5024b629b666189f3b0f8832e28463e430d27b2

                SHA256

                307edf4b923f603a4a4113661155767c08c5db805e545323dc1139c3153c2210

                SHA512

                ef957ee6fb96c72c1a7d58d02acdfd4761b2339a8f2d2217884e2958953a4628d64c7835a2815f68ebd922dccd392dd5e69058f14832b802d26dabf5a3ab3569

              • C:\Windows\Win32\explorer.exe

                Filesize

                694KB

                MD5

                312f3a3eb91eed8d7673e93dfc61db5b

                SHA1

                9c29e1bf2ce4b3e5a6395e4e4805124bd4354c64

                SHA256

                9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed

                SHA512

                359452472f1a7d6ce8a16bee96794c5dc89fbb19cc8aacb2afed83ca5ba909ba51951998ee8069f928ba3f0f809a0e62f2f69c70008c47a1274d08c00660301f

              • C:\Windows\Win32\explorer.exe

                Filesize

                694KB

                MD5

                312f3a3eb91eed8d7673e93dfc61db5b

                SHA1

                9c29e1bf2ce4b3e5a6395e4e4805124bd4354c64

                SHA256

                9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed

                SHA512

                359452472f1a7d6ce8a16bee96794c5dc89fbb19cc8aacb2afed83ca5ba909ba51951998ee8069f928ba3f0f809a0e62f2f69c70008c47a1274d08c00660301f

              • C:\Windows\Win32\explorer.exe

                Filesize

                694KB

                MD5

                312f3a3eb91eed8d7673e93dfc61db5b

                SHA1

                9c29e1bf2ce4b3e5a6395e4e4805124bd4354c64

                SHA256

                9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed

                SHA512

                359452472f1a7d6ce8a16bee96794c5dc89fbb19cc8aacb2afed83ca5ba909ba51951998ee8069f928ba3f0f809a0e62f2f69c70008c47a1274d08c00660301f

              • memory/1152-132-0x0000000000400000-0x000000000040E001-memory.dmp

                Filesize

                56KB

              • memory/1152-138-0x0000000000400000-0x000000000040E001-memory.dmp

                Filesize

                56KB

              • memory/2380-142-0x0000000010410000-0x000000001046C000-memory.dmp

                Filesize

                368KB

              • memory/2380-174-0x0000000000400000-0x00000000004A8000-memory.dmp

                Filesize

                672KB

              • memory/2380-150-0x0000000010470000-0x00000000104CC000-memory.dmp

                Filesize

                368KB

              • memory/2380-136-0x0000000000400000-0x00000000004A8000-memory.dmp

                Filesize

                672KB

              • memory/2380-158-0x00000000104D0000-0x000000001052C000-memory.dmp

                Filesize

                368KB

              • memory/2380-140-0x0000000000400000-0x00000000004A8000-memory.dmp

                Filesize

                672KB

              • memory/2380-139-0x0000000000400000-0x00000000004A8000-memory.dmp

                Filesize

                672KB

              • memory/2380-137-0x0000000000400000-0x00000000004A8000-memory.dmp

                Filesize

                672KB

              • memory/2380-168-0x0000000010530000-0x000000001058C000-memory.dmp

                Filesize

                368KB

              • memory/2700-175-0x0000000000400000-0x000000000040E001-memory.dmp

                Filesize

                56KB

              • memory/2700-176-0x0000000010530000-0x000000001058C000-memory.dmp

                Filesize

                368KB

              • memory/2700-190-0x0000000010530000-0x000000001058C000-memory.dmp

                Filesize

                368KB

              • memory/3232-156-0x0000000010470000-0x00000000104CC000-memory.dmp

                Filesize

                368KB

              • memory/3232-189-0x0000000010470000-0x00000000104CC000-memory.dmp

                Filesize

                368KB

              • memory/5792-181-0x0000000000400000-0x000000000040E001-memory.dmp

                Filesize

                56KB

              • memory/5792-187-0x0000000000400000-0x000000000040E001-memory.dmp

                Filesize

                56KB

              • memory/5828-186-0x0000000000400000-0x00000000004A8000-memory.dmp

                Filesize

                672KB

              • memory/5828-188-0x0000000000400000-0x00000000004A8000-memory.dmp

                Filesize

                672KB