Analysis

  • max time kernel
    151s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 09:07

General

  • Target

    4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe

  • Size

    461KB

  • MD5

    063ff71b72736da808960ea600dd1480

  • SHA1

    7c431d0d97df53217645964234d38e8e5b210f16

  • SHA256

    4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

  • SHA512

    ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

  • SSDEEP

    12288:flEJ2XPju8f2DS1/4ZhUkPWpyF8ZAl5h3mMRxo:NEg7unhUHE8mhw

Malware Config

Extracted

Family

cybergate

Version

v1.03.0

C2

dunderburken.no-ip.biz:82

Mutex

17U1X2F2WT4L02

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    csrss.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

    q16469822

  • 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 4 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.

  • Drops startup file 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1224
      • C:\Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe
        "C:\Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe"
        2⤵
        • Drops startup file
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1712
        • C:\Windows\SysWOW64\cmd.exe
          /c net stop MpsSvc
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1284
          • C:\Windows\SysWOW64\net.exe
            net stop MpsSvc
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:544
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MpsSvc
              5⤵
                PID:1148
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            3⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1640
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1640 CREDAT:275457 /prefetch:2
              4⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:1548
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1640 CREDAT:275466 /prefetch:2
              4⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2164
          • C:\Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe
            C:\Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe
            3⤵
            • Adds policy Run key to start application
            • Executes dropped EXE
            • Modifies Installed Components in the registry
            • Loads dropped DLL
            • Adds Run key to start application
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:1932
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              4⤵
              • Modifies Installed Components in the registry
              PID:1652
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              4⤵
                PID:1788
              • C:\Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe
                "C:\Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe"
                4⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Drops file in System32 directory
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                PID:1592
                • C:\Windows\SysWOW64\install\server.exe
                  "C:\Windows\system32\install\server.exe"
                  5⤵
                  • Executes dropped EXE
                  • Drops startup file
                  • Adds Run key to start application
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2052
                  • C:\Windows\SysWOW64\cmd.exe
                    /c net stop MpsSvc
                    6⤵
                      PID:2088
                      • C:\Windows\SysWOW64\net.exe
                        net stop MpsSvc
                        7⤵
                          PID:2124
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop MpsSvc
                            8⤵
                              PID:2144
                        • C:\Program Files\Internet Explorer\iexplore.exe
                          "C:\Program Files\Internet Explorer\iexplore.exe"
                          6⤵
                            PID:2100
                          • C:\Windows\SysWOW64\install\server.exe
                            C:\Windows\SysWOW64\install\server.exe
                            6⤵
                            • Executes dropped EXE
                            • Suspicious behavior: EnumeratesProcesses
                            PID:2260

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\system.pif

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

                      • C:\Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

                      • C:\Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

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

                        Filesize

                        221KB

                        MD5

                        eb38fe298ebff2c3350762d8d31ea2f1

                        SHA1

                        137f3689e670c8f6321cb0019f667873bd3a4989

                        SHA256

                        eb306b1374ec1e239104d8a638c18d76111e9b2f570d35d4c15fb028909fef8c

                        SHA512

                        f556cc5d9f4dc265dfc0a5640a725fa2b4c7e73a8a18df45d4ccd04c07040d2f51e0cae65d010d884421523fa86589afa2d7d63253a404a334c83f7cb0fa87f1

                      • C:\Users\Admin\AppData\Roaming\InstallDir\help.exe

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\RM0WHHAQ.txt

                        Filesize

                        600B

                        MD5

                        854b80ed7ffc6853844258a8498a96a8

                        SHA1

                        bd2230cca7f6296c504ae12e87bdb79782892143

                        SHA256

                        aa4671eaf5dd830247ab0da141d39995d5092744570ae32ff1f6cd30f3541749

                        SHA512

                        a9db7f1baa292c7deb34b245c688e91ffe1dbb7cd02295b9aeb46f52031199af27b79338da01a5866e2cd442cb2574262b6e52a98aba4ad0afbfe1ff0967210e

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.pif

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

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

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

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

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

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

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

                      • \Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

                      • \Users\Admin\AppData\Local\Temp\4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833.exe

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

                      • \Windows\SysWOW64\install\server.exe

                        Filesize

                        461KB

                        MD5

                        063ff71b72736da808960ea600dd1480

                        SHA1

                        7c431d0d97df53217645964234d38e8e5b210f16

                        SHA256

                        4185a8ba8d66c11aa83da5d388f033e82f3aeed64dbf5e63b363a38394a01833

                        SHA512

                        ba08d2c3c5756c7b623eb64e834587ebd63d8ea6669e82474401a20c0f4e5bfc95f4d28b590274bd6e517b07b283b1e49f06a0dff59761e86d3c9a727abba32c

                      • memory/1224-80-0x0000000024010000-0x0000000024071000-memory.dmp

                        Filesize

                        388KB

                      • memory/1592-121-0x0000000024160000-0x00000000241C1000-memory.dmp

                        Filesize

                        388KB

                      • memory/1592-139-0x0000000024160000-0x00000000241C1000-memory.dmp

                        Filesize

                        388KB

                      • memory/1592-109-0x0000000024160000-0x00000000241C1000-memory.dmp

                        Filesize

                        388KB

                      • memory/1652-94-0x0000000024080000-0x00000000240E1000-memory.dmp

                        Filesize

                        388KB

                      • memory/1652-85-0x0000000071DF1000-0x0000000071DF3000-memory.dmp

                        Filesize

                        8KB

                      • memory/1652-91-0x0000000024080000-0x00000000240E1000-memory.dmp

                        Filesize

                        388KB

                      • memory/1712-58-0x0000000000350000-0x0000000000354000-memory.dmp

                        Filesize

                        16KB

                      • memory/1712-54-0x00000000765B1000-0x00000000765B3000-memory.dmp

                        Filesize

                        8KB

                      • memory/1932-63-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-118-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-86-0x0000000024080000-0x00000000240E1000-memory.dmp

                        Filesize

                        388KB

                      • memory/1932-77-0x0000000024010000-0x0000000024071000-memory.dmp

                        Filesize

                        388KB

                      • memory/1932-75-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-104-0x0000000024160000-0x00000000241C1000-memory.dmp

                        Filesize

                        388KB

                      • memory/1932-74-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-72-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-60-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-69-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-65-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-61-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-96-0x00000000240F0000-0x0000000024151000-memory.dmp

                        Filesize

                        388KB

                      • memory/1932-64-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-66-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1932-67-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/2260-136-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/2260-137-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB

                      • memory/2260-138-0x0000000000400000-0x000000000044C000-memory.dmp

                        Filesize

                        304KB