Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 15:59

General

  • Target

    f81a720ff5018e33e4bf3c54e2351fe8b76fed77be3dade613430f39e1acb02b.exe

  • Size

    575KB

  • MD5

    09dfa841a99ea12b8e963d0d11316aab

  • SHA1

    e66b59521081536eb539279c4da561fe3eadfc7e

  • SHA256

    f81a720ff5018e33e4bf3c54e2351fe8b76fed77be3dade613430f39e1acb02b

  • SHA512

    6a27adf46a3b10fb8d3f31aea572ebc7bf116c5ebfa81aefe6a85a83ce2ff7e4678412b70fa2debf3c82cb0b7b89e61bedfcff2e8fd83db6b4cb20a73cd08545

  • SSDEEP

    12288:ZaQBHFgW600JCwMvxNyQtt6Li/YaX5U16A617lhLxgZtQzcAvjC3//2K+dvZy5UL:Zlw631/qAjCPMZOUHR

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Hack

C2

127.0.0.1:81

Mutex

VD43DX8B8QF451

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Windir

  • install_file

    svchsot.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123

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 1 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.

  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
      • C:\Users\Admin\AppData\Local\Temp\f81a720ff5018e33e4bf3c54e2351fe8b76fed77be3dade613430f39e1acb02b.exe
        "C:\Users\Admin\AppData\Local\Temp\f81a720ff5018e33e4bf3c54e2351fe8b76fed77be3dade613430f39e1acb02b.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1632
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1256
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:1100
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1600
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:284
              • C:\Windows\SysWOW64\Windir\svchsot.exe
                "C:\Windows\system32\Windir\svchsot.exe"
                5⤵
                • Executes dropped EXE
                PID:468
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
            dw20.exe -x -s 880
            3⤵
              PID:1072

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scripting

        1
        T1064

        Persistence

        Registry Run Keys / Startup Folder

        2
        T1060

        Defense Evasion

        Modify Registry

        2
        T1112

        Scripting

        1
        T1064

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Admin2.txt
          Filesize

          224KB

          MD5

          5d8209a34c398845117d3a5fab40d99a

          SHA1

          eca2d69f87f80a1d3de3161a23166a8a31198800

          SHA256

          7be7d425a6fa279131706e28b06d2e1c03ef01806e6a9806c3e95b212e00aacf

          SHA512

          0733dbfba77a589f16a9c3ab849fb7cdee2c56f52246548467d63bc24fc092c58eca44530e7f6b2b644bab6006c48789428abb82cbe6b2b2d1dd834abb3633d1

        • C:\Windows\SysWOW64\Windir\svchsot.exe
          Filesize

          1.1MB

          MD5

          34aa912defa18c2c129f1e09d75c1d7e

          SHA1

          9c3046324657505a30ecd9b1fdb46c05bde7d470

          SHA256

          6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

          SHA512

          d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

        • C:\Windows\SysWOW64\Windir\svchsot.exe
          Filesize

          1.1MB

          MD5

          34aa912defa18c2c129f1e09d75c1d7e

          SHA1

          9c3046324657505a30ecd9b1fdb46c05bde7d470

          SHA256

          6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

          SHA512

          d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

        • \Windows\SysWOW64\Windir\svchsot.exe
          Filesize

          1.1MB

          MD5

          34aa912defa18c2c129f1e09d75c1d7e

          SHA1

          9c3046324657505a30ecd9b1fdb46c05bde7d470

          SHA256

          6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

          SHA512

          d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

        • memory/284-102-0x0000000010560000-0x00000000105C5000-memory.dmp
          Filesize

          404KB

        • memory/284-100-0x0000000010560000-0x00000000105C5000-memory.dmp
          Filesize

          404KB

        • memory/284-93-0x0000000010560000-0x00000000105C5000-memory.dmp
          Filesize

          404KB

        • memory/284-86-0x0000000000000000-mapping.dmp
        • memory/468-98-0x0000000000000000-mapping.dmp
        • memory/1072-95-0x0000000000000000-mapping.dmp
        • memory/1100-80-0x0000000010480000-0x00000000104E5000-memory.dmp
          Filesize

          404KB

        • memory/1100-71-0x00000000721D1000-0x00000000721D3000-memory.dmp
          Filesize

          8KB

        • memory/1100-77-0x0000000010480000-0x00000000104E5000-memory.dmp
          Filesize

          404KB

        • memory/1100-69-0x0000000000000000-mapping.dmp
        • memory/1208-65-0x0000000010410000-0x0000000010475000-memory.dmp
          Filesize

          404KB

        • memory/1256-88-0x0000000010560000-0x00000000105C5000-memory.dmp
          Filesize

          404KB

        • memory/1256-82-0x00000000104F0000-0x0000000010555000-memory.dmp
          Filesize

          404KB

        • memory/1256-67-0x0000000000400000-0x0000000000451000-memory.dmp
          Filesize

          324KB

        • memory/1256-72-0x0000000010480000-0x00000000104E5000-memory.dmp
          Filesize

          404KB

        • memory/1256-94-0x0000000000400000-0x0000000000451000-memory.dmp
          Filesize

          324KB

        • memory/1256-62-0x0000000010410000-0x0000000010475000-memory.dmp
          Filesize

          404KB

        • memory/1256-59-0x0000000000400000-0x0000000000451000-memory.dmp
          Filesize

          324KB

        • memory/1256-57-0x0000000000400000-0x0000000000451000-memory.dmp
          Filesize

          324KB

        • memory/1256-56-0x000000000040E1A8-mapping.dmp
        • memory/1256-55-0x0000000000400000-0x0000000000451000-memory.dmp
          Filesize

          324KB

        • memory/1632-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
          Filesize

          8KB

        • memory/1632-60-0x0000000074F90000-0x000000007553B000-memory.dmp
          Filesize

          5.7MB

        • memory/1632-101-0x0000000074F90000-0x000000007553B000-memory.dmp
          Filesize

          5.7MB