Analysis

  • max time kernel
    151s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 07:32

General

  • Target

    65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3.exe

  • Size

    344KB

  • MD5

    70e0dbe4e282574c5497f3f80f30c960

  • SHA1

    b42e47dc0167f6938cd6e94050465f43a66bd364

  • SHA256

    65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3

  • SHA512

    47f39be7df3838af555725acbe1ebb28068faa2b21aa626e6147c8a6003fe6f978a0b09e2cebf4d930103d9c154d2c913fae2f889132d23a28a5caaf385067fe

  • SSDEEP

    6144:lmcD66RW5JGmrpQsK3FD2u270jupCJsCxCRI9aF53+:AcD66l92zkPaCxG3

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

127.0.0.1:81

eproctus.no-ip.org:81

Mutex

***MUTEX***

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

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • 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 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 21 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3.exe
        "C:\Users\Admin\AppData\Local\Temp\65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1652
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:960
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:1508
          • C:\Users\Admin\AppData\Local\Temp\65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3.exe
            "C:\Users\Admin\AppData\Local\Temp\65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3.exe"
            3⤵
            • Loads dropped DLL
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1432
            • C:\dir\install\install\server.exe
              "C:\dir\install\install\server.exe"
              4⤵
              • Executes dropped EXE
              PID:1964

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

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

              Filesize

              229KB

              MD5

              880b8ecbb2643c10ec8855c1881a35f8

              SHA1

              bd49df7e318a0b2a27dec54d338c372b6fff1c68

              SHA256

              7cab5669d28fae1e12224934e8b2d8225bc50e9ef8fef7e6618d0b104d064bae

              SHA512

              3458101eb19ff62e70cfb4397aabcc20164bd633ee7f2fc31a4acdaa0ce3f917e5c04f7dcd47be2d8f48a4eb2344a878b2a177d4873a2af3bb6ad3b74367ce0a

            • C:\dir\install\install\server.exe

              Filesize

              344KB

              MD5

              70e0dbe4e282574c5497f3f80f30c960

              SHA1

              b42e47dc0167f6938cd6e94050465f43a66bd364

              SHA256

              65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3

              SHA512

              47f39be7df3838af555725acbe1ebb28068faa2b21aa626e6147c8a6003fe6f978a0b09e2cebf4d930103d9c154d2c913fae2f889132d23a28a5caaf385067fe

            • \??\c:\dir\install\install\server.exe

              Filesize

              344KB

              MD5

              70e0dbe4e282574c5497f3f80f30c960

              SHA1

              b42e47dc0167f6938cd6e94050465f43a66bd364

              SHA256

              65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3

              SHA512

              47f39be7df3838af555725acbe1ebb28068faa2b21aa626e6147c8a6003fe6f978a0b09e2cebf4d930103d9c154d2c913fae2f889132d23a28a5caaf385067fe

            • \dir\install\install\server.exe

              Filesize

              344KB

              MD5

              70e0dbe4e282574c5497f3f80f30c960

              SHA1

              b42e47dc0167f6938cd6e94050465f43a66bd364

              SHA256

              65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3

              SHA512

              47f39be7df3838af555725acbe1ebb28068faa2b21aa626e6147c8a6003fe6f978a0b09e2cebf4d930103d9c154d2c913fae2f889132d23a28a5caaf385067fe

            • \dir\install\install\server.exe

              Filesize

              344KB

              MD5

              70e0dbe4e282574c5497f3f80f30c960

              SHA1

              b42e47dc0167f6938cd6e94050465f43a66bd364

              SHA256

              65f1afed0643793af69acb6e01bdae029b77a5978f79bb52ee9660d778a31af3

              SHA512

              47f39be7df3838af555725acbe1ebb28068faa2b21aa626e6147c8a6003fe6f978a0b09e2cebf4d930103d9c154d2c913fae2f889132d23a28a5caaf385067fe

            • memory/960-72-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/960-100-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/960-71-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/960-65-0x0000000074B71000-0x0000000074B73000-memory.dmp

              Filesize

              8KB

            • memory/1208-60-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/1432-97-0x0000000005410000-0x0000000005467000-memory.dmp

              Filesize

              348KB

            • memory/1432-101-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1432-102-0x0000000005410000-0x0000000005467000-memory.dmp

              Filesize

              348KB

            • memory/1432-88-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1432-103-0x0000000005410000-0x0000000005467000-memory.dmp

              Filesize

              348KB

            • memory/1432-90-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1432-91-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1652-83-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1652-89-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1652-54-0x0000000075661000-0x0000000075663000-memory.dmp

              Filesize

              8KB

            • memory/1652-79-0x00000000002D0000-0x0000000000327000-memory.dmp

              Filesize

              348KB

            • memory/1652-76-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/1652-66-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1652-57-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/1652-55-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1964-98-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1964-99-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB