Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 08:16

General

  • Target

    86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba.exe

  • Size

    514KB

  • MD5

    31b32a4b9868e2872e08cbc5edc6f1f0

  • SHA1

    8b879e7d75a05b957a49740a302eec40d63630e3

  • SHA256

    86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba

  • SHA512

    f680e855961e791287472d78a6772e4725f1a2421182d0fd75ef546bff9b8082de446866515df7ca227da07e15fb5313070efea3a7d1a6173198b03905e01855

  • SSDEEP

    12288:nh6Bo7lyUDyiFBpbH7Xxu8XhE9wOqWBKh7Ho0LVdM:kBo7bFvz7hhqwOqDHvfM

Malware Config

Extracted

Family

cybergate

Version

v3.4.2.2

Botnet

Client

C2

ph4nt0mzz.zapto.org:999

Mutex

VKTWTS75QF741D

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    mstcfg

  • install_file

    mstcfg.exe

  • install_flag

    false

  • 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.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba.exe
    "C:\Users\Admin\AppData\Local\Temp\86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Windows\SysWOW64\cmd.exe
      /c net stop MpsSvc
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1104
      • C:\Windows\SysWOW64\net.exe
        net stop MpsSvc
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2156
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MpsSvc
          4⤵
            PID:3796
      • C:\Users\Admin\AppData\Local\Temp\86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba.exe
        C:\Users\Admin\AppData\Local\Temp\86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4744
        • C:\Users\Admin\AppData\Local\Temp\86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba.exe
          "C:\Users\Admin\AppData\Local\Temp\86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2084

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba.exe

            Filesize

            514KB

            MD5

            31b32a4b9868e2872e08cbc5edc6f1f0

            SHA1

            8b879e7d75a05b957a49740a302eec40d63630e3

            SHA256

            86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba

            SHA512

            f680e855961e791287472d78a6772e4725f1a2421182d0fd75ef546bff9b8082de446866515df7ca227da07e15fb5313070efea3a7d1a6173198b03905e01855

          • C:\Users\Admin\AppData\Local\Temp\86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba.exe

            Filesize

            514KB

            MD5

            31b32a4b9868e2872e08cbc5edc6f1f0

            SHA1

            8b879e7d75a05b957a49740a302eec40d63630e3

            SHA256

            86661c3207cf787d710602a9067d464b271b3e858946c1eab311d0eae74d5aba

            SHA512

            f680e855961e791287472d78a6772e4725f1a2421182d0fd75ef546bff9b8082de446866515df7ca227da07e15fb5313070efea3a7d1a6173198b03905e01855

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

            Filesize

            385KB

            MD5

            743c17705fb79d86efd6ded5a57e7dbb

            SHA1

            ed2255f22083b33dad301a05bc3f36d756acc18d

            SHA256

            0108efd7ecd7685fc99fa32b8abbb02bcd89815df6fb973187489cb67d2590f1

            SHA512

            d9d92078ffb30559fbc3142bfee9b5944d2181441e651b2c0a7d17187d46fbe4998f86cab0874ffaeb8903fde94de9deb92d16111437f8d1ab7ce832951445af

          • memory/2084-152-0x0000000010410000-0x0000000010480000-memory.dmp

            Filesize

            448KB

          • memory/2084-149-0x0000000010410000-0x0000000010480000-memory.dmp

            Filesize

            448KB

          • memory/2084-148-0x0000000010410000-0x0000000010480000-memory.dmp

            Filesize

            448KB

          • memory/2404-138-0x0000000000520000-0x0000000000524000-memory.dmp

            Filesize

            16KB

          • memory/4744-137-0x0000000000400000-0x0000000000471000-memory.dmp

            Filesize

            452KB

          • memory/4744-145-0x0000000010410000-0x0000000010480000-memory.dmp

            Filesize

            448KB

          • memory/4744-141-0x0000000000400000-0x0000000000471000-memory.dmp

            Filesize

            452KB

          • memory/4744-134-0x0000000000400000-0x0000000000471000-memory.dmp

            Filesize

            452KB

          • memory/4744-136-0x0000000000400000-0x0000000000471000-memory.dmp

            Filesize

            452KB

          • memory/4744-151-0x0000000000400000-0x0000000000471000-memory.dmp

            Filesize

            452KB