Analysis

  • max time kernel
    154s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 01:56

General

  • Target

    15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2.exe

  • Size

    360KB

  • MD5

    6025e55ca26c01da1ddcc0d26dd9c3a8

  • SHA1

    548b69f40d56b23262323e238bc3d264be2499dc

  • SHA256

    15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2

  • SHA512

    c79851f467bfb01bc16e5c9c466d73f6ce5fc64ee22286c049aa5f64f3137dae248727b28ae6b64d70deb2a3249bc6efe622b08fba003859caa2b7bfc33ba4d5

  • SSDEEP

    6144:ctaVIKUR11IAOuiBwal6l1HK86sxrW9gvC8pMA6zlG805tZIVKwzTvSuibEIXOLU:ckmDiBXM1Htb69gax2HtHgTvSF4IX8he

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

dansla.no-ip.org:80

dansla.no-ip.org:81

dansla.no-ip.org:83

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

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 2 IoCs
  • UPX packed file 14 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2.exe
    "C:\Users\Admin\AppData\Local\Temp\15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Users\Admin\AppData\Local\Temp\15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2.exe
      C:\Users\Admin\AppData\Local\Temp\15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2.exe
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:4432
        • C:\Users\Admin\AppData\Local\Temp\15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2.exe
          "C:\Users\Admin\AppData\Local\Temp\15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2.exe"
          3⤵
          • Checks computer location settings
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1440
          • C:\install\server.exe
            "C:\install\server.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of SetWindowsHookEx
            PID:4240
            • C:\install\server.exe
              C:\install\server.exe
              5⤵
              • Executes dropped EXE
              PID:1856
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 508
                6⤵
                • Program crash
                PID:3876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 1856 -ip 1856
      1⤵
        PID:2252

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              Filesize

              229KB

              MD5

              2af930e3b6300a7e89ec551951853ba8

              SHA1

              a2a1bf6dc739a1b3483b0ae353187354c452bd55

              SHA256

              a1d2036e5d1b3c2c509f4d43739878844bb2103331bdd710433bb8ca3d23e090

              SHA512

              490e0fe0baaf9b15e102321e4964d38cc35d07d911ed2fc1e96f555f8f16478799da4186b4ead1e8cbbdddef0bf43de9fb787f62d63cf0e5728b7020614913b6

            • C:\install\server.exe

              Filesize

              360KB

              MD5

              6025e55ca26c01da1ddcc0d26dd9c3a8

              SHA1

              548b69f40d56b23262323e238bc3d264be2499dc

              SHA256

              15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2

              SHA512

              c79851f467bfb01bc16e5c9c466d73f6ce5fc64ee22286c049aa5f64f3137dae248727b28ae6b64d70deb2a3249bc6efe622b08fba003859caa2b7bfc33ba4d5

            • C:\install\server.exe

              Filesize

              360KB

              MD5

              6025e55ca26c01da1ddcc0d26dd9c3a8

              SHA1

              548b69f40d56b23262323e238bc3d264be2499dc

              SHA256

              15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2

              SHA512

              c79851f467bfb01bc16e5c9c466d73f6ce5fc64ee22286c049aa5f64f3137dae248727b28ae6b64d70deb2a3249bc6efe622b08fba003859caa2b7bfc33ba4d5

            • C:\install\server.exe

              Filesize

              360KB

              MD5

              6025e55ca26c01da1ddcc0d26dd9c3a8

              SHA1

              548b69f40d56b23262323e238bc3d264be2499dc

              SHA256

              15c538e41dee23fcccca4ded334e4df760cdaf597d64ff90cdaa5b0b42ee74b2

              SHA512

              c79851f467bfb01bc16e5c9c466d73f6ce5fc64ee22286c049aa5f64f3137dae248727b28ae6b64d70deb2a3249bc6efe622b08fba003859caa2b7bfc33ba4d5

            • memory/1440-148-0x0000000000400000-0x0000000000469000-memory.dmp

              Filesize

              420KB

            • memory/1440-169-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1440-153-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1440-152-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1856-168-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1856-170-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1856-165-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1856-166-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/3624-143-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/3624-141-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/3624-154-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/3624-140-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/3624-138-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/3624-149-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/3624-136-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/4216-132-0x0000000000400000-0x0000000000469000-memory.dmp

              Filesize

              420KB

            • memory/4216-139-0x0000000000400000-0x0000000000469000-memory.dmp

              Filesize

              420KB

            • memory/4240-167-0x0000000000400000-0x0000000000469000-memory.dmp

              Filesize

              420KB