Analysis

  • max time kernel
    191s
  • max time network
    208s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:35

General

  • Target

    99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d.exe

  • Size

    388KB

  • MD5

    1d9935c587ccc59fa5c783dcc99b604c

  • SHA1

    45413b023728eaac67ec4396dd844dd3c6e61271

  • SHA256

    99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d

  • SHA512

    b3e11fc5e11a74f3294a86de504d3b2cd6eb2408470f2570213254319afc2caa863729ff2b783a0be7cac13d514c37b437e1a12ae1cf18af6388b0fa625b1da8

  • SSDEEP

    6144:KiQmnWUxrKGJQ/vnx5Wtp8uffzRUNyE60lUIJp7v8z93VH3dHrRvVBk7:dFDxKQmAmuDRUNyE6CFTv8z93VBG7

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

hero00.zapto.org:81

hero00.zapto.org:82

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
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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:772
      • C:\Users\Admin\AppData\Local\Temp\99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d.exe
        "C:\Users\Admin\AppData\Local\Temp\99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:5076
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          PID:4288
          • C:\Users\Admin\AppData\Local\Temp\99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d.exe
            "C:\Users\Admin\AppData\Local\Temp\99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d.exe"
            4⤵
              PID:3112
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 576
                5⤵
                • Program crash
                PID:4940
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            3⤵
              PID:4456
            • C:\Users\Admin\AppData\Local\Temp\99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d.exe
              "C:\Users\Admin\AppData\Local\Temp\99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d.exe"
              3⤵
              • Checks computer location settings
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1652
              • C:\Users\Admin\AppData\Local\Temp\99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d.exe
                "C:\Users\Admin\AppData\Local\Temp\99c778a30bdeff9d4a10c12bba27531393bec20b834a6d8c8afae705e4a82a1d.exe"
                4⤵
                  PID:1804
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 568
                    5⤵
                    • Program crash
                    PID:1152
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3112 -ip 3112
            1⤵
              PID:840
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1804 -ip 1804
              1⤵
                PID:4480

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

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

                Filesize

                230KB

                MD5

                53e5bdac106c4e2303113261b05bf4ab

                SHA1

                f4bec2b951aac681a34aad9b6ae794e8015ff58f

                SHA256

                8ecb95085fd4d11688018a5fdbc75364eca22de20c11e2346b170b44b14e0421

                SHA512

                91f18ba9cb21832d1795932c34417847ddb84e206048134921ce84155e0c9ea038ccde5a9e47f21f92fbe4fdc8e16f72639a19c34ba07568a77b8a6efc9928ac

              • memory/1652-170-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1652-161-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1652-158-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1652-154-0x0000000000000000-mapping.dmp

              • memory/1804-169-0x0000000001FA0000-0x0000000001FD9000-memory.dmp

                Filesize

                228KB

              • memory/1804-168-0x0000000000400000-0x0000000000461000-memory.dmp

                Filesize

                388KB

              • memory/1804-164-0x0000000000000000-mapping.dmp

              • memory/3112-162-0x0000000000000000-mapping.dmp

              • memory/3112-163-0x0000000000400000-0x0000000000461000-memory.dmp

                Filesize

                388KB

              • memory/3112-167-0x00000000005F0000-0x0000000000629000-memory.dmp

                Filesize

                228KB

              • memory/3112-166-0x0000000000400000-0x0000000000461000-memory.dmp

                Filesize

                388KB

              • memory/4288-148-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/4288-146-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/4288-142-0x0000000000000000-mapping.dmp

              • memory/5076-155-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/5076-160-0x00000000021F0000-0x0000000002229000-memory.dmp

                Filesize

                228KB

              • memory/5076-138-0x0000000024010000-0x0000000024072000-memory.dmp

                Filesize

                392KB

              • memory/5076-132-0x0000000000400000-0x0000000000461000-memory.dmp

                Filesize

                388KB

              • memory/5076-159-0x0000000000400000-0x0000000000461000-memory.dmp

                Filesize

                388KB

              • memory/5076-136-0x0000000000400000-0x0000000000461000-memory.dmp

                Filesize

                388KB

              • memory/5076-143-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/5076-150-0x00000000240F0000-0x0000000024152000-memory.dmp

                Filesize

                392KB

              • memory/5076-135-0x00000000021F0000-0x0000000002229000-memory.dmp

                Filesize

                228KB

              • memory/5076-134-0x00000000005C0000-0x00000000005C4000-memory.dmp

                Filesize

                16KB

              • memory/5076-133-0x0000000000400000-0x0000000000461000-memory.dmp

                Filesize

                388KB