Analysis

  • max time kernel
    189s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 20:00

General

  • Target

    92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9.exe

  • Size

    360KB

  • MD5

    9a1ad5194df0da1982f163b4dd3d999f

  • SHA1

    5354c6766b48ad218956bc23bbf028046f0786d7

  • SHA256

    92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9

  • SHA512

    cb83ecc4add332ac192ccf19361d46c5a237843300c07e41958783c72ca8f308c7be908898840f5989282b1ea7e2ac426fdbd3c13d04d45dd3c5f5263cc170d7

  • SSDEEP

    6144:6FNU3Jb+R9mxXGvwP14QFM/lm5lsOS9cYOWAogUk15WZW6W1gQG2rV:6U3FOmx7ZM/k3x72AogU8S5WxR

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

OFFICE

C2

127.0.0.1:81

12345.no-ip.org:81

allien.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

    spynet

  • 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 2 IoCs
  • UPX packed file 18 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 4 IoCs
  • Drops file in System32 directory 5 IoCs
  • 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
  • Modifies registry class 1 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:600
      • C:\Users\Admin\AppData\Local\Temp\92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9.exe
        "C:\Users\Admin\AppData\Local\Temp\92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4684
        • C:\Users\Admin\AppData\Local\Temp\92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9.EXE
          "C:\Users\Admin\AppData\Local\Temp\92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9.EXE"
          3⤵
          • Adds policy Run key to start application
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4960
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
              PID:4852
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              4⤵
                PID:4208
              • C:\Users\Admin\AppData\Local\Temp\92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9.EXE
                "C:\Users\Admin\AppData\Local\Temp\92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9.EXE"
                4⤵
                • Checks computer location settings
                • Drops file in System32 directory
                • Modifies registry class
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                PID:2476
                • C:\Windows\SysWOW64\spynet\server.exe
                  "C:\Windows\system32\spynet\server.exe"
                  5⤵
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Suspicious use of SetWindowsHookEx
                  PID:1368
                  • C:\Windows\SysWOW64\spynet\server.EXE
                    "C:\Windows\SysWOW64\spynet\server.EXE"
                    6⤵
                    • Executes dropped EXE
                    PID:4888
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 572
                      7⤵
                      • Program crash
                      PID:2572
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4888 -ip 4888
          1⤵
            PID:2800

          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

            1162e6425fd6b969d3dd0802f6b7d364

            SHA1

            974fb55e5fbf39448b68911979e0c1eb2420547f

            SHA256

            11cbdf63190bebc6657e84899078b3cd7b80209d2f798decd67e4a96cfeb04e2

            SHA512

            9ab8b332a12180665dec3d02af8171672c1fd12814b73f7b633b8f78d9228aa68c22e6644aae9851ed30d3a597010d935a45dd618fb0e428fd54ccaa46919e7b

          • C:\Windows\SysWOW64\spynet\server.exe

            Filesize

            360KB

            MD5

            9a1ad5194df0da1982f163b4dd3d999f

            SHA1

            5354c6766b48ad218956bc23bbf028046f0786d7

            SHA256

            92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9

            SHA512

            cb83ecc4add332ac192ccf19361d46c5a237843300c07e41958783c72ca8f308c7be908898840f5989282b1ea7e2ac426fdbd3c13d04d45dd3c5f5263cc170d7

          • C:\Windows\SysWOW64\spynet\server.exe

            Filesize

            360KB

            MD5

            9a1ad5194df0da1982f163b4dd3d999f

            SHA1

            5354c6766b48ad218956bc23bbf028046f0786d7

            SHA256

            92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9

            SHA512

            cb83ecc4add332ac192ccf19361d46c5a237843300c07e41958783c72ca8f308c7be908898840f5989282b1ea7e2ac426fdbd3c13d04d45dd3c5f5263cc170d7

          • C:\Windows\SysWOW64\spynet\server.exe

            Filesize

            360KB

            MD5

            9a1ad5194df0da1982f163b4dd3d999f

            SHA1

            5354c6766b48ad218956bc23bbf028046f0786d7

            SHA256

            92f11928732ec183ecb46ea9e0e1b5abfe6062088189abc0a0068c76798733d9

            SHA512

            cb83ecc4add332ac192ccf19361d46c5a237843300c07e41958783c72ca8f308c7be908898840f5989282b1ea7e2ac426fdbd3c13d04d45dd3c5f5263cc170d7

          • memory/1368-177-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2476-161-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2476-165-0x0000000024160000-0x00000000241C2000-memory.dmp

            Filesize

            392KB

          • memory/2476-167-0x0000000024160000-0x00000000241C2000-memory.dmp

            Filesize

            392KB

          • memory/2476-181-0x0000000024160000-0x00000000241C2000-memory.dmp

            Filesize

            392KB

          • memory/4684-132-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/4684-138-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/4852-151-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/4852-152-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/4852-180-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/4888-178-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/4888-176-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/4888-179-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/4960-143-0x0000000024010000-0x0000000024072000-memory.dmp

            Filesize

            392KB

          • memory/4960-166-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/4960-162-0x0000000024160000-0x00000000241C2000-memory.dmp

            Filesize

            392KB

          • memory/4960-156-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/4960-148-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/4960-141-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/4960-140-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/4960-139-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/4960-136-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB