Analysis

  • max time kernel
    151s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 22:03

General

  • Target

    c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d.exe

  • Size

    334KB

  • MD5

    9f2f7476b19162efeb42cac9ef2889e4

  • SHA1

    3956de2ac05f277a0281e4139d1512e7f1530f78

  • SHA256

    c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d

  • SHA512

    4c1a10f2883ede1df88d34b60613b27a889df7479179cfca17e2f5fead2a97e87505fba037f21d8d4e023d4ca5b0dce6198ddf1187b4068caaec519f13e193bb

  • SSDEEP

    6144:r/feJ2ORBAdHuSSDpmFA6GCmjTEXxF0PjoreNVF9FnV36H:r/febUOSccV4CP0bMUH9FS

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

3

C2

127.0.0.1:80

whybifi.zapto.org:80

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    rundll

  • install_file

    rundll32.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hkcu

    rundll32

  • regkey_hklm

    rundll

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 4 IoCs
  • UPX packed file 10 IoCs

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

  • Loads dropped DLL 3 IoCs
  • 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.

  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1272
      • C:\Users\Admin\AppData\Local\Temp\c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d.exe
        "C:\Users\Admin\AppData\Local\Temp\c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1408
        • C:\Users\Admin\AppData\Local\Temp\c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d.exe
          C:\Users\Admin\AppData\Local\Temp\c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d.exe
          3⤵
          • 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:844
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:964
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:576
            • C:\Users\Admin\AppData\Local\Temp\c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d.exe
              "C:\Users\Admin\AppData\Local\Temp\c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1572
              • C:\Windows\SysWOW64\rundll\rundll32.exe
                "C:\Windows\system32\rundll\rundll32.exe"
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:1608
                • C:\Windows\SysWOW64\rundll\rundll32.exe
                  C:\Windows\SysWOW64\rundll\rundll32.exe
                  6⤵
                  • Executes dropped EXE
                  PID:1476

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        229KB

        MD5

        c62724ec75057c2dcdde16175eef1537

        SHA1

        88e265a1db994a4996764bd89cb220ec7e6ab3fe

        SHA256

        b8af833f254b5b0426145cb26290f2b6ed6538836601437c9cb6cc70c54bfdfd

        SHA512

        780090092570a5ac034b69fc7431f8812a283f843e0958a2bb9b2b88f06fec21c20df822ec644901178f5fc5aabcc624ecc87a5a4598f85970a58d09fcebac7d

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-999675638-2867687379-27515722-1000\699c4b9cdebca7aaea5193cae8a50098_4d2ef0d5-1240-4a07-93d0-06481c31e0ad
        Filesize

        50B

        MD5

        5b63d4dd8c04c88c0e30e494ec6a609a

        SHA1

        884d5a8bdc25fe794dc22ef9518009dcf0069d09

        SHA256

        4d93c22555b3169e5c13716ca59b8b22892c69b3025aea841afe5259698102fd

        SHA512

        15ff8551ac6b9de978050569bcdc26f44dfc06a0eaf445ac70fd45453a21bdafa3e4c8b4857d6a1c3226f4102a639682bdfb71d7b255062fb81a51c9126896cb

      • C:\Windows\SysWOW64\rundll\rundll32.exe
        Filesize

        334KB

        MD5

        9f2f7476b19162efeb42cac9ef2889e4

        SHA1

        3956de2ac05f277a0281e4139d1512e7f1530f78

        SHA256

        c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d

        SHA512

        4c1a10f2883ede1df88d34b60613b27a889df7479179cfca17e2f5fead2a97e87505fba037f21d8d4e023d4ca5b0dce6198ddf1187b4068caaec519f13e193bb

      • C:\Windows\SysWOW64\rundll\rundll32.exe
        Filesize

        334KB

        MD5

        9f2f7476b19162efeb42cac9ef2889e4

        SHA1

        3956de2ac05f277a0281e4139d1512e7f1530f78

        SHA256

        c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d

        SHA512

        4c1a10f2883ede1df88d34b60613b27a889df7479179cfca17e2f5fead2a97e87505fba037f21d8d4e023d4ca5b0dce6198ddf1187b4068caaec519f13e193bb

      • C:\Windows\SysWOW64\rundll\rundll32.exe
        Filesize

        334KB

        MD5

        9f2f7476b19162efeb42cac9ef2889e4

        SHA1

        3956de2ac05f277a0281e4139d1512e7f1530f78

        SHA256

        c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d

        SHA512

        4c1a10f2883ede1df88d34b60613b27a889df7479179cfca17e2f5fead2a97e87505fba037f21d8d4e023d4ca5b0dce6198ddf1187b4068caaec519f13e193bb

      • \Windows\SysWOW64\rundll\rundll32.exe
        Filesize

        334KB

        MD5

        9f2f7476b19162efeb42cac9ef2889e4

        SHA1

        3956de2ac05f277a0281e4139d1512e7f1530f78

        SHA256

        c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d

        SHA512

        4c1a10f2883ede1df88d34b60613b27a889df7479179cfca17e2f5fead2a97e87505fba037f21d8d4e023d4ca5b0dce6198ddf1187b4068caaec519f13e193bb

      • \Windows\SysWOW64\rundll\rundll32.exe
        Filesize

        334KB

        MD5

        9f2f7476b19162efeb42cac9ef2889e4

        SHA1

        3956de2ac05f277a0281e4139d1512e7f1530f78

        SHA256

        c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d

        SHA512

        4c1a10f2883ede1df88d34b60613b27a889df7479179cfca17e2f5fead2a97e87505fba037f21d8d4e023d4ca5b0dce6198ddf1187b4068caaec519f13e193bb

      • \Windows\SysWOW64\rundll\rundll32.exe
        Filesize

        334KB

        MD5

        9f2f7476b19162efeb42cac9ef2889e4

        SHA1

        3956de2ac05f277a0281e4139d1512e7f1530f78

        SHA256

        c25ed9b00e6df8695436560307f13e58e1d26d41dbe13670a8a5bf2ede7e637d

        SHA512

        4c1a10f2883ede1df88d34b60613b27a889df7479179cfca17e2f5fead2a97e87505fba037f21d8d4e023d4ca5b0dce6198ddf1187b4068caaec519f13e193bb

      • memory/844-74-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-58-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-65-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-69-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-98-0x0000000000220000-0x0000000000256000-memory.dmp
        Filesize

        216KB

      • memory/844-64-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-72-0x00000000750A1000-0x00000000750A3000-memory.dmp
        Filesize

        8KB

      • memory/844-73-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-67-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-68-0x000000000040BBF4-mapping.dmp
      • memory/844-62-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-63-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-61-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-85-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/844-109-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-103-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/844-93-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/844-59-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/844-76-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/964-91-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/964-82-0x0000000000000000-mapping.dmp
      • memory/964-90-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/964-111-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/964-84-0x00000000746D1000-0x00000000746D3000-memory.dmp
        Filesize

        8KB

      • memory/1272-79-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/1408-56-0x0000000000020000-0x0000000000023000-memory.dmp
        Filesize

        12KB

      • memory/1408-55-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/1408-70-0x00000000003B0000-0x00000000003E6000-memory.dmp
        Filesize

        216KB

      • memory/1408-71-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/1476-133-0x000000000040BBF4-mapping.dmp
      • memory/1476-138-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/1476-143-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/1476-141-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/1476-140-0x0000000000400000-0x000000000044E000-memory.dmp
        Filesize

        312KB

      • memory/1572-110-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1572-99-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/1572-97-0x0000000000000000-mapping.dmp
      • memory/1572-108-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1572-118-0x0000000005190000-0x00000000051C6000-memory.dmp
        Filesize

        216KB

      • memory/1572-142-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1572-117-0x0000000005190000-0x00000000051C6000-memory.dmp
        Filesize

        216KB

      • memory/1608-136-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/1608-114-0x0000000000000000-mapping.dmp