Analysis

  • max time kernel
    163s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 19:16

General

  • Target
    e374b59bc181661dd8db34098cff079f075abd6974a245d21602f0a8b171dfb7.exe
  • Size 404KB
  • Sample221029-xy148sbef2
  • SHA256 e374b59bc181661dd8db34098cff079f075abd6974a245d21602f0a8b171dfb7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • v1.07.5

Botnet
  • Crypted3

C2
  • 92.241.190.223:1666

  • 92.241.190.223:1667

  • 92.241.190.223:1800

Mutex
  • 5E2E41GVLCT5BX

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Firefox

  • install_file

    ff.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    test

  • 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
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 8 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2416
      • C:\Users\Admin\AppData\Local\Temp\e374b59bc181661dd8db34098cff079f075abd6974a245d21602f0a8b171dfb7.exe
        "C:\Users\Admin\AppData\Local\Temp\e374b59bc181661dd8db34098cff079f075abd6974a245d21602f0a8b171dfb7.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4568
        • C:\Users\Admin\AppData\Local\Temp\e374b59bc181661dd8db34098cff079f075abd6974a245d21602f0a8b171dfb7.exe
          "C:\Users\Admin\AppData\Local\Temp\e374b59bc181661dd8db34098cff079f075abd6974a245d21602f0a8b171dfb7.exe"
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4692
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:2244
            • C:\Program Files (x86)\Firefox\ff.exe
              "C:\Program Files (x86)\Firefox\ff.exe"
              5⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2516
              • C:\Program Files (x86)\Firefox\ff.exe
                "C:\Program Files (x86)\Firefox\ff.exe"
                6⤵
                • Executes dropped EXE
                PID:2668
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 552
                  7⤵
                  • Program crash
                  PID:4948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2668 -ip 2668
      1⤵
        PID:4372

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            ff.exe

            • Path C:\Program Files (x86)\Firefox\ff.exe
            • Size 404KB
            • SHA256 e374b59bc181661dd8db34098cff079f075abd6974a245d21602f0a8b171dfb7
            • MD5 SHA1 SHA512 SSDEEP

            ff.exe

            • Path C:\Program Files (x86)\Firefox\ff.exe
            • Size 404KB
            • SHA256 e374b59bc181661dd8db34098cff079f075abd6974a245d21602f0a8b171dfb7
            • MD5 SHA1 SHA512 SSDEEP

            ff.exe

            • Path C:\Program Files (x86)\Firefox\ff.exe
            • Size 404KB
            • SHA256 e374b59bc181661dd8db34098cff079f075abd6974a245d21602f0a8b171dfb7
            • MD5 SHA1 SHA512 SSDEEP

            Admin2.txt

            • Path C:\Users\Admin\AppData\Local\Temp\Admin2.txt
            • Size 225KB
            • SHA256 b30e6e545a8eac0250a3cfa56784bff8f87eb9f46d03564950202e586197e5e6
            • MD5 SHA1 SHA512 SSDEEP

            memory/2244-164-0x0000000010480000-0x00000000104E5000-memory.dmp

            memory/2244-160-0x0000000010480000-0x00000000104E5000-memory.dmp

            memory/2244-148-0x0000000010480000-0x00000000104E5000-memory.dmp

            memory/2516-158-0x0000000073220000-0x00000000737D1000-memory.dmp

            memory/2516-161-0x0000000073220000-0x00000000737D1000-memory.dmp

            memory/2668-163-0x0000000000400000-0x000000000044F000-memory.dmp

            memory/2668-162-0x0000000000400000-0x000000000044F000-memory.dmp

            memory/2668-159-0x0000000000400000-0x000000000044F000-memory.dmp

            memory/4568-132-0x00000000752E0000-0x0000000075891000-memory.dmp

            memory/4568-136-0x00000000752E0000-0x0000000075891000-memory.dmp

            memory/4692-137-0x0000000000400000-0x000000000044F000-memory.dmp

            memory/4692-135-0x0000000000400000-0x000000000044F000-memory.dmp

            memory/4692-145-0x0000000010480000-0x00000000104E5000-memory.dmp

            memory/4692-134-0x0000000000400000-0x000000000044F000-memory.dmp

            memory/4692-138-0x0000000000400000-0x000000000044F000-memory.dmp

            memory/4692-140-0x0000000010410000-0x0000000010475000-memory.dmp

            memory/4692-149-0x0000000000400000-0x000000000044F000-memory.dmp