Analysis

  • max time kernel
    189s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 22:31

General

  • Target

    37a18f6f45c93638b1133e05a185b01e35ca76d07a11cb54ad0338b84a0c27e7.exe

  • Size

    524KB

  • MD5

    66266d0adc85b7823a21b9046353ea9e

  • SHA1

    7ee822fac4b4197277d69e3c76553cbfe6eeffca

  • SHA256

    37a18f6f45c93638b1133e05a185b01e35ca76d07a11cb54ad0338b84a0c27e7

  • SHA512

    bc4dfe5d83ba896ab476634cc4c52fae9f75877b266ac8f18f760d5685d5a5a71bcb883f703db35d5bae5ffe0033ea688ee82aed2d7e3d613eefe89dd9aa504e

  • SSDEEP

    12288:KrxFQyg/z+5VCQQQ0NDQft5lSAj14380wXotm:KrxWyg/RCfj14M0wXim

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

hacker

C2

bykabus.no-ip.biz:15963

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

    svchost.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
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • 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:2152
      • C:\Users\Admin\AppData\Local\Temp\37a18f6f45c93638b1133e05a185b01e35ca76d07a11cb54ad0338b84a0c27e7.exe
        "C:\Users\Admin\AppData\Local\Temp\37a18f6f45c93638b1133e05a185b01e35ca76d07a11cb54ad0338b84a0c27e7.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4892
        • C:\Users\Admin\AppData\Local\Temp\37a18f6f45c93638b1133e05a185b01e35ca76d07a11cb54ad0338b84a0c27e7.exe
          C:\Users\Admin\AppData\Local\Temp\37a18f6f45c93638b1133e05a185b01e35ca76d07a11cb54ad0338b84a0c27e7.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:4908
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4704
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1284
            • C:\Windows\SysWOW64\install\svchost.exe
              "C:\Windows\system32\install\svchost.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              PID:1884
              • C:\Windows\SysWOW64\install\svchost.exe
                C:\Windows\SysWOW64\install\svchost.exe
                6⤵
                • Executes dropped EXE
                PID:632
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 568
                  7⤵
                  • Program crash
                  PID:3588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 632 -ip 632
      1⤵
        PID:4292

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        229KB

        MD5

        9cdf4f4a7a90bb416d4e61671cd408bb

        SHA1

        6a47598181018e3a4f5b35585223219bb6fc65c4

        SHA256

        4c541129524306c6366b0c1e2bae1aa1fde1876a9bacb29ffda79c835752102c

        SHA512

        27b5c58b4ec646df4b9bff0ebb6449240c0107ec78d428ca6121752064027542b8154b59fd829a919132424278f1aa4334b9ed6885f7736a78206ee37a6aa021

      • C:\Windows\SysWOW64\install\svchost.exe
        Filesize

        524KB

        MD5

        66266d0adc85b7823a21b9046353ea9e

        SHA1

        7ee822fac4b4197277d69e3c76553cbfe6eeffca

        SHA256

        37a18f6f45c93638b1133e05a185b01e35ca76d07a11cb54ad0338b84a0c27e7

        SHA512

        bc4dfe5d83ba896ab476634cc4c52fae9f75877b266ac8f18f760d5685d5a5a71bcb883f703db35d5bae5ffe0033ea688ee82aed2d7e3d613eefe89dd9aa504e

      • C:\Windows\SysWOW64\install\svchost.exe
        Filesize

        524KB

        MD5

        66266d0adc85b7823a21b9046353ea9e

        SHA1

        7ee822fac4b4197277d69e3c76553cbfe6eeffca

        SHA256

        37a18f6f45c93638b1133e05a185b01e35ca76d07a11cb54ad0338b84a0c27e7

        SHA512

        bc4dfe5d83ba896ab476634cc4c52fae9f75877b266ac8f18f760d5685d5a5a71bcb883f703db35d5bae5ffe0033ea688ee82aed2d7e3d613eefe89dd9aa504e

      • C:\Windows\SysWOW64\install\svchost.exe
        Filesize

        524KB

        MD5

        66266d0adc85b7823a21b9046353ea9e

        SHA1

        7ee822fac4b4197277d69e3c76553cbfe6eeffca

        SHA256

        37a18f6f45c93638b1133e05a185b01e35ca76d07a11cb54ad0338b84a0c27e7

        SHA512

        bc4dfe5d83ba896ab476634cc4c52fae9f75877b266ac8f18f760d5685d5a5a71bcb883f703db35d5bae5ffe0033ea688ee82aed2d7e3d613eefe89dd9aa504e

      • memory/632-172-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/632-168-0x0000000000000000-mapping.dmp
      • memory/632-173-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/632-174-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/1284-156-0x0000000000000000-mapping.dmp
      • memory/1284-163-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/1284-162-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/1284-160-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/1884-164-0x0000000000000000-mapping.dmp
      • memory/4704-145-0x0000000000000000-mapping.dmp
      • memory/4704-150-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4704-154-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4908-146-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4908-161-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4908-153-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4908-147-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4908-157-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/4908-134-0x0000000000000000-mapping.dmp
      • memory/4908-141-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/4908-139-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4908-138-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4908-137-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4908-135-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB