Analysis

  • max time kernel
    153s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2022, 13:38

General

  • Target

    bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93.exe

  • Size

    660KB

  • MD5

    1df3005a5543d8145ee53a07853ffd5b

  • SHA1

    4ec188beec5185ac25fff47a2b3c5e6d69edfc4c

  • SHA256

    bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93

  • SHA512

    cce0008dda7e401f4b6f176e832389ab23a0fc256762ae6db328ed5e963e97c58416a0c57d8ac1deb24cfa448364141e564b6fdc94fc62ae915cc898aa75d710

  • SSDEEP

    6144:lIOtD+xn/fVVC4xDrDOo2iOJ0xUL2wcVVypGhrToXpGINCRqXupAIVW2dRs8H9P:yO6fCYDzm2wcVMpG122k68CRs

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

dxfocus.dyndns.biz:81

127.0.0.1:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    svchost.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 20 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 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 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:1400
      • C:\Users\Admin\AppData\Local\Temp\bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93.exe
        "C:\Users\Admin\AppData\Local\Temp\bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1816
        • C:\Users\Admin\AppData\Local\Temp\bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93.exe
          C:\Users\Admin\AppData\Local\Temp\bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93.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:832
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:1988
          • C:\Users\Admin\AppData\Local\Temp\bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93.exe
            "C:\Users\Admin\AppData\Local\Temp\bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93.exe"
            4⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1092
            • 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:1120
              • C:\Windows\SysWOW64\install\svchost.exe
                C:\Windows\SysWOW64\install\svchost.exe
                6⤵
                • Executes dropped EXE
                PID:2008

    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

            49c4c38fd54a7e6c1b1deec6c3400d6b

            SHA1

            a011433384d072606c5eefa10fc2451144dd6370

            SHA256

            187cce994810f7d624b3b0b3d79fe3c3c8403cc8e41f5389d64735408eaa8ef9

            SHA512

            e88b72bed86e46f5a2ecde581eae313681850b8c34bda63ca0b823f8e41a4a05480517bbe366556f3c5081420a1d568924ca081fef1239b7330faf1d3dc5552c

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

            Filesize

            660KB

            MD5

            1df3005a5543d8145ee53a07853ffd5b

            SHA1

            4ec188beec5185ac25fff47a2b3c5e6d69edfc4c

            SHA256

            bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93

            SHA512

            cce0008dda7e401f4b6f176e832389ab23a0fc256762ae6db328ed5e963e97c58416a0c57d8ac1deb24cfa448364141e564b6fdc94fc62ae915cc898aa75d710

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

            Filesize

            660KB

            MD5

            1df3005a5543d8145ee53a07853ffd5b

            SHA1

            4ec188beec5185ac25fff47a2b3c5e6d69edfc4c

            SHA256

            bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93

            SHA512

            cce0008dda7e401f4b6f176e832389ab23a0fc256762ae6db328ed5e963e97c58416a0c57d8ac1deb24cfa448364141e564b6fdc94fc62ae915cc898aa75d710

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

            Filesize

            660KB

            MD5

            1df3005a5543d8145ee53a07853ffd5b

            SHA1

            4ec188beec5185ac25fff47a2b3c5e6d69edfc4c

            SHA256

            bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93

            SHA512

            cce0008dda7e401f4b6f176e832389ab23a0fc256762ae6db328ed5e963e97c58416a0c57d8ac1deb24cfa448364141e564b6fdc94fc62ae915cc898aa75d710

          • \Windows\SysWOW64\install\svchost.exe

            Filesize

            660KB

            MD5

            1df3005a5543d8145ee53a07853ffd5b

            SHA1

            4ec188beec5185ac25fff47a2b3c5e6d69edfc4c

            SHA256

            bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93

            SHA512

            cce0008dda7e401f4b6f176e832389ab23a0fc256762ae6db328ed5e963e97c58416a0c57d8ac1deb24cfa448364141e564b6fdc94fc62ae915cc898aa75d710

          • \Windows\SysWOW64\install\svchost.exe

            Filesize

            660KB

            MD5

            1df3005a5543d8145ee53a07853ffd5b

            SHA1

            4ec188beec5185ac25fff47a2b3c5e6d69edfc4c

            SHA256

            bc6373ddf8596b2e08de92032668a25b25e5d506e71b97c605aef0218e979a93

            SHA512

            cce0008dda7e401f4b6f176e832389ab23a0fc256762ae6db328ed5e963e97c58416a0c57d8ac1deb24cfa448364141e564b6fdc94fc62ae915cc898aa75d710

          • memory/832-66-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/832-77-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/832-87-0x0000000000460000-0x00000000004C2000-memory.dmp

            Filesize

            392KB

          • memory/832-68-0x0000000024010000-0x0000000024072000-memory.dmp

            Filesize

            392KB

          • memory/832-57-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/832-63-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

            Filesize

            8KB

          • memory/832-64-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/832-65-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/832-59-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/832-60-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/832-56-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/832-93-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/832-99-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/1092-98-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/1092-120-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/1092-100-0x00000000240F0000-0x0000000024152000-memory.dmp

            Filesize

            392KB

          • memory/1400-71-0x0000000024010000-0x0000000024072000-memory.dmp

            Filesize

            392KB

          • memory/1988-85-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/1988-76-0x0000000075041000-0x0000000075043000-memory.dmp

            Filesize

            8KB

          • memory/1988-82-0x0000000024080000-0x00000000240E2000-memory.dmp

            Filesize

            392KB

          • memory/2008-116-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2008-117-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2008-118-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB

          • memory/2008-119-0x0000000000400000-0x0000000000457000-memory.dmp

            Filesize

            348KB