Analysis

  • max time kernel
    165s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    04-06-2022 04:05

General

  • Target

    1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e.exe

  • Size

    370KB

  • MD5

    992a3e8dfdf146afe78c55df2413fec3

  • SHA1

    c8998ba4b7bd11eddd1d399196678f53b6f3da66

  • SHA256

    1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e

  • SHA512

    214e2a5b323be28011dc1fbd575fa11534e28a15e08028d4280486c3ef746a3dcd837107ddb7dc380f7ade8dda00aa19b7412e6fbadc6c78a93d5a3b9a725e80

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

hack

C2

hoocking.no-ip.org:5000

Mutex

windowss

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    chrome.exe

  • install_dir

    windowslogon

  • install_file

    winlogon32.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    no es una aplicación Win32 válida.

  • message_box_title

    error 0x00C1 %1

  • password

    123asd

  • regkey_hkcu

    HKC

  • regkey_hklm

    HKL

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 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 9 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
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 2 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 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2528
      • C:\Users\Admin\AppData\Local\Temp\1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e.exe
        "C:\Users\Admin\AppData\Local\Temp\1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3472
        • C:\Users\Admin\AppData\Local\Temp\1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e.exe
          C:\Users\Admin\AppData\Local\Temp\1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1468
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:1876
            • C:\Windows\windowslogon\winlogon32.exe
              "C:\Windows\windowslogon\winlogon32.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Drops file in Windows directory
              • Suspicious use of SetWindowsHookEx
              PID:2032
              • C:\Windows\windowslogon\winlogon32.exe
                C:\Windows\windowslogon\winlogon32.exe
                6⤵
                • Executes dropped EXE
                PID:3852
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 532
                  7⤵
                  • Program crash
                  PID:3976
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:3844
            • C:\Users\Admin\AppData\Local\Temp\1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e.exe
              "C:\Users\Admin\AppData\Local\Temp\1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Windows directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:4004
              • C:\Windows\windowslogon\winlogon32.exe
                "C:\Windows\windowslogon\winlogon32.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Drops file in Windows directory
                • Suspicious use of SetWindowsHookEx
                PID:3724
                • C:\Windows\windowslogon\winlogon32.exe
                  C:\Windows\windowslogon\winlogon32.exe
                  6⤵
                  • Executes dropped EXE
                  PID:716
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 532
                    7⤵
                    • Program crash
                    PID:612
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3852 -ip 3852
        1⤵
          PID:4272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 716 -ip 716
          1⤵
            PID:2300

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Registry Run Keys / Startup Folder

          3
          T1060

          Defense Evasion

          Modify Registry

          3
          T1112

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            229KB

            MD5

            36e5ae86d6d2866649cf72321121bd89

            SHA1

            75ad2dd77c82d1620821ad3c890e0aaaff7440d4

            SHA256

            b5ca823fbcee0f653b24f8c3037357f40f3f9bcc74b7adabd6128f9551a87b1f

            SHA512

            824663cd32a6066f614fc249ee43d6fb3f9fd8cf5e583c7dc8870ac41f3512e09b77e89b559d7d517034d794fcef7f5c3e134e9903daedda809a023cb2919ff4

          • C:\Windows\windowslogon\winlogon32.exe
            Filesize

            370KB

            MD5

            992a3e8dfdf146afe78c55df2413fec3

            SHA1

            c8998ba4b7bd11eddd1d399196678f53b6f3da66

            SHA256

            1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e

            SHA512

            214e2a5b323be28011dc1fbd575fa11534e28a15e08028d4280486c3ef746a3dcd837107ddb7dc380f7ade8dda00aa19b7412e6fbadc6c78a93d5a3b9a725e80

          • C:\Windows\windowslogon\winlogon32.exe
            Filesize

            370KB

            MD5

            992a3e8dfdf146afe78c55df2413fec3

            SHA1

            c8998ba4b7bd11eddd1d399196678f53b6f3da66

            SHA256

            1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e

            SHA512

            214e2a5b323be28011dc1fbd575fa11534e28a15e08028d4280486c3ef746a3dcd837107ddb7dc380f7ade8dda00aa19b7412e6fbadc6c78a93d5a3b9a725e80

          • C:\Windows\windowslogon\winlogon32.exe
            Filesize

            370KB

            MD5

            992a3e8dfdf146afe78c55df2413fec3

            SHA1

            c8998ba4b7bd11eddd1d399196678f53b6f3da66

            SHA256

            1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e

            SHA512

            214e2a5b323be28011dc1fbd575fa11534e28a15e08028d4280486c3ef746a3dcd837107ddb7dc380f7ade8dda00aa19b7412e6fbadc6c78a93d5a3b9a725e80

          • C:\Windows\windowslogon\winlogon32.exe
            Filesize

            370KB

            MD5

            992a3e8dfdf146afe78c55df2413fec3

            SHA1

            c8998ba4b7bd11eddd1d399196678f53b6f3da66

            SHA256

            1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e

            SHA512

            214e2a5b323be28011dc1fbd575fa11534e28a15e08028d4280486c3ef746a3dcd837107ddb7dc380f7ade8dda00aa19b7412e6fbadc6c78a93d5a3b9a725e80

          • C:\Windows\windowslogon\winlogon32.exe
            Filesize

            370KB

            MD5

            992a3e8dfdf146afe78c55df2413fec3

            SHA1

            c8998ba4b7bd11eddd1d399196678f53b6f3da66

            SHA256

            1174a2abb76d839b62685bb1b1479ac37ba042c13046a1e0793ff3f679b7344e

            SHA512

            214e2a5b323be28011dc1fbd575fa11534e28a15e08028d4280486c3ef746a3dcd837107ddb7dc380f7ade8dda00aa19b7412e6fbadc6c78a93d5a3b9a725e80

          • memory/716-181-0x0000000000400000-0x0000000000450000-memory.dmp
            Filesize

            320KB

          • memory/716-176-0x0000000000000000-mapping.dmp
          • memory/1468-143-0x0000000024080000-0x00000000240E2000-memory.dmp
            Filesize

            392KB

          • memory/1468-138-0x0000000024010000-0x0000000024072000-memory.dmp
            Filesize

            392KB

          • memory/1468-132-0x0000000000000000-mapping.dmp
          • memory/1468-133-0x0000000000400000-0x0000000000450000-memory.dmp
            Filesize

            320KB

          • memory/1468-151-0x00000000240F0000-0x0000000024152000-memory.dmp
            Filesize

            392KB

          • memory/1468-134-0x0000000000400000-0x0000000000450000-memory.dmp
            Filesize

            320KB

          • memory/1468-156-0x0000000024160000-0x00000000241C2000-memory.dmp
            Filesize

            392KB

          • memory/1468-135-0x0000000000400000-0x0000000000450000-memory.dmp
            Filesize

            320KB

          • memory/1468-160-0x0000000000400000-0x0000000000450000-memory.dmp
            Filesize

            320KB

          • memory/1468-136-0x0000000000400000-0x0000000000450000-memory.dmp
            Filesize

            320KB

          • memory/1876-142-0x0000000000000000-mapping.dmp
          • memory/1876-146-0x0000000024080000-0x00000000240E2000-memory.dmp
            Filesize

            392KB

          • memory/1876-149-0x0000000024080000-0x00000000240E2000-memory.dmp
            Filesize

            392KB

          • memory/2032-162-0x0000000000000000-mapping.dmp
          • memory/3724-172-0x0000000000000000-mapping.dmp
          • memory/3852-166-0x0000000000000000-mapping.dmp
          • memory/3852-170-0x0000000000400000-0x0000000000450000-memory.dmp
            Filesize

            320KB

          • memory/3852-171-0x0000000000400000-0x0000000000450000-memory.dmp
            Filesize

            320KB

          • memory/4004-161-0x0000000024160000-0x00000000241C2000-memory.dmp
            Filesize

            392KB

          • memory/4004-159-0x0000000024160000-0x00000000241C2000-memory.dmp
            Filesize

            392KB

          • memory/4004-155-0x0000000000000000-mapping.dmp
          • memory/4004-182-0x0000000024160000-0x00000000241C2000-memory.dmp
            Filesize

            392KB