Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 06:45

General

  • Target

    18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017.exe

  • Size

    1.0MB

  • MD5

    6680063689e08fe1906ff74668eac28e

  • SHA1

    ead0d320a8c674bae31670b0d85aef24be5e12b1

  • SHA256

    18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017

  • SHA512

    a35e81eca792edcb6bfa6f7a3ad454809ae5da60e5df5b9412b9601b7d70bd58e428b3546970e4e44352b523f73bac32e3201d8ddcdb6977af48a1a5ad146df8

  • SSDEEP

    24576:xHgAHgAr6yAXbr8RuO0uku+RvLt4SWFo2H+B9ToAKJRI3vP:xHgAHgAr1A8uKku+RvLt4SWFo2ejLYR0

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

yzzh

C2

yzzh.no-ip.biz:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    microsoft

  • install_file

    svchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Pointer Baþarýlý .

  • message_box_title

    Chaos Multi

  • password

    123456

  • 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 17 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
  • 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.

  • 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:3092
      • C:\Users\Admin\AppData\Local\Temp\18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017.exe
        "C:\Users\Admin\AppData\Local\Temp\18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2976
        • C:\Users\Admin\AppData\Local\Temp\18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017.exe
          "C:\Users\Admin\AppData\Local\Temp\18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017.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:1700
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:204
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:824
            • C:\Users\Admin\AppData\Local\Temp\18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017.exe
              "C:\Users\Admin\AppData\Local\Temp\18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:4336
              • C:\Windows\SysWOW64\microsoft\svchost.exe
                "C:\Windows\system32\microsoft\svchost.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:4264
                • C:\Windows\SysWOW64\microsoft\svchost.exe
                  "C:\Windows\SysWOW64\microsoft\svchost.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:2064
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 568
                    7⤵
                    • Program crash
                    PID:3100
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2064 -ip 2064
        1⤵
          PID:3156

        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

                0db3b7e5f1992f12f43e07352c51c765

                SHA1

                d5a0e3eaa774c9657e3911bb6c70ea799f6c6033

                SHA256

                65ab1db765ed662f6b871f740dd1260c5c1eead1d709044240f73ed09ecbbb09

                SHA512

                00340a71dbb220d33f8016aef3720a54a00b2b5af6cb81bf05d3a9e0e871659cc0eb87db748109417fc89b6a1c2a3ea2682995cf39c873067ed941ca7133af98

              • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-929662420-1054238289-2961194603-1000\88603cb2913a7df3fbd16b5f958e6447_4cfb5922-b036-4c14-9ed1-03c0dad19fbd

                Filesize

                51B

                MD5

                5fc2ac2a310f49c14d195230b91a8885

                SHA1

                90855cc11136ba31758fe33b5cf9571f9a104879

                SHA256

                374e0e2897a7a82e0e44794cad89df0f3cdd7703886239c1fe06d625efd48092

                SHA512

                ab46554df9174b9fe9beba50a640f67534c3812f64d96a1fb8adfdc136dfe730ca2370825cd45b7f87a544d6a58dd868cb5a3a7f42e2789f6d679dbc0fdd52c3

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

                Filesize

                1.0MB

                MD5

                6680063689e08fe1906ff74668eac28e

                SHA1

                ead0d320a8c674bae31670b0d85aef24be5e12b1

                SHA256

                18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017

                SHA512

                a35e81eca792edcb6bfa6f7a3ad454809ae5da60e5df5b9412b9601b7d70bd58e428b3546970e4e44352b523f73bac32e3201d8ddcdb6977af48a1a5ad146df8

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

                Filesize

                1.0MB

                MD5

                6680063689e08fe1906ff74668eac28e

                SHA1

                ead0d320a8c674bae31670b0d85aef24be5e12b1

                SHA256

                18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017

                SHA512

                a35e81eca792edcb6bfa6f7a3ad454809ae5da60e5df5b9412b9601b7d70bd58e428b3546970e4e44352b523f73bac32e3201d8ddcdb6977af48a1a5ad146df8

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

                Filesize

                1.0MB

                MD5

                6680063689e08fe1906ff74668eac28e

                SHA1

                ead0d320a8c674bae31670b0d85aef24be5e12b1

                SHA256

                18624f7417625549b36634db15a17eac37dea08f5925dcbf9e290696f93be017

                SHA512

                a35e81eca792edcb6bfa6f7a3ad454809ae5da60e5df5b9412b9601b7d70bd58e428b3546970e4e44352b523f73bac32e3201d8ddcdb6977af48a1a5ad146df8

              • memory/204-149-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/204-152-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/1700-154-0x00000000240F0000-0x0000000024152000-memory.dmp

                Filesize

                392KB

              • memory/1700-163-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/1700-141-0x0000000024010000-0x0000000024072000-memory.dmp

                Filesize

                392KB

              • memory/1700-139-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/1700-146-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/1700-159-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1700-135-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/1700-137-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/1700-138-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/2064-175-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/2064-176-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/2064-174-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/4336-164-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/4336-162-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/4336-177-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB