Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 19:32

General

  • Target

    ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203.exe

  • Size

    406KB

  • MD5

    825a5d844ccae6f1176bcdb35c26e1c0

  • SHA1

    f8fdb71e491d31a9ed09ad0879768d12f7d53d94

  • SHA256

    ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203

  • SHA512

    4f4cbd34fc3567f95cd87e283251eeb84ae1d665f90524961c41d39d45b3a78e98bc2a1c3fcf49a1137d66ee4b62673dfa87269553cabf2dd871c1c4be24ce0f

  • SSDEEP

    12288:sYy9aRynHwcCuLEY+7jJib2nAPnVk+G3NYn:pyHXCMQ7diynlh3NYn

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

CryptoSuite

C2

otocukk.no-ip.biz:443

Mutex

M30EFVFW

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    java\upgrade\

  • install_file

    javaing.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Tester

  • message_box_title

    Test

  • password

    yln12345

  • regkey_hkcu

    javaing

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
  • UPX packed file 9 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 4 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 WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1368
      • C:\Users\Admin\AppData\Local\Temp\ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203.exe
        "C:\Users\Admin\AppData\Local\Temp\ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1056
        • C:\Users\Admin\AppData\Local\Temp\ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203.exe
          C:\Users\Admin\AppData\Local\Temp\ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203.exe
          3⤵
          • Adds policy Run key to start application
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1080
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
              PID:2024
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              4⤵
                PID:1268
              • C:\Users\Admin\AppData\Local\Temp\ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203.exe
                "C:\Users\Admin\AppData\Local\Temp\ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203.exe"
                4⤵
                • Loads dropped DLL
                • Drops file in Program Files directory
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                PID:1180
                • C:\Program Files (x86)\java\upgrade\javaing.exe
                  "C:\Program Files (x86)\java\upgrade\javaing.exe"
                  5⤵
                  • Executes dropped EXE
                  PID:1804
                  • C:\Program Files (x86)\java\upgrade\javaing.exe
                    "C:\Program Files (x86)\java\upgrade\javaing.exe"
                    6⤵
                    • Executes dropped EXE
                    PID:1588

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Program Files (x86)\java\upgrade\javaing.exe

                Filesize

                406KB

                MD5

                825a5d844ccae6f1176bcdb35c26e1c0

                SHA1

                f8fdb71e491d31a9ed09ad0879768d12f7d53d94

                SHA256

                ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203

                SHA512

                4f4cbd34fc3567f95cd87e283251eeb84ae1d665f90524961c41d39d45b3a78e98bc2a1c3fcf49a1137d66ee4b62673dfa87269553cabf2dd871c1c4be24ce0f

              • C:\Program Files (x86)\java\upgrade\javaing.exe

                Filesize

                406KB

                MD5

                825a5d844ccae6f1176bcdb35c26e1c0

                SHA1

                f8fdb71e491d31a9ed09ad0879768d12f7d53d94

                SHA256

                ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203

                SHA512

                4f4cbd34fc3567f95cd87e283251eeb84ae1d665f90524961c41d39d45b3a78e98bc2a1c3fcf49a1137d66ee4b62673dfa87269553cabf2dd871c1c4be24ce0f

              • C:\Program Files (x86)\java\upgrade\javaing.exe

                Filesize

                406KB

                MD5

                825a5d844ccae6f1176bcdb35c26e1c0

                SHA1

                f8fdb71e491d31a9ed09ad0879768d12f7d53d94

                SHA256

                ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203

                SHA512

                4f4cbd34fc3567f95cd87e283251eeb84ae1d665f90524961c41d39d45b3a78e98bc2a1c3fcf49a1137d66ee4b62673dfa87269553cabf2dd871c1c4be24ce0f

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

                Filesize

                229KB

                MD5

                c49d7f49a566969a9a265397c768ca11

                SHA1

                695e4dff4e0bdfce5beb065415b30da38215cbd1

                SHA256

                2316df904c22a41779717e18353c63c2a29da1e2a0510cf470e5053ee76aaf11

                SHA512

                a9fa4563c70425fee750858626b95ceccebada781a8062390f12afe462286f699e7d4e45d7347039f96ea565c775eafac92551373a0c86273757ba23f9c4355b

              • \Program Files (x86)\java\upgrade\javaing.exe

                Filesize

                406KB

                MD5

                825a5d844ccae6f1176bcdb35c26e1c0

                SHA1

                f8fdb71e491d31a9ed09ad0879768d12f7d53d94

                SHA256

                ab89785ce8d745bb9dd2c8d23519ed1a4e503938d3a496d059f786219ae54203

                SHA512

                4f4cbd34fc3567f95cd87e283251eeb84ae1d665f90524961c41d39d45b3a78e98bc2a1c3fcf49a1137d66ee4b62673dfa87269553cabf2dd871c1c4be24ce0f

              • memory/1056-67-0x0000000000240000-0x0000000000244000-memory.dmp

                Filesize

                16KB

              • memory/1056-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

                Filesize

                8KB

              • memory/1080-69-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-59-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-62-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-66-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-61-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-70-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-72-0x0000000024010000-0x0000000024072000-memory.dmp

                Filesize

                392KB

              • memory/1080-60-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-64-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-58-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-81-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/1080-103-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-56-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-55-0x0000000000400000-0x0000000000450000-memory.dmp

                Filesize

                320KB

              • memory/1080-97-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1080-91-0x00000000240F0000-0x0000000024152000-memory.dmp

                Filesize

                392KB

              • memory/1180-102-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1180-104-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1180-110-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1368-75-0x0000000024010000-0x0000000024072000-memory.dmp

                Filesize

                392KB

              • memory/2024-89-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/2024-86-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/2024-80-0x0000000075231000-0x0000000075233000-memory.dmp

                Filesize

                8KB