Analysis

  • max time kernel
    160s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 04:27

General

  • Target

    7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2.exe

  • Size

    457KB

  • MD5

    203f2a96c9d1553ec903609cf42c516d

  • SHA1

    1bfc3d5602a12d61e5121bfde7219dd940cfcfba

  • SHA256

    7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2

  • SHA512

    9bfb270807082a418e9891c17ac21072ed602d45c40fe03041c3292a28c4745a2083f551154cb47211643cdbfbb0fd71f5748604066bc76bf00b6eaff9791471

  • SSDEEP

    12288:cq9e6N0DmGb2IyIMFMDotqmLmGJP71vIJ7gysQ0:FD0Dm+7vmuIqT8DKJ7gysQ0

Malware Config

Extracted

Family

cybergate

Version

2.8 Private Edition

Botnet

CryptoSuite_Victim

C2

127.0.0.1:81

Mutex

***CryptoSuite***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_file

    cftmon.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    http://www.cryptosuite.org - YLN

  • message_box_title

    Error..

  • password

    CryptoSuite

  • regkey_hkcu

    cftmon

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 19 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 2 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: 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:3044
      • C:\Users\Admin\AppData\Local\Temp\7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2.exe
        "C:\Users\Admin\AppData\Local\Temp\7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1564
        • C:\Users\Admin\AppData\Local\Temp\7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2.exe
          C:\Users\Admin\AppData\Local\Temp\7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2.exe
          3⤵
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:628
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4404
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:2300
            • C:\Users\Admin\AppData\Local\Temp\7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2.exe
              "C:\Users\Admin\AppData\Local\Temp\7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:4024
              • C:\Windows\SysWOW64\cftmon.exe
                "C:\Windows\system32\cftmon.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:2200
                • C:\Windows\SysWOW64\cftmon.exe
                  C:\Windows\SysWOW64\cftmon.exe
                  6⤵
                  • Executes dropped EXE
                  PID:2216
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 524
                    7⤵
                    • Program crash
                    PID:3320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2216 -ip 2216
        1⤵
          PID:4464

        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

                20342ffecbc527c6fe59f7678de5a208

                SHA1

                7230102a81f2cb70015c76046887d1acf2e40829

                SHA256

                f7e9f34723d63575561c6dc643300bcb0eb2ceedc2af733de118663b99704b4a

                SHA512

                6bf96a37d234ddc94e24b5e8f7010d4fd206c709db5b3e41e7a465e84d535b5d9caae061f5aa38701559acc907698f780d6e85ee91d2fd11c7249a59853813cf

              • C:\Windows\SysWOW64\cftmon.exe

                Filesize

                457KB

                MD5

                203f2a96c9d1553ec903609cf42c516d

                SHA1

                1bfc3d5602a12d61e5121bfde7219dd940cfcfba

                SHA256

                7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2

                SHA512

                9bfb270807082a418e9891c17ac21072ed602d45c40fe03041c3292a28c4745a2083f551154cb47211643cdbfbb0fd71f5748604066bc76bf00b6eaff9791471

              • C:\Windows\SysWOW64\cftmon.exe

                Filesize

                457KB

                MD5

                203f2a96c9d1553ec903609cf42c516d

                SHA1

                1bfc3d5602a12d61e5121bfde7219dd940cfcfba

                SHA256

                7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2

                SHA512

                9bfb270807082a418e9891c17ac21072ed602d45c40fe03041c3292a28c4745a2083f551154cb47211643cdbfbb0fd71f5748604066bc76bf00b6eaff9791471

              • C:\Windows\SysWOW64\cftmon.exe

                Filesize

                457KB

                MD5

                203f2a96c9d1553ec903609cf42c516d

                SHA1

                1bfc3d5602a12d61e5121bfde7219dd940cfcfba

                SHA256

                7de2f6abbda94428c3070f8a6379f677d4b63b98295fb0df0f37f58cdf4049c2

                SHA512

                9bfb270807082a418e9891c17ac21072ed602d45c40fe03041c3292a28c4745a2083f551154cb47211643cdbfbb0fd71f5748604066bc76bf00b6eaff9791471

              • memory/628-141-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/628-167-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/628-142-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/628-144-0x0000000010410000-0x0000000010472000-memory.dmp

                Filesize

                392KB

              • memory/628-137-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/628-149-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/628-150-0x0000000010480000-0x00000000104E2000-memory.dmp

                Filesize

                392KB

              • memory/628-140-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/628-162-0x0000000010560000-0x00000000105C2000-memory.dmp

                Filesize

                392KB

              • memory/628-156-0x00000000104F0000-0x0000000010552000-memory.dmp

                Filesize

                392KB

              • memory/1564-132-0x0000000000400000-0x0000000000505000-memory.dmp

                Filesize

                1.0MB

              • memory/1564-139-0x0000000000400000-0x0000000000505000-memory.dmp

                Filesize

                1.0MB

              • memory/1564-133-0x0000000000400000-0x0000000000505000-memory.dmp

                Filesize

                1.0MB

              • memory/2200-177-0x0000000000400000-0x0000000000505000-memory.dmp

                Filesize

                1.0MB

              • memory/2200-183-0x0000000000400000-0x0000000000505000-memory.dmp

                Filesize

                1.0MB

              • memory/2216-181-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/2216-182-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/2216-184-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/4024-161-0x0000000000400000-0x0000000000505000-memory.dmp

                Filesize

                1.0MB

              • memory/4024-171-0x0000000010560000-0x00000000105C2000-memory.dmp

                Filesize

                392KB

              • memory/4024-166-0x0000000010560000-0x00000000105C2000-memory.dmp

                Filesize

                392KB

              • memory/4024-165-0x0000000010560000-0x00000000105C2000-memory.dmp

                Filesize

                392KB

              • memory/4404-170-0x0000000010480000-0x00000000104E2000-memory.dmp

                Filesize

                392KB

              • memory/4404-154-0x0000000010480000-0x00000000104E2000-memory.dmp

                Filesize

                392KB

              • memory/4404-153-0x0000000010480000-0x00000000104E2000-memory.dmp

                Filesize

                392KB