Analysis

  • max time kernel
    151s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2022, 06:44

General

  • Target

    458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf.exe

  • Size

    276KB

  • MD5

    2b273e42767888f2b8fdd8d06eea26ee

  • SHA1

    395cac3dec01a1bfe6650cec3138a1f8a960cd2a

  • SHA256

    458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf

  • SHA512

    f7f6c953fc51a2539d045021c09e233c46cc6e4032dba16e5e09ad7cfb03e1901682d003faa58360b2b040fa0c98c68a5f7d3723fd0a55b0f9b8f7e260da3b34

  • SSDEEP

    6144:Zk4qmP/AIHgSu/MsiSOUydS1u9w/LW27myiav5X4aF5K:+9ygSFSOs1mw/5V5Xl

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Server

C2

th3h4ck3r.no-ip.biz:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    kxptt

  • install_file

    ttkxpr.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 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 18 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 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:1216
      • C:\Users\Admin\AppData\Local\Temp\458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf.exe
        "C:\Users\Admin\AppData\Local\Temp\458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf.exe"
        2⤵
        • 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:1808
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:948
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:768
          • C:\Users\Admin\AppData\Local\Temp\458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf.exe
            "C:\Users\Admin\AppData\Local\Temp\458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf.exe"
            3⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1608
            • C:\Windows\SysWOW64\kxptt\ttkxpr.exe
              "C:\Windows\system32\kxptt\ttkxpr.exe"
              4⤵
              • Executes dropped EXE
              PID:1304

      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

        5fb3075ab954c7d9c65fa8e3cb922c91

        SHA1

        fd10cf0a117770077fcf642ed3f1cca22528c553

        SHA256

        fb682af2c70b8854e43cda3a37e0b8d7f97db20b90edc62cb84c2ee45bf01b3d

        SHA512

        396078958f1132065742302ed53e999431382a05bc4fb01e6e0a78083f37411113739eac6f0f978877d94c87f9d36176b794757ff2a8c966abd4c23eaecfed0c

      • C:\Windows\SysWOW64\kxptt\ttkxpr.exe

        Filesize

        276KB

        MD5

        2b273e42767888f2b8fdd8d06eea26ee

        SHA1

        395cac3dec01a1bfe6650cec3138a1f8a960cd2a

        SHA256

        458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf

        SHA512

        f7f6c953fc51a2539d045021c09e233c46cc6e4032dba16e5e09ad7cfb03e1901682d003faa58360b2b040fa0c98c68a5f7d3723fd0a55b0f9b8f7e260da3b34

      • C:\Windows\SysWOW64\kxptt\ttkxpr.exe

        Filesize

        276KB

        MD5

        2b273e42767888f2b8fdd8d06eea26ee

        SHA1

        395cac3dec01a1bfe6650cec3138a1f8a960cd2a

        SHA256

        458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf

        SHA512

        f7f6c953fc51a2539d045021c09e233c46cc6e4032dba16e5e09ad7cfb03e1901682d003faa58360b2b040fa0c98c68a5f7d3723fd0a55b0f9b8f7e260da3b34

      • \Windows\SysWOW64\kxptt\ttkxpr.exe

        Filesize

        276KB

        MD5

        2b273e42767888f2b8fdd8d06eea26ee

        SHA1

        395cac3dec01a1bfe6650cec3138a1f8a960cd2a

        SHA256

        458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf

        SHA512

        f7f6c953fc51a2539d045021c09e233c46cc6e4032dba16e5e09ad7cfb03e1901682d003faa58360b2b040fa0c98c68a5f7d3723fd0a55b0f9b8f7e260da3b34

      • \Windows\SysWOW64\kxptt\ttkxpr.exe

        Filesize

        276KB

        MD5

        2b273e42767888f2b8fdd8d06eea26ee

        SHA1

        395cac3dec01a1bfe6650cec3138a1f8a960cd2a

        SHA256

        458fb47f55c0730696c0067ee13b905df7bd12ec5ce847dc97190353b21985cf

        SHA512

        f7f6c953fc51a2539d045021c09e233c46cc6e4032dba16e5e09ad7cfb03e1901682d003faa58360b2b040fa0c98c68a5f7d3723fd0a55b0f9b8f7e260da3b34

      • memory/948-65-0x00000000751C1000-0x00000000751C3000-memory.dmp

        Filesize

        8KB

      • memory/948-71-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/948-74-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1216-60-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1304-98-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/1304-99-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/1608-88-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1608-94-0x00000000067D0000-0x0000000006827000-memory.dmp

        Filesize

        348KB

      • memory/1608-101-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1608-100-0x00000000067D0000-0x0000000006827000-memory.dmp

        Filesize

        348KB

      • memory/1608-97-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1608-96-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/1608-95-0x00000000067D0000-0x0000000006827000-memory.dmp

        Filesize

        348KB

      • memory/1808-54-0x0000000076171000-0x0000000076173000-memory.dmp

        Filesize

        8KB

      • memory/1808-66-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1808-76-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/1808-57-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1808-55-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/1808-82-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1808-87-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB