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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/11/2022, 23:54

General

  • Target

    a5f6ddb0c13d00fe9194e6f58e4e0e6adb05acae621271ac91698c0dc13a6f4c.exe

  • Size

    382KB

  • MD5

    b8c17ccca22fd21439330484d11b5afd

  • SHA1

    63772570981db9602b2cba620890c805c48bec25

  • SHA256

    a5f6ddb0c13d00fe9194e6f58e4e0e6adb05acae621271ac91698c0dc13a6f4c

  • SHA512

    beb6454374c1a3d4071c231cccf53335518ea954c952413dd4946bf5acccc81b59c62c36073e99c5769038901069cd56e2d29537d201e3674f7da6f54db2e548

  • SSDEEP

    6144:gkDhZbmvGrOk0IImGo3Br+BstcbTxnU0A+0eBj9V9O0bnH:ntAEOkDEu1mnU+jnpbn

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Cyber

C2

lcode.no-ip.org:82

Mutex

Updater

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    .//domains/steam.us.lt/public_html/v0.1/

  • ftp_interval

    30

  • ftp_password

    l37w9hukp6

  • ftp_port

    21

  • ftp_server

    steam.us.lt

  • ftp_username

    steam

  • injected_process

    explorer.exe

  • install_dir

    Winlog

  • install_file

    Winlogon.exe

  • install_flag

    true

  • keylogger_enable_ftp

    true

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • 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 3 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 22 IoCs

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

  • Loads dropped DLL 3 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 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1220
      • C:\Users\Admin\AppData\Local\Temp\a5f6ddb0c13d00fe9194e6f58e4e0e6adb05acae621271ac91698c0dc13a6f4c.exe
        "C:\Users\Admin\AppData\Local\Temp\a5f6ddb0c13d00fe9194e6f58e4e0e6adb05acae621271ac91698c0dc13a6f4c.exe"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:960
        • C:\Users\Admin\AppData\Local\Temp\tmpFA18.tmp.exe
          "C:\Users\Admin\AppData\Local\Temp\tmpFA18.tmp.exe"
          3⤵
          • Adds policy Run key to start application
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:556
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:576
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1280
            • C:\Users\Admin\AppData\Local\Temp\tmpFA18.tmp.exe
              "C:\Users\Admin\AppData\Local\Temp\tmpFA18.tmp.exe"
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1948
              • C:\Windows\SysWOW64\Winlog\Winlogon.exe
                "C:\Windows\system32\Winlog\Winlogon.exe"
                5⤵
                • Executes dropped EXE
                PID:628

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Admin2.txt

        Filesize

        224KB

        MD5

        5f7af6a9af101ff3b46246345f20cca1

        SHA1

        a389823a8ad5688a7bfaef10995e002120224020

        SHA256

        84bfaee2772dcca50b00e17a88bf309b92e7e9c872334980ca0be9caa9c5c29b

        SHA512

        ab567d399f588f8ee2048cf4e4ce83b27dc6ffc0ff091c0e1f82972fa986f786869dc164f71e98ac48787eb5f49fcbdf498b01375d980fce9bdd81ae232aa4f7

      • C:\Users\Admin\AppData\Local\Temp\tmpFA18.tmp.exe

        Filesize

        373KB

        MD5

        bc8b1938ae921daf721e9c5899102534

        SHA1

        3e7bbc011dc3f2ebd512b5df35102cc056dc742a

        SHA256

        2c98d4b8c7a570cf258342c9119ff720fea17be44fcd3b1abeebbecc3914fadd

        SHA512

        b92b87480745cca4859f7d5de1f036b65df92f7004fd107784b20e9135bb241646c34a61b1eae4df13ea3c750bc403e2b6248ef1e360d6658bc7c684c44b2ebd

      • C:\Users\Admin\AppData\Local\Temp\tmpFA18.tmp.exe

        Filesize

        373KB

        MD5

        bc8b1938ae921daf721e9c5899102534

        SHA1

        3e7bbc011dc3f2ebd512b5df35102cc056dc742a

        SHA256

        2c98d4b8c7a570cf258342c9119ff720fea17be44fcd3b1abeebbecc3914fadd

        SHA512

        b92b87480745cca4859f7d5de1f036b65df92f7004fd107784b20e9135bb241646c34a61b1eae4df13ea3c750bc403e2b6248ef1e360d6658bc7c684c44b2ebd

      • C:\Users\Admin\AppData\Local\Temp\tmpFA18.tmp.exe

        Filesize

        373KB

        MD5

        bc8b1938ae921daf721e9c5899102534

        SHA1

        3e7bbc011dc3f2ebd512b5df35102cc056dc742a

        SHA256

        2c98d4b8c7a570cf258342c9119ff720fea17be44fcd3b1abeebbecc3914fadd

        SHA512

        b92b87480745cca4859f7d5de1f036b65df92f7004fd107784b20e9135bb241646c34a61b1eae4df13ea3c750bc403e2b6248ef1e360d6658bc7c684c44b2ebd

      • C:\Windows\SysWOW64\Winlog\Winlogon.exe

        Filesize

        373KB

        MD5

        bc8b1938ae921daf721e9c5899102534

        SHA1

        3e7bbc011dc3f2ebd512b5df35102cc056dc742a

        SHA256

        2c98d4b8c7a570cf258342c9119ff720fea17be44fcd3b1abeebbecc3914fadd

        SHA512

        b92b87480745cca4859f7d5de1f036b65df92f7004fd107784b20e9135bb241646c34a61b1eae4df13ea3c750bc403e2b6248ef1e360d6658bc7c684c44b2ebd

      • C:\Windows\SysWOW64\Winlog\Winlogon.exe

        Filesize

        373KB

        MD5

        bc8b1938ae921daf721e9c5899102534

        SHA1

        3e7bbc011dc3f2ebd512b5df35102cc056dc742a

        SHA256

        2c98d4b8c7a570cf258342c9119ff720fea17be44fcd3b1abeebbecc3914fadd

        SHA512

        b92b87480745cca4859f7d5de1f036b65df92f7004fd107784b20e9135bb241646c34a61b1eae4df13ea3c750bc403e2b6248ef1e360d6658bc7c684c44b2ebd

      • \Users\Admin\AppData\Local\Temp\tmpFA18.tmp.exe

        Filesize

        373KB

        MD5

        bc8b1938ae921daf721e9c5899102534

        SHA1

        3e7bbc011dc3f2ebd512b5df35102cc056dc742a

        SHA256

        2c98d4b8c7a570cf258342c9119ff720fea17be44fcd3b1abeebbecc3914fadd

        SHA512

        b92b87480745cca4859f7d5de1f036b65df92f7004fd107784b20e9135bb241646c34a61b1eae4df13ea3c750bc403e2b6248ef1e360d6658bc7c684c44b2ebd

      • \Windows\SysWOW64\Winlog\Winlogon.exe

        Filesize

        373KB

        MD5

        bc8b1938ae921daf721e9c5899102534

        SHA1

        3e7bbc011dc3f2ebd512b5df35102cc056dc742a

        SHA256

        2c98d4b8c7a570cf258342c9119ff720fea17be44fcd3b1abeebbecc3914fadd

        SHA512

        b92b87480745cca4859f7d5de1f036b65df92f7004fd107784b20e9135bb241646c34a61b1eae4df13ea3c750bc403e2b6248ef1e360d6658bc7c684c44b2ebd

      • \Windows\SysWOW64\Winlog\Winlogon.exe

        Filesize

        373KB

        MD5

        bc8b1938ae921daf721e9c5899102534

        SHA1

        3e7bbc011dc3f2ebd512b5df35102cc056dc742a

        SHA256

        2c98d4b8c7a570cf258342c9119ff720fea17be44fcd3b1abeebbecc3914fadd

        SHA512

        b92b87480745cca4859f7d5de1f036b65df92f7004fd107784b20e9135bb241646c34a61b1eae4df13ea3c750bc403e2b6248ef1e360d6658bc7c684c44b2ebd

      • memory/556-58-0x00000000757A1000-0x00000000757A3000-memory.dmp

        Filesize

        8KB

      • memory/556-94-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/556-71-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/556-89-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/556-95-0x0000000001E60000-0x0000000001EFB000-memory.dmp

        Filesize

        620KB

      • memory/556-62-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/556-59-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/556-81-0x00000000104F0000-0x0000000010555000-memory.dmp

        Filesize

        404KB

      • memory/576-70-0x0000000074E11000-0x0000000074E13000-memory.dmp

        Filesize

        8KB

      • memory/576-79-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/576-76-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/628-106-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/628-105-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/960-54-0x000007FEF4650000-0x000007FEF5073000-memory.dmp

        Filesize

        10.1MB

      • memory/960-55-0x000007FEFC011000-0x000007FEFC013000-memory.dmp

        Filesize

        8KB

      • memory/1220-65-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/1948-97-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/1948-103-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1948-104-0x0000000006570000-0x000000000660B000-memory.dmp

        Filesize

        620KB

      • memory/1948-96-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1948-107-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1948-108-0x0000000006570000-0x000000000660B000-memory.dmp

        Filesize

        620KB

      • memory/1948-109-0x0000000006570000-0x000000000660B000-memory.dmp

        Filesize

        620KB