Analysis

  • max time kernel
    151s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2022, 07:14

General

  • Target

    8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192.exe

  • Size

    356KB

  • MD5

    48211fdb1c49ea7fcedd4baea0b47e93

  • SHA1

    4ef9e88b1e96bc064cbd3e711b314e70d6af711b

  • SHA256

    8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192

  • SHA512

    a3976b99fd59b9c77bbd8c72fb766c19a45a17727c6f5e1ea5f87d400eb17ed54c11a6a9f6fc59957c754dc77eedc37e285f3d08036e06abc86618c913078eac

  • SSDEEP

    6144:GcK2ikSJKTlFEc1lv2FD3xn2T6PrbkCKaJmXRLX83xX7KHnrcJBcwTR/nK:GcKp/v1Vn2u/TVJmXFal/J2cJK

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

China Town Hi

C2

leofelvoltou.no-ip.org:81

leoefelvoltou.no-ip.org:81

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    system32

  • install_file

    javas.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Seu sistema não suportou a versão framework do programa, por favor obtenha uma versão mais atualizada do programa.

  • message_box_title

    Atenção

  • password

    leonardo2009

  • regkey_hkcu

    WIN32

  • regkey_hklm

    WIN32

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 19 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 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.

  • 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:1240
      • C:\Users\Admin\AppData\Local\Temp\8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192.exe
        "C:\Users\Admin\AppData\Local\Temp\8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1376
        • C:\Users\Admin\AppData\Local\Temp\8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192.exe
          "C:\Users\Admin\AppData\Local\Temp\8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192.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 use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1952
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:764
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1648
            • C:\Users\Admin\AppData\Local\Temp\8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192.exe
              "C:\Users\Admin\AppData\Local\Temp\8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1148
              • C:\Windows\SysWOW64\javas.exe
                "C:\Windows\system32\javas.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:1968
                • C:\Windows\SysWOW64\javas.exe
                  "C:\Windows\SysWOW64\javas.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:1232

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

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

              Filesize

              230KB

              MD5

              cf15c57f7ecde39356e7ac5b0ae5faaf

              SHA1

              2aa6fca7ac341f33fa3e75a6c14485f4aafe9bc0

              SHA256

              a9ee6545777ce3b4d9fd21543a585f285b06a2a97c64cc43ed1224d2df0abc78

              SHA512

              512effe9c3241384a1f40eb170dff33ddf1fc2a84cfc0903d62bd064776f0e4835cdc235075c7616194c67116e9f34b01a99daad3a111d0a4bcc4706d47ec70e

            • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4063495947-34355257-727531523-1000\699c4b9cdebca7aaea5193cae8a50098_8e28fefd-2db0-4dd4-85d7-665f2cf2c74b

              Filesize

              50B

              MD5

              5b63d4dd8c04c88c0e30e494ec6a609a

              SHA1

              884d5a8bdc25fe794dc22ef9518009dcf0069d09

              SHA256

              4d93c22555b3169e5c13716ca59b8b22892c69b3025aea841afe5259698102fd

              SHA512

              15ff8551ac6b9de978050569bcdc26f44dfc06a0eaf445ac70fd45453a21bdafa3e4c8b4857d6a1c3226f4102a639682bdfb71d7b255062fb81a51c9126896cb

            • C:\Windows\SysWOW64\javas.exe

              Filesize

              356KB

              MD5

              48211fdb1c49ea7fcedd4baea0b47e93

              SHA1

              4ef9e88b1e96bc064cbd3e711b314e70d6af711b

              SHA256

              8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192

              SHA512

              a3976b99fd59b9c77bbd8c72fb766c19a45a17727c6f5e1ea5f87d400eb17ed54c11a6a9f6fc59957c754dc77eedc37e285f3d08036e06abc86618c913078eac

            • C:\Windows\SysWOW64\javas.exe

              Filesize

              356KB

              MD5

              48211fdb1c49ea7fcedd4baea0b47e93

              SHA1

              4ef9e88b1e96bc064cbd3e711b314e70d6af711b

              SHA256

              8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192

              SHA512

              a3976b99fd59b9c77bbd8c72fb766c19a45a17727c6f5e1ea5f87d400eb17ed54c11a6a9f6fc59957c754dc77eedc37e285f3d08036e06abc86618c913078eac

            • C:\Windows\SysWOW64\javas.exe

              Filesize

              356KB

              MD5

              48211fdb1c49ea7fcedd4baea0b47e93

              SHA1

              4ef9e88b1e96bc064cbd3e711b314e70d6af711b

              SHA256

              8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192

              SHA512

              a3976b99fd59b9c77bbd8c72fb766c19a45a17727c6f5e1ea5f87d400eb17ed54c11a6a9f6fc59957c754dc77eedc37e285f3d08036e06abc86618c913078eac

            • \Windows\SysWOW64\javas.exe

              Filesize

              356KB

              MD5

              48211fdb1c49ea7fcedd4baea0b47e93

              SHA1

              4ef9e88b1e96bc064cbd3e711b314e70d6af711b

              SHA256

              8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192

              SHA512

              a3976b99fd59b9c77bbd8c72fb766c19a45a17727c6f5e1ea5f87d400eb17ed54c11a6a9f6fc59957c754dc77eedc37e285f3d08036e06abc86618c913078eac

            • \Windows\SysWOW64\javas.exe

              Filesize

              356KB

              MD5

              48211fdb1c49ea7fcedd4baea0b47e93

              SHA1

              4ef9e88b1e96bc064cbd3e711b314e70d6af711b

              SHA256

              8b15a0d2e0da7be8af7d2367751d3ba86ba643fb0f8fa79ab94ab950e3b52192

              SHA512

              a3976b99fd59b9c77bbd8c72fb766c19a45a17727c6f5e1ea5f87d400eb17ed54c11a6a9f6fc59957c754dc77eedc37e285f3d08036e06abc86618c913078eac

            • memory/764-76-0x00000000749F1000-0x00000000749F3000-memory.dmp

              Filesize

              8KB

            • memory/764-85-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/764-82-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1148-120-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1148-98-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1148-100-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1232-118-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1232-117-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1232-119-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1240-71-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/1952-93-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1952-60-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1952-64-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1952-87-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/1952-56-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1952-65-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1952-99-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1952-59-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1952-63-0x0000000075091000-0x0000000075093000-memory.dmp

              Filesize

              8KB

            • memory/1952-57-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB

            • memory/1952-77-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1952-68-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/1952-66-0x0000000000400000-0x0000000000457000-memory.dmp

              Filesize

              348KB