Analysis

  • max time kernel
    151s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 15:44

General

  • Target

    dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e.exe

  • Size

    558KB

  • MD5

    81ffd3354f5cb92f9e7db4d57ad9cde9

  • SHA1

    170b9dabed7eea901d7b048b030318e66630e160

  • SHA256

    dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e

  • SHA512

    be4fc1edfd06db1f7478fcacc666874548c404b2aab8e9c8b8df9c411aeac075d16870d02acde1c17118d232616897b8410a2349bcb56bf994d4e6fbf1c89ead

  • SSDEEP

    12288:tHLUMuiv9RgfSjAzRty4yOc6PjOIOnsbXN5P+uPo4D:VtARtXVensb7PM4D

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

remote

C2

mirelly27.no-ip.org:999

Mutex

B650PBL57J02K0

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    explorer.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    cybergate

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 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 20 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3060
      • C:\Users\Admin\AppData\Local\Temp\dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e.exe
        "C:\Users\Admin\AppData\Local\Temp\dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:868
        • C:\Users\Admin\AppData\Local\Temp\dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e.exe
          "C:\Users\Admin\AppData\Local\Temp\dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e.exe"
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Checks computer location settings
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1280
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:4752
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1568
            • C:\Users\Admin\AppData\Local\Temp\dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e.exe
              "C:\Users\Admin\AppData\Local\Temp\dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:3540
              • C:\Windows\SysWOW64\install\explorer.exe
                "C:\Windows\system32\install\explorer.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:4300
                • C:\Windows\SysWOW64\install\explorer.exe
                  "C:\Windows\SysWOW64\install\explorer.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:4236
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 548
                    7⤵
                    • Program crash
                    PID:3956
            • C:\Windows\SysWOW64\install\explorer.exe
              "C:\Windows\system32\install\explorer.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              PID:4736
              • C:\Windows\SysWOW64\install\explorer.exe
                "C:\Windows\SysWOW64\install\explorer.exe"
                5⤵
                • Executes dropped EXE
                PID:1864
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 580
                  6⤵
                  • Program crash
                  PID:4372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1864 -ip 1864
        1⤵
          PID:2584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4236 -ip 4236
          1⤵
            PID:3880

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            224KB

            MD5

            37674d7eac07f5b34dd6405130a2a71b

            SHA1

            d395e108bf5234bd988b55b096ad7a2e7ad92d8f

            SHA256

            42791641a9d74d4fd5f64a9ae1a93ec6d8fcf82852b6359b68d77543c7501ca7

            SHA512

            875d4fc654ed82634bd07bb9f6040fc66e1a30541e41b7a39f8ee525a2b757ec6fa62454b1f8282788246d4d00217a2e9ad4688f6584f13c858659738ff1ca8f

          • C:\Windows\SysWOW64\install\explorer.exe

            Filesize

            558KB

            MD5

            81ffd3354f5cb92f9e7db4d57ad9cde9

            SHA1

            170b9dabed7eea901d7b048b030318e66630e160

            SHA256

            dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e

            SHA512

            be4fc1edfd06db1f7478fcacc666874548c404b2aab8e9c8b8df9c411aeac075d16870d02acde1c17118d232616897b8410a2349bcb56bf994d4e6fbf1c89ead

          • C:\Windows\SysWOW64\install\explorer.exe

            Filesize

            558KB

            MD5

            81ffd3354f5cb92f9e7db4d57ad9cde9

            SHA1

            170b9dabed7eea901d7b048b030318e66630e160

            SHA256

            dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e

            SHA512

            be4fc1edfd06db1f7478fcacc666874548c404b2aab8e9c8b8df9c411aeac075d16870d02acde1c17118d232616897b8410a2349bcb56bf994d4e6fbf1c89ead

          • C:\Windows\SysWOW64\install\explorer.exe

            Filesize

            558KB

            MD5

            81ffd3354f5cb92f9e7db4d57ad9cde9

            SHA1

            170b9dabed7eea901d7b048b030318e66630e160

            SHA256

            dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e

            SHA512

            be4fc1edfd06db1f7478fcacc666874548c404b2aab8e9c8b8df9c411aeac075d16870d02acde1c17118d232616897b8410a2349bcb56bf994d4e6fbf1c89ead

          • C:\Windows\SysWOW64\install\explorer.exe

            Filesize

            558KB

            MD5

            81ffd3354f5cb92f9e7db4d57ad9cde9

            SHA1

            170b9dabed7eea901d7b048b030318e66630e160

            SHA256

            dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e

            SHA512

            be4fc1edfd06db1f7478fcacc666874548c404b2aab8e9c8b8df9c411aeac075d16870d02acde1c17118d232616897b8410a2349bcb56bf994d4e6fbf1c89ead

          • C:\Windows\SysWOW64\install\explorer.exe

            Filesize

            558KB

            MD5

            81ffd3354f5cb92f9e7db4d57ad9cde9

            SHA1

            170b9dabed7eea901d7b048b030318e66630e160

            SHA256

            dc394d67c82124166f5694ba5bf2f9fce862cd6b802f8b0fd2d677f6b08b4b0e

            SHA512

            be4fc1edfd06db1f7478fcacc666874548c404b2aab8e9c8b8df9c411aeac075d16870d02acde1c17118d232616897b8410a2349bcb56bf994d4e6fbf1c89ead

          • memory/868-137-0x0000000000400000-0x00000000004A9000-memory.dmp

            Filesize

            676KB

          • memory/868-132-0x0000000000400000-0x00000000004A9000-memory.dmp

            Filesize

            676KB

          • memory/1280-138-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/1280-140-0x0000000010410000-0x0000000010475000-memory.dmp

            Filesize

            404KB

          • memory/1280-145-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/1280-136-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/1280-135-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/1280-134-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/1280-153-0x00000000104F0000-0x0000000010555000-memory.dmp

            Filesize

            404KB

          • memory/1280-158-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/1280-164-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/1864-173-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/1864-170-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/1864-187-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/1864-185-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/3540-175-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/3540-161-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/3540-186-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/3540-174-0x0000000000400000-0x00000000004A9000-memory.dmp

            Filesize

            676KB

          • memory/4236-183-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4236-184-0x0000000000400000-0x0000000000451000-memory.dmp

            Filesize

            324KB

          • memory/4300-181-0x0000000000400000-0x00000000004A9000-memory.dmp

            Filesize

            676KB

          • memory/4300-176-0x0000000000400000-0x00000000004A9000-memory.dmp

            Filesize

            676KB

          • memory/4736-168-0x0000000000400000-0x00000000004A9000-memory.dmp

            Filesize

            676KB

          • memory/4752-148-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/4752-151-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB