Analysis

  • max time kernel
    172s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 15:33

General

  • Target

    c75ef796b7637f51f576377ac847a1ba32d042538fe9b3dc50ef7fb396b726a7.exe

  • Size

    296KB

  • MD5

    96f67eb5d0b09945bd5f7c865f7e5a60

  • SHA1

    c2d2ee20c9bbca6c3e8e5a868b36db0e9c4a45f8

  • SHA256

    c75ef796b7637f51f576377ac847a1ba32d042538fe9b3dc50ef7fb396b726a7

  • SHA512

    778cc542aca03ab0b7f59c0ad99af9880909e03da0a45d29947ce46beb569025f7605fc29bd2f417cfc6f440298c33ba453c0f05d5518c183e48cbc9082fdcfa

  • SSDEEP

    6144:/OpslFlqNhdBCkWYxuukP1pjSKSNVkq/MVJbD:/wslgTBd47GLRMTbD

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

hack

C2

haft38526.zapto.org:9961

Mutex

QSF86047NPR85B

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Sytem32.exe

  • install_file

    Windows.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Ihre Framework version ist veraltet

  • message_box_title

    Framework

  • password

    1234

  • 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 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 9 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.

  • 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.

  • 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:1124
      • C:\Users\Admin\AppData\Local\Temp\c75ef796b7637f51f576377ac847a1ba32d042538fe9b3dc50ef7fb396b726a7.exe
        "C:\Users\Admin\AppData\Local\Temp\c75ef796b7637f51f576377ac847a1ba32d042538fe9b3dc50ef7fb396b726a7.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Checks computer location settings
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1264
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:472
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:2324
          • C:\Users\Admin\AppData\Local\Temp\c75ef796b7637f51f576377ac847a1ba32d042538fe9b3dc50ef7fb396b726a7.exe
            "C:\Users\Admin\AppData\Local\Temp\c75ef796b7637f51f576377ac847a1ba32d042538fe9b3dc50ef7fb396b726a7.exe"
            3⤵
            • Checks computer location settings
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1764
            • C:\Windows\SysWOW64\Sytem32.exe\Windows.exe
              "C:\Windows\system32\Sytem32.exe\Windows.exe"
              4⤵
              • Executes dropped EXE
              PID:1008
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 556
                5⤵
                • Program crash
                PID:4468
          • C:\Windows\SysWOW64\Sytem32.exe\Windows.exe
            "C:\Windows\system32\Sytem32.exe\Windows.exe"
            3⤵
            • Executes dropped EXE
            PID:3088
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3088 -s 572
              4⤵
              • Program crash
              PID:2664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3088 -ip 3088
        1⤵
          PID:5020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1008 -ip 1008
          1⤵
            PID:1380

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            225KB

            MD5

            a1fdd4bfb9f2654f407ed51fb038afe9

            SHA1

            6f5a4ca0d6544003bdc3fa1f54b2b7030624ccc6

            SHA256

            1dfe3c360c9d7262beb487696049c0815806d2d3997b8942ea7cb16046b76d50

            SHA512

            61ecc8ab0c007db99cf36f069c67ff0264fe528a69e5cbfa17f1ae6cda92ca44090b206ebb70f9a695e19d3c3403459b7e30ce59d48181fc0a3acfc441e108d4

          • C:\Windows\SysWOW64\Sytem32.exe\Windows.exe

            Filesize

            296KB

            MD5

            96f67eb5d0b09945bd5f7c865f7e5a60

            SHA1

            c2d2ee20c9bbca6c3e8e5a868b36db0e9c4a45f8

            SHA256

            c75ef796b7637f51f576377ac847a1ba32d042538fe9b3dc50ef7fb396b726a7

            SHA512

            778cc542aca03ab0b7f59c0ad99af9880909e03da0a45d29947ce46beb569025f7605fc29bd2f417cfc6f440298c33ba453c0f05d5518c183e48cbc9082fdcfa

          • C:\Windows\SysWOW64\Sytem32.exe\Windows.exe

            Filesize

            296KB

            MD5

            96f67eb5d0b09945bd5f7c865f7e5a60

            SHA1

            c2d2ee20c9bbca6c3e8e5a868b36db0e9c4a45f8

            SHA256

            c75ef796b7637f51f576377ac847a1ba32d042538fe9b3dc50ef7fb396b726a7

            SHA512

            778cc542aca03ab0b7f59c0ad99af9880909e03da0a45d29947ce46beb569025f7605fc29bd2f417cfc6f440298c33ba453c0f05d5518c183e48cbc9082fdcfa

          • C:\Windows\SysWOW64\Sytem32.exe\Windows.exe

            Filesize

            296KB

            MD5

            96f67eb5d0b09945bd5f7c865f7e5a60

            SHA1

            c2d2ee20c9bbca6c3e8e5a868b36db0e9c4a45f8

            SHA256

            c75ef796b7637f51f576377ac847a1ba32d042538fe9b3dc50ef7fb396b726a7

            SHA512

            778cc542aca03ab0b7f59c0ad99af9880909e03da0a45d29947ce46beb569025f7605fc29bd2f417cfc6f440298c33ba453c0f05d5518c183e48cbc9082fdcfa

          • memory/472-141-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/472-144-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/1264-138-0x0000000010480000-0x00000000104E5000-memory.dmp

            Filesize

            404KB

          • memory/1264-146-0x00000000104F0000-0x0000000010555000-memory.dmp

            Filesize

            404KB

          • memory/1264-133-0x0000000010410000-0x0000000010475000-memory.dmp

            Filesize

            404KB

          • memory/1264-151-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/1764-155-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/1764-154-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB

          • memory/1764-160-0x0000000010560000-0x00000000105C5000-memory.dmp

            Filesize

            404KB