Analysis

  • max time kernel
    152s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 22:57

General

  • Target

    5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4.exe

  • Size

    439KB

  • MD5

    ad953628e1841dc205a8449319a6366b

  • SHA1

    2d855368aa2dac31256bfed1b47ff82b33890b91

  • SHA256

    5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4

  • SHA512

    5ba76c28d4b38ca40d69493bcf8d124d0a5c714c7fa66dc925aac8107bc72d5f8805c57d363a79f07785e2e75a54c8e8fa8264665b9b77006c4cc78de6ef5295

  • SSDEEP

    6144:ERdFU+MTOi3WxFj1znJOaX6tLlhoZDJyf+jaqP13Ivi2RSKL5UfP6bjiNMvSgaXw:EFUfDcALjfwUlfUfP6b6RNg0z0MH+S+

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Alaturka

C2

127.0.0.1:81

kralcoder.no-ip.org:81

Mutex

***Msdfsfdrgdrg**

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Fonts

  • install_file

    cffmon.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hklm

    cffmon

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 20 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1412
      • C:\Users\Admin\AppData\Local\Temp\5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4.exe
        "C:\Users\Admin\AppData\Local\Temp\5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1508
        • C:\Users\Admin\AppData\Local\Temp\5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4.exe
          "C:\Users\Admin\AppData\Local\Temp\5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4.exe"
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1588
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:1636
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:816
            • C:\Users\Admin\AppData\Local\Temp\5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4.exe
              "C:\Users\Admin\AppData\Local\Temp\5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in Program Files directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1624
              • C:\Program Files (x86)\Fonts\cffmon.exe
                "C:\Program Files (x86)\Fonts\cffmon.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:1596
                • C:\Program Files (x86)\Fonts\cffmon.exe
                  "C:\Program Files (x86)\Fonts\cffmon.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:1400

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Fonts\cffmon.exe
        Filesize

        439KB

        MD5

        ad953628e1841dc205a8449319a6366b

        SHA1

        2d855368aa2dac31256bfed1b47ff82b33890b91

        SHA256

        5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4

        SHA512

        5ba76c28d4b38ca40d69493bcf8d124d0a5c714c7fa66dc925aac8107bc72d5f8805c57d363a79f07785e2e75a54c8e8fa8264665b9b77006c4cc78de6ef5295

      • C:\Program Files (x86)\Fonts\cffmon.exe
        Filesize

        439KB

        MD5

        ad953628e1841dc205a8449319a6366b

        SHA1

        2d855368aa2dac31256bfed1b47ff82b33890b91

        SHA256

        5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4

        SHA512

        5ba76c28d4b38ca40d69493bcf8d124d0a5c714c7fa66dc925aac8107bc72d5f8805c57d363a79f07785e2e75a54c8e8fa8264665b9b77006c4cc78de6ef5295

      • C:\Program Files (x86)\Fonts\cffmon.exe
        Filesize

        439KB

        MD5

        ad953628e1841dc205a8449319a6366b

        SHA1

        2d855368aa2dac31256bfed1b47ff82b33890b91

        SHA256

        5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4

        SHA512

        5ba76c28d4b38ca40d69493bcf8d124d0a5c714c7fa66dc925aac8107bc72d5f8805c57d363a79f07785e2e75a54c8e8fa8264665b9b77006c4cc78de6ef5295

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

        229KB

        MD5

        c21c97e8b6cfddee8b0abed72c58c602

        SHA1

        ae3789e8101cdb5eec94169c601b86a9b9c2ef44

        SHA256

        e9aeabc428e9650abac765172e2dc3165f4aa5e70a24d321daa4e93ce8afa398

        SHA512

        1f84896b4fe20a4a634c32af7247b11db0c4274b723e189de0288e5b2cff4a837ef472bc34a61dd30d7eac1befc47cc023ba95fb43a2a8f3a196dc5824f4023b

      • \Program Files (x86)\Fonts\cffmon.exe
        Filesize

        439KB

        MD5

        ad953628e1841dc205a8449319a6366b

        SHA1

        2d855368aa2dac31256bfed1b47ff82b33890b91

        SHA256

        5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4

        SHA512

        5ba76c28d4b38ca40d69493bcf8d124d0a5c714c7fa66dc925aac8107bc72d5f8805c57d363a79f07785e2e75a54c8e8fa8264665b9b77006c4cc78de6ef5295

      • \Program Files (x86)\Fonts\cffmon.exe
        Filesize

        439KB

        MD5

        ad953628e1841dc205a8449319a6366b

        SHA1

        2d855368aa2dac31256bfed1b47ff82b33890b91

        SHA256

        5bb8a43cdc56c5ae2be4541bd4fedb2e219da5546076c4e3a157015a81bbeaf4

        SHA512

        5ba76c28d4b38ca40d69493bcf8d124d0a5c714c7fa66dc925aac8107bc72d5f8805c57d363a79f07785e2e75a54c8e8fa8264665b9b77006c4cc78de6ef5295

      • memory/1400-115-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1400-116-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1400-111-0x00000000004535E0-mapping.dmp
      • memory/1400-119-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1400-120-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1412-71-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/1508-54-0x0000000075451000-0x0000000075453000-memory.dmp
        Filesize

        8KB

      • memory/1508-117-0x00000000741F0000-0x000000007479B000-memory.dmp
        Filesize

        5.7MB

      • memory/1508-55-0x00000000741F0000-0x000000007479B000-memory.dmp
        Filesize

        5.7MB

      • memory/1588-66-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1588-61-0x00000000004535E0-mapping.dmp
      • memory/1588-77-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/1588-56-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1588-87-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/1588-57-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1588-93-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1588-59-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1588-98-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1588-60-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1588-64-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1588-65-0x0000000000400000-0x0000000000455000-memory.dmp
        Filesize

        340KB

      • memory/1588-68-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/1596-103-0x0000000000000000-mapping.dmp
      • memory/1596-118-0x00000000741F0000-0x000000007479B000-memory.dmp
        Filesize

        5.7MB

      • memory/1596-122-0x00000000741F0000-0x000000007479B000-memory.dmp
        Filesize

        5.7MB

      • memory/1624-100-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1624-99-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1624-91-0x0000000000000000-mapping.dmp
      • memory/1624-121-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/1636-74-0x0000000000000000-mapping.dmp
      • memory/1636-76-0x0000000071BB1000-0x0000000071BB3000-memory.dmp
        Filesize

        8KB

      • memory/1636-82-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/1636-85-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB