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Analysis

  • max time kernel
    151s
  • max time network
    69s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 21:18

General

  • Target

    9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe

  • Size

    345KB

  • MD5

    6ea49203166f1850b63635d550283586

  • SHA1

    66452419b37aecd2bd6c9d0a3cff50798edf61b9

  • SHA256

    9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

  • SHA512

    9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

  • SSDEEP

    6144:+L9qDwTgZKzltsoNeM2wdE2TfRpOu4epdetelUr21JR23JIShC8S:+Ll0ZKzFP2WAYOElLbOa

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

PCmio

C2

carlostutor.no-ip.biz:8080

Mutex

W8K50KBIH20R0D

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    666666

  • 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 10 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: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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:1396
      • C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe
        "C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1504
        • C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe
          "C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.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 behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1476
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:1936
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:976
            • C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe
              "C:\Users\Admin\AppData\Local\Temp\9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab.exe"
              4⤵
              • Loads dropped DLL
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1092
              • C:\Windows\SysWOW64\install\server.exe
                "C:\Windows\system32\install\server.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:1488
                • C:\Windows\SysWOW64\install\server.exe
                  "C:\Windows\SysWOW64\install\server.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:1128

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        Filesize

        224KB

        MD5

        e52404f08e9187be66bcc9f7092ed35f

        SHA1

        963c4fd2d1adfa52041aea9e4777285f9b30c5ec

        SHA256

        1a2b061f599ec193be7091fffeadb8cb797a3856fcf4f3726f044a819f3b12f4

        SHA512

        8b7c55b97c2440b754d307b2a664bc44bed30c81c266559b329220bdb7ed6449528555f7f2eeca538a7608a6397a9b559a4fef189c78e281179f96be7cd6512b

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

        Filesize

        345KB

        MD5

        6ea49203166f1850b63635d550283586

        SHA1

        66452419b37aecd2bd6c9d0a3cff50798edf61b9

        SHA256

        9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

        SHA512

        9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

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

        Filesize

        345KB

        MD5

        6ea49203166f1850b63635d550283586

        SHA1

        66452419b37aecd2bd6c9d0a3cff50798edf61b9

        SHA256

        9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

        SHA512

        9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

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

        Filesize

        345KB

        MD5

        6ea49203166f1850b63635d550283586

        SHA1

        66452419b37aecd2bd6c9d0a3cff50798edf61b9

        SHA256

        9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

        SHA512

        9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

      • \Windows\SysWOW64\install\server.exe

        Filesize

        345KB

        MD5

        6ea49203166f1850b63635d550283586

        SHA1

        66452419b37aecd2bd6c9d0a3cff50798edf61b9

        SHA256

        9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

        SHA512

        9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

      • \Windows\SysWOW64\install\server.exe

        Filesize

        345KB

        MD5

        6ea49203166f1850b63635d550283586

        SHA1

        66452419b37aecd2bd6c9d0a3cff50798edf61b9

        SHA256

        9523f709722096407cf0f190159bd7c8d40feadb6665ba08e3869382d6c626ab

        SHA512

        9da9aec9789a7f1871edabea879643b6bbca5ea29e9af3a2178d996e7a0dd43c45e9fcf231c2ae0c45d5e2fc96ef999a7c69f70a7277a05cef428edaad345196

      • memory/1092-93-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1092-111-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1092-95-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1128-109-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1128-108-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1128-107-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1396-66-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/1476-63-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/1476-58-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1476-88-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/1476-94-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1476-82-0x00000000104F0000-0x0000000010555000-memory.dmp

        Filesize

        404KB

      • memory/1476-61-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1476-60-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1476-72-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/1476-59-0x00000000768A1000-0x00000000768A3000-memory.dmp

        Filesize

        8KB

      • memory/1476-56-0x0000000000400000-0x0000000000451000-memory.dmp

        Filesize

        324KB

      • memory/1936-78-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/1936-77-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/1936-71-0x0000000075051000-0x0000000075053000-memory.dmp

        Filesize

        8KB

      • memory/1936-110-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB