Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 07:55

General

  • Target

    53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe.exe

  • Size

    1.3MB

  • MD5

    c45852cd0532c5fee63221cd16c23a5b

  • SHA1

    3efef25db176eaebfaaee452d9231418bbca9e71

  • SHA256

    53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe

  • SHA512

    cc1481b9a1b6baa571ade37cc45431060484517822f8b2aae2e3c674445c795c12f31fae0ea33e6651ec41da9106e899d8c0434b01b4c59d1d8ac5016e3ec21d

  • SSDEEP

    24576:IHQBkkFlK7MBWaReHtJWiLDpwHZ1aM99swQlIbYf6ZOklg:IwfC4BWEqWowHZB7QSOn

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

system

C2

system32.ddns.net:2000

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    svchost.exe

  • install_dir

    local

  • install_file

    host.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    123

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 1 IoCs

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

  • Drops file in System32 directory 3 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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • 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:2940
      • C:\Users\Admin\AppData\Local\Temp\53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe.exe
        "C:\Users\Admin\AppData\Local\Temp\53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2320
        • C:\Users\Admin\AppData\Local\Temp\53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe.exe
          "C:\Users\Admin\AppData\Local\Temp\53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe.exe"
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4744
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:3796
          • C:\Users\Admin\AppData\Local\Temp\53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe.exe
            "C:\Users\Admin\AppData\Local\Temp\53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe.exe"
            4⤵
            • Checks computer location settings
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:3648
            • C:\Windows\SysWOW64\local\host.exe
              "C:\Windows\system32\local\host.exe"
              5⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              PID:4224
              • C:\Windows\SysWOW64\local\host.exe
                "C:\Windows\SysWOW64\local\host.exe"
                6⤵
                • Executes dropped EXE
                PID:2244
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 572
                  7⤵
                  • Program crash
                  PID:2400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2244 -ip 2244
      1⤵
        PID:2280

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      2
      T1060

      Defense Evasion

      Modify Registry

      2
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        229KB

        MD5

        c06b4035793566c33dee91c937058212

        SHA1

        e249c01b5b1b91c5b07c7339b8d5f161662e7005

        SHA256

        fe62af0fb7e5e53b7089e72da9d2b34bcef43ca101ad6fb57aa1e829cc967563

        SHA512

        7371fb3ce44385142f61fb29b8703156b0f216fece3fad1c41882a7751c1b3be1dc6cee87385846886c21c433c1ec558f96e429d72fef3ad87047ea5f897044e

      • C:\Windows\SysWOW64\local\host.exe
        Filesize

        1.3MB

        MD5

        c45852cd0532c5fee63221cd16c23a5b

        SHA1

        3efef25db176eaebfaaee452d9231418bbca9e71

        SHA256

        53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe

        SHA512

        cc1481b9a1b6baa571ade37cc45431060484517822f8b2aae2e3c674445c795c12f31fae0ea33e6651ec41da9106e899d8c0434b01b4c59d1d8ac5016e3ec21d

      • C:\Windows\SysWOW64\local\host.exe
        Filesize

        1.3MB

        MD5

        c45852cd0532c5fee63221cd16c23a5b

        SHA1

        3efef25db176eaebfaaee452d9231418bbca9e71

        SHA256

        53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe

        SHA512

        cc1481b9a1b6baa571ade37cc45431060484517822f8b2aae2e3c674445c795c12f31fae0ea33e6651ec41da9106e899d8c0434b01b4c59d1d8ac5016e3ec21d

      • C:\Windows\SysWOW64\local\host.exe
        Filesize

        1.3MB

        MD5

        c45852cd0532c5fee63221cd16c23a5b

        SHA1

        3efef25db176eaebfaaee452d9231418bbca9e71

        SHA256

        53de2aafe5839792a0d37406af9bfb3d6aab7a2cffc012bd86825b52f882a8fe

        SHA512

        cc1481b9a1b6baa571ade37cc45431060484517822f8b2aae2e3c674445c795c12f31fae0ea33e6651ec41da9106e899d8c0434b01b4c59d1d8ac5016e3ec21d

      • memory/2244-173-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/2244-172-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/2244-168-0x0000000000000000-mapping.dmp
      • memory/3648-157-0x0000000000000000-mapping.dmp
      • memory/3648-174-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/3648-167-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/3648-161-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/3796-144-0x0000000000000000-mapping.dmp
      • memory/3796-148-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/3796-151-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4224-163-0x0000000000000000-mapping.dmp
      • memory/4744-145-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4744-162-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/4744-158-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/4744-153-0x00000000004E0000-0x0000000000542000-memory.dmp
        Filesize

        392KB

      • memory/4744-134-0x0000000000000000-mapping.dmp
      • memory/4744-140-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/4744-138-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/4744-137-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/4744-136-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/4744-135-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB