Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 17:15

General

  • Target

    a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388.exe

  • Size

    319KB

  • MD5

    5c20f1a33528750005c230ac79df3f9d

  • SHA1

    12b63b2b253e6190144525255369dcd816d2ea33

  • SHA256

    a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388

  • SHA512

    c54f6ed10563af06627bae6c2713edf81f2d9c9bdd660956403d10e948ffe3d6fe1d8ff8e3e34525664aa5c9b9fe2cf33d74e6e3f6fbcbd22316202ea58f6dcb

  • SSDEEP

    6144:GykeiVBqw7CDlyaVRs5UFQxc39+5oYyWZzG4J5ZZpT:GlCxVRsW1E50AzfzZd

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

yenileme

C2

fake1993.dyndns.org:369

Mutex

akllah

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Mesenger

  • install_file

    msnmsgr.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    1111

  • regkey_hkcu

    Windowslive

  • regkey_hklm

    Windowslive

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.

  • 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.

  • Modifies registry class 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:2152
      • C:\Users\Admin\AppData\Local\Temp\a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388.exe
        "C:\Users\Admin\AppData\Local\Temp\a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4680
        • C:\Users\Admin\AppData\Local\Temp\a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388.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:1704
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:3088
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:452
            • C:\Users\Admin\AppData\Local\Temp\a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388.exe
              "C:\Users\Admin\AppData\Local\Temp\a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:3360
              • C:\Windows\SysWOW64\Mesenger\msnmsgr.exe
                "C:\Windows\system32\Mesenger\msnmsgr.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:724
                • C:\Windows\SysWOW64\Mesenger\msnmsgr.exe
                  6⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:832

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

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

              Filesize

              229KB

              MD5

              cd596b4a4ad9f31a8f3e6a462d637676

              SHA1

              84f219345863861192036bc4b2f5d7f3558b6ea9

              SHA256

              28cd9bdd7ed2d242689f3be62c341cdc0e897b0ea18c467ddcc70da9a7ce70fe

              SHA512

              387b0c1b4b89c78d69386c9552146f45647fe3d10d6687f38c20c9fbb412065effa708a0269a45e4cbfb7770a191ae99c7b282d9079a1a42a0a1fb981b7ed44a

            • C:\Windows\SysWOW64\Mesenger\msnmsgr.exe

              Filesize

              319KB

              MD5

              5c20f1a33528750005c230ac79df3f9d

              SHA1

              12b63b2b253e6190144525255369dcd816d2ea33

              SHA256

              a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388

              SHA512

              c54f6ed10563af06627bae6c2713edf81f2d9c9bdd660956403d10e948ffe3d6fe1d8ff8e3e34525664aa5c9b9fe2cf33d74e6e3f6fbcbd22316202ea58f6dcb

            • C:\Windows\SysWOW64\Mesenger\msnmsgr.exe

              Filesize

              319KB

              MD5

              5c20f1a33528750005c230ac79df3f9d

              SHA1

              12b63b2b253e6190144525255369dcd816d2ea33

              SHA256

              a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388

              SHA512

              c54f6ed10563af06627bae6c2713edf81f2d9c9bdd660956403d10e948ffe3d6fe1d8ff8e3e34525664aa5c9b9fe2cf33d74e6e3f6fbcbd22316202ea58f6dcb

            • C:\Windows\SysWOW64\Mesenger\msnmsgr.exe

              Filesize

              319KB

              MD5

              5c20f1a33528750005c230ac79df3f9d

              SHA1

              12b63b2b253e6190144525255369dcd816d2ea33

              SHA256

              a92406ea023ff1a3121b28ffc45f105ab6192d7e2f724831df357a2763925388

              SHA512

              c54f6ed10563af06627bae6c2713edf81f2d9c9bdd660956403d10e948ffe3d6fe1d8ff8e3e34525664aa5c9b9fe2cf33d74e6e3f6fbcbd22316202ea58f6dcb

            • memory/832-175-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/832-174-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/832-173-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/1704-153-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/1704-145-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1704-135-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/1704-136-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/1704-158-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1704-162-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/1704-137-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/1704-138-0x0000000000400000-0x000000000044E000-memory.dmp

              Filesize

              312KB

            • memory/1704-140-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/3088-148-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/3088-151-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/3360-168-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/3360-163-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/3360-161-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB