Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2022 13:52

General

  • Target

    8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064.exe

  • Size

    654KB

  • MD5

    03bb170bf1575467b276c0e66652f0aa

  • SHA1

    6dc55d348d61bb2afdd48b8f0687b21c0604ded3

  • SHA256

    8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064

  • SHA512

    12d89e190827ee656ca3ba9bd38bbb9622fdef2977a0f7f3147fb64f313ceef0b1090d76984d2ccdd9261e6989bfc4798298a1d5e81b6395be1904a25320f43e

  • SSDEEP

    12288:/xc1uYDDDFOgLqwZ4ClFDrFkJH48K+aXS:K1uYDDDFFvnlF3FkJFKbXS

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Revolucion2

C2

asser.sytes.net:80

188.36.0.182:80

Mutex

*revolucion*

Attributes
  • enable_keylogger

    false

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Temp

  • install_file

    taskmgr.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hkcu

    Update

  • regkey_hklm

    Update

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.

  • 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 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:2640
      • C:\Users\Admin\AppData\Local\Temp\8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064.exe
        "C:\Users\Admin\AppData\Local\Temp\8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1872
        • C:\Users\Admin\AppData\Local\Temp\8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064.exe
          "C:\Users\Admin\AppData\Local\Temp\8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064.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:5016
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4180
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:2544
            • C:\Users\Admin\AppData\Local\Temp\8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064.exe
              "C:\Users\Admin\AppData\Local\Temp\8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              PID:4264
              • C:\Windows\SysWOW64\Temp\taskmgr.exe
                "C:\Windows\system32\Temp\taskmgr.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:2092
                • C:\Windows\SysWOW64\Temp\taskmgr.exe
                  "C:\Windows\SysWOW64\Temp\taskmgr.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:396

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        229KB

        MD5

        55247ae671cfb2db3a48f4e8334f234c

        SHA1

        98c5836d05594a8affe39952d1648ecc87771bc6

        SHA256

        07b70ac047598207ae4f062fb6bc78ee31c40303f02638c7f16b205848aaa985

        SHA512

        e8d42c096d0b1a3080a054f33ab886aa67c37485972844be320f03de244a32333a3e9565f924872cb450b02a79b40513519712c3fa10c4c7f83b1a8b561f6042

      • C:\Windows\SysWOW64\Temp\taskmgr.exe

        Filesize

        654KB

        MD5

        03bb170bf1575467b276c0e66652f0aa

        SHA1

        6dc55d348d61bb2afdd48b8f0687b21c0604ded3

        SHA256

        8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064

        SHA512

        12d89e190827ee656ca3ba9bd38bbb9622fdef2977a0f7f3147fb64f313ceef0b1090d76984d2ccdd9261e6989bfc4798298a1d5e81b6395be1904a25320f43e

      • C:\Windows\SysWOW64\Temp\taskmgr.exe

        Filesize

        654KB

        MD5

        03bb170bf1575467b276c0e66652f0aa

        SHA1

        6dc55d348d61bb2afdd48b8f0687b21c0604ded3

        SHA256

        8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064

        SHA512

        12d89e190827ee656ca3ba9bd38bbb9622fdef2977a0f7f3147fb64f313ceef0b1090d76984d2ccdd9261e6989bfc4798298a1d5e81b6395be1904a25320f43e

      • C:\Windows\SysWOW64\Temp\taskmgr.exe

        Filesize

        654KB

        MD5

        03bb170bf1575467b276c0e66652f0aa

        SHA1

        6dc55d348d61bb2afdd48b8f0687b21c0604ded3

        SHA256

        8f737f58a4d88e52f6ff5e22e657888097b004e967af8f0708e5e64258fb6064

        SHA512

        12d89e190827ee656ca3ba9bd38bbb9622fdef2977a0f7f3147fb64f313ceef0b1090d76984d2ccdd9261e6989bfc4798298a1d5e81b6395be1904a25320f43e

      • memory/396-174-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/396-173-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/396-172-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/396-168-0x0000000000000000-mapping.dmp

      • memory/2092-163-0x0000000000000000-mapping.dmp

      • memory/4180-144-0x0000000000000000-mapping.dmp

      • memory/4180-149-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4180-148-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4180-175-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4264-176-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/4264-157-0x0000000000000000-mapping.dmp

      • memory/4264-167-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/4264-161-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/5016-134-0x0000000000000000-mapping.dmp

      • memory/5016-145-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/5016-162-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/5016-140-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/5016-138-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/5016-137-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/5016-136-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/5016-135-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/5016-158-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/5016-153-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB