Analysis

  • max time kernel
    170s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2022 07:15

General

  • Target

    e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09.exe

  • Size

    560KB

  • MD5

    54c76a097030347379ba021742244b07

  • SHA1

    dea76310c3ee93c4e4c08a5591f5162fef2da5cb

  • SHA256

    e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09

  • SHA512

    59329cd544cbd4fb449bc0ddd8afe32116a78deb2e0f2762fa25ae1a72dd5c0e46ebf52f163f7fd214b43d492e79a58246e207550c50d0f4bbb8f8c5ddf08866

  • SSDEEP

    12288:pRB0qRa3DtkVQ9YCdXUNDdhPFHMRWFHS4AhguK63/5:pUqRoDtlYgXYNFHIhK6R

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Victime

C2

buls.no-ip.biz:80

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    System32

  • install_file

    svchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • 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.

  • 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 2 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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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:2484
      • C:\Users\Admin\AppData\Local\Temp\e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09.exe
        "C:\Users\Admin\AppData\Local\Temp\e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4184
        • C:\Users\Admin\AppData\Local\Temp\e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09.exe
          C:\Users\Admin\AppData\Local\Temp\e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09.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:4992
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4188
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1600
            • C:\Users\Admin\AppData\Local\Temp\e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09.exe
              "C:\Users\Admin\AppData\Local\Temp\e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09.exe"
              4⤵
              • Checks computer location settings
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1256
              • C:\Users\Admin\AppData\Roaming\System32\svchost.exe
                "C:\Users\Admin\AppData\Roaming\System32\svchost.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:3892
                • C:\Users\Admin\AppData\Roaming\System32\svchost.exe
                  C:\Users\Admin\AppData\Roaming\System32\svchost.exe
                  6⤵
                  • Executes dropped EXE
                  PID:1420
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 536
                    7⤵
                    • Program crash
                    PID:5104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1420 -ip 1420
        1⤵
          PID:4268

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        3
        T1060

        Defense Evasion

        Modify Registry

        3
        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

          bcfff1b8778c79e6cb6d34a1c2d7bd5d

          SHA1

          b69b3cf7ae5a198e7d3fe57b9d1836906ea4acef

          SHA256

          96993b2469f5537765218aab405ccb224f12c5492121217d9ef9afc0bf33325b

          SHA512

          622cdfade86d1c40e4850380dce6b896a8a622a5e7f2d1685ad7c00344b4634c709550b42e564d2de30555bea76930bd2ce6b73890abb68851ea5765d3977df8

        • C:\Users\Admin\AppData\Roaming\System32\svchost.exe
          Filesize

          560KB

          MD5

          54c76a097030347379ba021742244b07

          SHA1

          dea76310c3ee93c4e4c08a5591f5162fef2da5cb

          SHA256

          e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09

          SHA512

          59329cd544cbd4fb449bc0ddd8afe32116a78deb2e0f2762fa25ae1a72dd5c0e46ebf52f163f7fd214b43d492e79a58246e207550c50d0f4bbb8f8c5ddf08866

        • C:\Users\Admin\AppData\Roaming\System32\svchost.exe
          Filesize

          560KB

          MD5

          54c76a097030347379ba021742244b07

          SHA1

          dea76310c3ee93c4e4c08a5591f5162fef2da5cb

          SHA256

          e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09

          SHA512

          59329cd544cbd4fb449bc0ddd8afe32116a78deb2e0f2762fa25ae1a72dd5c0e46ebf52f163f7fd214b43d492e79a58246e207550c50d0f4bbb8f8c5ddf08866

        • C:\Users\Admin\AppData\Roaming\System32\svchost.exe
          Filesize

          560KB

          MD5

          54c76a097030347379ba021742244b07

          SHA1

          dea76310c3ee93c4e4c08a5591f5162fef2da5cb

          SHA256

          e5fd547cb06be9ecdf8e0e48968ec2fc5e6f54588f236c9d6ce65a46439aef09

          SHA512

          59329cd544cbd4fb449bc0ddd8afe32116a78deb2e0f2762fa25ae1a72dd5c0e46ebf52f163f7fd214b43d492e79a58246e207550c50d0f4bbb8f8c5ddf08866

        • memory/1256-184-0x0000000024160000-0x00000000241C2000-memory.dmp
          Filesize

          392KB

        • memory/1256-169-0x0000000024160000-0x00000000241C2000-memory.dmp
          Filesize

          392KB

        • memory/1256-167-0x0000000024160000-0x00000000241C2000-memory.dmp
          Filesize

          392KB

        • memory/1256-163-0x0000000000000000-mapping.dmp
        • memory/1420-182-0x0000000000400000-0x0000000000450000-memory.dmp
          Filesize

          320KB

        • memory/1420-179-0x0000000000400000-0x0000000000450000-memory.dmp
          Filesize

          320KB

        • memory/1420-175-0x0000000000000000-mapping.dmp
        • memory/3892-170-0x0000000000000000-mapping.dmp
        • memory/3892-181-0x00000000022A0000-0x00000000022D9000-memory.dmp
          Filesize

          228KB

        • memory/3892-172-0x0000000000400000-0x000000000048E000-memory.dmp
          Filesize

          568KB

        • memory/3892-180-0x0000000000400000-0x000000000048E000-memory.dmp
          Filesize

          568KB

        • memory/4184-142-0x0000000000720000-0x0000000000759000-memory.dmp
          Filesize

          228KB

        • memory/4184-137-0x0000000000400000-0x000000000048E000-memory.dmp
          Filesize

          568KB

        • memory/4184-139-0x00000000005D0000-0x00000000005D4000-memory.dmp
          Filesize

          16KB

        • memory/4184-141-0x0000000000400000-0x000000000048E000-memory.dmp
          Filesize

          568KB

        • memory/4184-140-0x0000000000720000-0x0000000000759000-memory.dmp
          Filesize

          228KB

        • memory/4184-132-0x0000000000400000-0x000000000048E000-memory.dmp
          Filesize

          568KB

        • memory/4188-150-0x0000000000000000-mapping.dmp
        • memory/4188-155-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/4188-154-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/4188-183-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/4992-144-0x0000000000400000-0x0000000000450000-memory.dmp
          Filesize

          320KB

        • memory/4992-138-0x0000000000400000-0x0000000000450000-memory.dmp
          Filesize

          320KB

        • memory/4992-168-0x0000000000400000-0x0000000000450000-memory.dmp
          Filesize

          320KB

        • memory/4992-164-0x0000000024160000-0x00000000241C2000-memory.dmp
          Filesize

          392KB

        • memory/4992-136-0x0000000000400000-0x0000000000450000-memory.dmp
          Filesize

          320KB

        • memory/4992-143-0x0000000000400000-0x0000000000450000-memory.dmp
          Filesize

          320KB

        • memory/4992-159-0x00000000240F0000-0x0000000024152000-memory.dmp
          Filesize

          392KB

        • memory/4992-146-0x0000000024010000-0x0000000024072000-memory.dmp
          Filesize

          392KB

        • memory/4992-151-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/4992-135-0x0000000000000000-mapping.dmp