Analysis

  • max time kernel
    188s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 02:28

General

  • Target

    e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f.exe

  • Size

    364KB

  • MD5

    119f735ab4f92b3f3fdce5a08b274bcd

  • SHA1

    0d818bc6c4b43d6f8eb6876bc5b6ac0e87e5a0da

  • SHA256

    e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f

  • SHA512

    f505169a7a8c3e6752132013d4e5d65e8615cea6f4d11af8d7ac90c8dde763b5ae46554d3df80bffae89a4b8dcf23bdf650fd7c9e078fe39d5bcaca9e28787d4

  • SSDEEP

    6144:pOFeIYNWcb59gN0tsnQy0KIrJiBj+gGD4NqoDQy0VqVNSzabrpx7Bvl:/99u0tsnx0KIijQ4koUhiSza3pbvl

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

Los Reveldes

C2

losdelsur.sytes.net:81

Mutex

***MUTEX***

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

    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 18 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
  • 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:2180
      • C:\Users\Admin\AppData\Local\Temp\e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f.exe
        "C:\Users\Admin\AppData\Local\Temp\e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3180
        • C:\Users\Admin\AppData\Local\Temp\e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f.exe
          C:\Users\Admin\AppData\Local\Temp\e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4500
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:2200
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:2624
            • C:\Users\Admin\AppData\Local\Temp\e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f.exe
              "C:\Users\Admin\AppData\Local\Temp\e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f.exe"
              4⤵
              • Checks computer location settings
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:2668
              • C:\dir\install\install\server.exe
                "C:\dir\install\install\server.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:728
                • C:\dir\install\install\server.exe
                  C:\dir\install\install\server.exe
                  6⤵
                  • Executes dropped EXE
                  PID:4292
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 532
                    7⤵
                    • Program crash
                    PID:1748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4292 -ip 4292
        1⤵
          PID:4028

        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

          15fb558daa4ba9cac6d901ac0baa9e9b

          SHA1

          8bbef56f9bb010f6bdd0812ec2fc47bfca94ca35

          SHA256

          4376fc053070920945a33fb89767b3508d901171bd2a6f4ad870f61b2f2994d6

          SHA512

          5f7f1b0b291b21ea72791953dce9b2b31bb7e07b48ca2f605b27de40e950cf53e3dfeeb2b331991721ba1c838014bdadee53a009e42bff98e3f93394f4aa08e8

        • C:\dir\install\install\server.exe

          Filesize

          364KB

          MD5

          119f735ab4f92b3f3fdce5a08b274bcd

          SHA1

          0d818bc6c4b43d6f8eb6876bc5b6ac0e87e5a0da

          SHA256

          e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f

          SHA512

          f505169a7a8c3e6752132013d4e5d65e8615cea6f4d11af8d7ac90c8dde763b5ae46554d3df80bffae89a4b8dcf23bdf650fd7c9e078fe39d5bcaca9e28787d4

        • C:\dir\install\install\server.exe

          Filesize

          364KB

          MD5

          119f735ab4f92b3f3fdce5a08b274bcd

          SHA1

          0d818bc6c4b43d6f8eb6876bc5b6ac0e87e5a0da

          SHA256

          e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f

          SHA512

          f505169a7a8c3e6752132013d4e5d65e8615cea6f4d11af8d7ac90c8dde763b5ae46554d3df80bffae89a4b8dcf23bdf650fd7c9e078fe39d5bcaca9e28787d4

        • \??\c:\dir\install\install\server.exe

          Filesize

          364KB

          MD5

          119f735ab4f92b3f3fdce5a08b274bcd

          SHA1

          0d818bc6c4b43d6f8eb6876bc5b6ac0e87e5a0da

          SHA256

          e0c8f9af6a939a39e41c11fecaba5d3429f9b57bb0e6150fb66c977539f7de3f

          SHA512

          f505169a7a8c3e6752132013d4e5d65e8615cea6f4d11af8d7ac90c8dde763b5ae46554d3df80bffae89a4b8dcf23bdf650fd7c9e078fe39d5bcaca9e28787d4

        • memory/728-165-0x0000000000000000-mapping.dmp

        • memory/2200-145-0x0000000000000000-mapping.dmp

        • memory/2200-149-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/2200-150-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/2200-176-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB

        • memory/2668-164-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/2668-177-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/2668-158-0x0000000000000000-mapping.dmp

        • memory/2668-162-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/4292-175-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4292-174-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4292-173-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4292-169-0x0000000000000000-mapping.dmp

        • memory/4500-139-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4500-138-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4500-137-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4500-163-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4500-135-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/4500-159-0x0000000024160000-0x00000000241C2000-memory.dmp

          Filesize

          392KB

        • memory/4500-154-0x00000000240F0000-0x0000000024152000-memory.dmp

          Filesize

          392KB

        • memory/4500-134-0x0000000000000000-mapping.dmp

        • memory/4500-141-0x0000000024010000-0x0000000024072000-memory.dmp

          Filesize

          392KB

        • memory/4500-146-0x0000000024080000-0x00000000240E2000-memory.dmp

          Filesize

          392KB