Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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, 02:20

General

  • Target

    8613c05be5145e6b5aa0c1a3be8c9b69e461d3229e1a3a52bc15a0f32bb6fa77.exe

  • Size

    2.1MB

  • MD5

    4d4a23fc979d22ad6151a7c4cb10f0ad

  • SHA1

    5940ee2af9807572173f0ebab61a473e32d014d1

  • SHA256

    8613c05be5145e6b5aa0c1a3be8c9b69e461d3229e1a3a52bc15a0f32bb6fa77

  • SHA512

    c40f5f15adf77bac70632dc9536d8b74eeae017bea40fe3e3521b4120b16b6d760255af54aad19ab37f9d42b79a6e1991cf706bfcb789165ca74a8b43e2baf2d

  • SSDEEP

    49152:CJ4JHZ/rtFoj8aj/32SkLMaWHVJdw2aG4vflkcRRRxwNCa/vf:CuJp7owQfNo/OmnLvf6cRRIX

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

martin.game-server.cc:81

martin.game-server.cc:80

martin.game-server.cc:133

martin.game-server.cc:27015

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

    notepad.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    The program found a problem and closed

  • message_box_title

    C++ Run Time Error

  • 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 2 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2348
      • C:\Users\Admin\AppData\Local\Temp\8613c05be5145e6b5aa0c1a3be8c9b69e461d3229e1a3a52bc15a0f32bb6fa77.exe
        "C:\Users\Admin\AppData\Local\Temp\8613c05be5145e6b5aa0c1a3be8c9b69e461d3229e1a3a52bc15a0f32bb6fa77.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2732
        • C:\Users\Admin\AppData\Local\Temp\8613c05be5145e6b5aa0c1a3be8c9b69e461d3229e1a3a52bc15a0f32bb6fa77.exe
          "C:\Users\Admin\AppData\Local\Temp\8613c05be5145e6b5aa0c1a3be8c9b69e461d3229e1a3a52bc15a0f32bb6fa77.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:4016
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:4904
            • C:\Users\Admin\AppData\Local\Temp\scrolling4fun4.exe
              "C:\Users\Admin\AppData\Local\Temp\scrolling4fun4.exe"
              5⤵
              • Executes dropped EXE
              PID:688
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 912
                6⤵
                • Program crash
                PID:4728
            • C:\Users\Admin\AppData\Roaming\system32\notepad.exe
              "C:\Users\Admin\AppData\Roaming\system32\notepad.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:4528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 688 -ip 688
      1⤵
        PID:4192

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        3.0MB

        MD5

        ff5244a97e9bb857a12905cf272f271e

        SHA1

        28bdc51dcdb9c2089c9534e63347e4fc25019b46

        SHA256

        83273b5ba0f72832f1cce05a0a64d12c934cdbf226a109fd8f5ef9dfe0111349

        SHA512

        0c2dbe9b315fdf19932716beca79b938c8c9269f3d5fccc9a436dd5dd66e0ea28ba61c7f35e7f25369b53273285b19827354852953217752dc753b581c91fb46

      • C:\Users\Admin\AppData\Local\Temp\scrolling4fun4.exe

        Filesize

        2.8MB

        MD5

        1311413b006869ec19683898f9e2c64d

        SHA1

        fe57172739158b7bde79f4a3987a111457f606a0

        SHA256

        8e7a64a3b35352dadd420528b42d9bf8e809a60ecdd5c8fd4ddac76ba688df1a

        SHA512

        bcceec73051d0ecc19311b16622e421621c3991a9a6a58bc0d3b61be19b8e13b03070ee408d54ced8e5ea67460fe672812f0e4aa44559f8a7b0b7d8b8871f279

      • C:\Users\Admin\AppData\Local\Temp\scrolling4fun4.exe

        Filesize

        2.8MB

        MD5

        1311413b006869ec19683898f9e2c64d

        SHA1

        fe57172739158b7bde79f4a3987a111457f606a0

        SHA256

        8e7a64a3b35352dadd420528b42d9bf8e809a60ecdd5c8fd4ddac76ba688df1a

        SHA512

        bcceec73051d0ecc19311b16622e421621c3991a9a6a58bc0d3b61be19b8e13b03070ee408d54ced8e5ea67460fe672812f0e4aa44559f8a7b0b7d8b8871f279

      • C:\Users\Admin\AppData\Roaming\system32\notepad.exe

        Filesize

        2.1MB

        MD5

        4d4a23fc979d22ad6151a7c4cb10f0ad

        SHA1

        5940ee2af9807572173f0ebab61a473e32d014d1

        SHA256

        8613c05be5145e6b5aa0c1a3be8c9b69e461d3229e1a3a52bc15a0f32bb6fa77

        SHA512

        c40f5f15adf77bac70632dc9536d8b74eeae017bea40fe3e3521b4120b16b6d760255af54aad19ab37f9d42b79a6e1991cf706bfcb789165ca74a8b43e2baf2d

      • C:\Users\Admin\AppData\Roaming\system32\notepad.exe

        Filesize

        2.1MB

        MD5

        4d4a23fc979d22ad6151a7c4cb10f0ad

        SHA1

        5940ee2af9807572173f0ebab61a473e32d014d1

        SHA256

        8613c05be5145e6b5aa0c1a3be8c9b69e461d3229e1a3a52bc15a0f32bb6fa77

        SHA512

        c40f5f15adf77bac70632dc9536d8b74eeae017bea40fe3e3521b4120b16b6d760255af54aad19ab37f9d42b79a6e1991cf706bfcb789165ca74a8b43e2baf2d

      • memory/4016-138-0x0000000000400000-0x0000000000731000-memory.dmp

        Filesize

        3.2MB

      • memory/4016-146-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4016-150-0x0000000000400000-0x0000000000731000-memory.dmp

        Filesize

        3.2MB

      • memory/4016-141-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/4016-139-0x0000000000400000-0x0000000000731000-memory.dmp

        Filesize

        3.2MB

      • memory/4016-137-0x0000000000400000-0x0000000000731000-memory.dmp

        Filesize

        3.2MB

      • memory/4016-135-0x0000000000400000-0x0000000000731000-memory.dmp

        Filesize

        3.2MB

      • memory/4904-149-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4904-153-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4904-161-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB