Analysis

  • max time kernel
    120s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2022 03:45

General

  • Target

    b7c199c6cb3e656294cf75e02e828bd9273d99199ba940fd024d9e61e46b1875.exe

  • Size

    520KB

  • MD5

    30ab83ae6de00faff66e13934eabe726

  • SHA1

    b64943229b340f42390e8f1ce4485e7eb0b491bf

  • SHA256

    b7c199c6cb3e656294cf75e02e828bd9273d99199ba940fd024d9e61e46b1875

  • SHA512

    d4e29040153bd735d435005f872e696da98f6eb842f5e9eb2b4ed2d995611cfb724b91e73a271e94a86129647ea5e767ad0f122b74cbd0d2f6013d637b9d1abd

  • SSDEEP

    12288:KrxFQyg/z+5VCQQQ0NDQft5lSAj14380wXotp:KrxWyg/RCfj14M0wXip

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

hacker

C2

bykabus.no-ip.biz:15963

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

    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 16 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 4 IoCs
  • Suspicious use of SetThreadContext 2 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 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3024
      • C:\Users\Admin\AppData\Local\Temp\b7c199c6cb3e656294cf75e02e828bd9273d99199ba940fd024d9e61e46b1875.exe
        "C:\Users\Admin\AppData\Local\Temp\b7c199c6cb3e656294cf75e02e828bd9273d99199ba940fd024d9e61e46b1875.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4844
        • C:\Users\Admin\AppData\Local\Temp\b7c199c6cb3e656294cf75e02e828bd9273d99199ba940fd024d9e61e46b1875.exe
          C:\Users\Admin\AppData\Local\Temp\b7c199c6cb3e656294cf75e02e828bd9273d99199ba940fd024d9e61e46b1875.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:4792
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:2576
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:4032
            • C:\Windows\SysWOW64\install\svchost.exe
              "C:\Windows\system32\install\svchost.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              PID:4016
              • C:\Windows\SysWOW64\install\svchost.exe
                C:\Windows\SysWOW64\install\svchost.exe
                6⤵
                • Executes dropped EXE
                PID:2448
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 564
                  7⤵
                  • Program crash
                  PID:1184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2448 -ip 2448
      1⤵
        PID:4092

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        229KB

        MD5

        dd66cbcdd1d2dd5f88274feace65d6d9

        SHA1

        7050e2d2ed26c6f922bfe84aacdaaa4365142c3f

        SHA256

        773b077510a3b5065deb5fb2db722e45ceaf70d39799471d88c30e69c9d6fdba

        SHA512

        46a2aaac3a7ae585b4b9bf9bd28e2015d1b38d2b83d505a04d56a7f1fb9fed88fc8716768773db65ae2f83029831c807a551dd7461207daedb72616287049620

      • C:\Windows\SysWOW64\install\svchost.exe
        Filesize

        520KB

        MD5

        30ab83ae6de00faff66e13934eabe726

        SHA1

        b64943229b340f42390e8f1ce4485e7eb0b491bf

        SHA256

        b7c199c6cb3e656294cf75e02e828bd9273d99199ba940fd024d9e61e46b1875

        SHA512

        d4e29040153bd735d435005f872e696da98f6eb842f5e9eb2b4ed2d995611cfb724b91e73a271e94a86129647ea5e767ad0f122b74cbd0d2f6013d637b9d1abd

      • C:\Windows\SysWOW64\install\svchost.exe
        Filesize

        520KB

        MD5

        30ab83ae6de00faff66e13934eabe726

        SHA1

        b64943229b340f42390e8f1ce4485e7eb0b491bf

        SHA256

        b7c199c6cb3e656294cf75e02e828bd9273d99199ba940fd024d9e61e46b1875

        SHA512

        d4e29040153bd735d435005f872e696da98f6eb842f5e9eb2b4ed2d995611cfb724b91e73a271e94a86129647ea5e767ad0f122b74cbd0d2f6013d637b9d1abd

      • C:\Windows\SysWOW64\install\svchost.exe
        Filesize

        520KB

        MD5

        30ab83ae6de00faff66e13934eabe726

        SHA1

        b64943229b340f42390e8f1ce4485e7eb0b491bf

        SHA256

        b7c199c6cb3e656294cf75e02e828bd9273d99199ba940fd024d9e61e46b1875

        SHA512

        d4e29040153bd735d435005f872e696da98f6eb842f5e9eb2b4ed2d995611cfb724b91e73a271e94a86129647ea5e767ad0f122b74cbd0d2f6013d637b9d1abd

      • memory/2448-171-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2448-170-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2448-169-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/2448-165-0x0000000000000000-mapping.dmp
      • memory/2576-145-0x0000000000000000-mapping.dmp
      • memory/2576-152-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/2576-149-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4016-161-0x0000000000000000-mapping.dmp
      • memory/4032-160-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/4032-172-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/4032-154-0x0000000000000000-mapping.dmp
      • memory/4032-158-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/4792-155-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/4792-159-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4792-134-0x0000000000000000-mapping.dmp
      • memory/4792-141-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/4792-139-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4792-138-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4792-137-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4792-135-0x0000000000400000-0x0000000000457000-memory.dmp
        Filesize

        348KB

      • memory/4792-146-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB