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Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 10:19

General

  • Target

    9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a.exe

  • Size

    436KB

  • MD5

    b4665c03226556d126ee33dbb9e73c88

  • SHA1

    a36abb1dd23f3a696cee27b7ffd3babedfdb0fce

  • SHA256

    9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a

  • SHA512

    da9992f796d6bc6eff9ec8f2f43cbaffa2ea1dfb98cf8afea25388502250078257878232659f3d771f41c78b484e1239394ad83603e50f377031b131a7de9f40

  • SSDEEP

    12288:KnHLkcsECEvOAEZzB2tDBZtQYdIhJ9tazfpYIxe:kHLkcUEvP+63tQYdMXwzhxe

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

ÖÍíÉ

C2

hiddenspy.no-ip.biz:288

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    svchost.exe

  • install_file

    windows.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    t?tulo da mensagem

  • password

    abcd1234

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.

  • Drops file in System32 directory 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 4 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:776
      • C:\Users\Admin\AppData\Local\Temp\9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a.exe
        "C:\Users\Admin\AppData\Local\Temp\9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1048
        • C:\Users\Admin\AppData\Local\Temp\9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a.exe
          C:\Users\Admin\AppData\Local\Temp\9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a.exe
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2228
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:2996
          • C:\Users\Admin\AppData\Local\Temp\9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a.exe
            "C:\Users\Admin\AppData\Local\Temp\9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a.exe"
            4⤵
            • Checks computer location settings
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:3844
            • C:\windows\SysWOW64\microsoft\windows.exe
              "C:\windows\system32\microsoft\windows.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of SetWindowsHookEx
              PID:3156
              • C:\windows\SysWOW64\microsoft\windows.exe
                C:\windows\SysWOW64\microsoft\windows.exe
                6⤵
                • Executes dropped EXE
                PID:3732
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 228
                  7⤵
                  • Program crash
                  PID:2204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3732 -ip 3732
      1⤵
        PID:4640

      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

        d9fcf6d393eae10d0cbe166718d58855

        SHA1

        e4da0ece819504d4caf3c5b5b78e2d1a72d78e69

        SHA256

        4c9d1798d915df6cdaed43b52228bbaa37d715c08cf9cfaa832f572a61615378

        SHA512

        fb707ddbfff834214419ae1ff27189b9a9899d49cd0505d8528bd35bd659300a897c03cc4c38939d4ed991c2dfa3afce4d781f938423aa2b7e3d808f3c583a07

      • C:\Windows\SysWOW64\microsoft\windows.exe

        Filesize

        436KB

        MD5

        b4665c03226556d126ee33dbb9e73c88

        SHA1

        a36abb1dd23f3a696cee27b7ffd3babedfdb0fce

        SHA256

        9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a

        SHA512

        da9992f796d6bc6eff9ec8f2f43cbaffa2ea1dfb98cf8afea25388502250078257878232659f3d771f41c78b484e1239394ad83603e50f377031b131a7de9f40

      • C:\Windows\SysWOW64\microsoft\windows.exe

        Filesize

        436KB

        MD5

        b4665c03226556d126ee33dbb9e73c88

        SHA1

        a36abb1dd23f3a696cee27b7ffd3babedfdb0fce

        SHA256

        9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a

        SHA512

        da9992f796d6bc6eff9ec8f2f43cbaffa2ea1dfb98cf8afea25388502250078257878232659f3d771f41c78b484e1239394ad83603e50f377031b131a7de9f40

      • \??\c:\windows\SysWOW64\microsoft\windows.exe

        Filesize

        436KB

        MD5

        b4665c03226556d126ee33dbb9e73c88

        SHA1

        a36abb1dd23f3a696cee27b7ffd3babedfdb0fce

        SHA256

        9a628265c2dd41cbf8e666d6aa84dd62146edf03e103bd2561cbdbf324b1577a

        SHA512

        da9992f796d6bc6eff9ec8f2f43cbaffa2ea1dfb98cf8afea25388502250078257878232659f3d771f41c78b484e1239394ad83603e50f377031b131a7de9f40

      • memory/1048-143-0x00000000020B0000-0x00000000020E9000-memory.dmp

        Filesize

        228KB

      • memory/1048-136-0x00000000020B0000-0x00000000020E9000-memory.dmp

        Filesize

        228KB

      • memory/1048-135-0x00000000004E0000-0x00000000004E4000-memory.dmp

        Filesize

        16KB

      • memory/1048-134-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/1048-132-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/1048-141-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/2228-164-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/2228-142-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2228-139-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2228-151-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/2228-140-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2228-168-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2228-144-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2228-159-0x0000000002040000-0x00000000020A2000-memory.dmp

        Filesize

        392KB

      • memory/2228-146-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/2996-183-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/2996-155-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/2996-154-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/3156-181-0x0000000000600000-0x0000000000639000-memory.dmp

        Filesize

        228KB

      • memory/3156-180-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/3732-179-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/3732-182-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/3844-169-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/3844-167-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/3844-184-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB