Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2022 15:19

General

  • Target

    bc0ccc8a11d77dde6bb0d0f373250741c0aaaf6614e2ca4b9cdf2c77f91caa79.exe

  • Size

    296KB

  • MD5

    6cbe6df3df3c75dae644cf4a1f65ab0e

  • SHA1

    9319f442ad3add4292a289a72a24ab53f6e82bce

  • SHA256

    bc0ccc8a11d77dde6bb0d0f373250741c0aaaf6614e2ca4b9cdf2c77f91caa79

  • SHA512

    a6b2dc3830380a940aa2149967fd145b04bc306cbd42c0d607fdd197cd4facc9a8eb83170951027289712c76261e6fbd820504f39ec18e9aef6e12b88c6eab24

  • SSDEEP

    6144:/OpslFlqjhdBCkWYxuukP1pjSKSNVkq/MVJb+:/wslMTBd47GLRMTb+

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

hack

C2

jimmytest123.no-ip.org:81

Mutex

DAIL32K3DP8N2O

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Windir

  • install_file

    svchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Patience

  • message_box_title

    Merci

  • password

    12345

  • 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 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 9 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 4 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 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2440
      • C:\Users\Admin\AppData\Local\Temp\bc0ccc8a11d77dde6bb0d0f373250741c0aaaf6614e2ca4b9cdf2c77f91caa79.exe
        "C:\Users\Admin\AppData\Local\Temp\bc0ccc8a11d77dde6bb0d0f373250741c0aaaf6614e2ca4b9cdf2c77f91caa79.exe"
        2⤵
        • 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:3284
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:3772
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:3412
          • C:\Users\Admin\AppData\Local\Temp\bc0ccc8a11d77dde6bb0d0f373250741c0aaaf6614e2ca4b9cdf2c77f91caa79.exe
            "C:\Users\Admin\AppData\Local\Temp\bc0ccc8a11d77dde6bb0d0f373250741c0aaaf6614e2ca4b9cdf2c77f91caa79.exe"
            3⤵
            • Checks computer location settings
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:3132
            • C:\Windows\SysWOW64\Windir\svchost.exe
              "C:\Windows\system32\Windir\svchost.exe"
              4⤵
              • Executes dropped EXE
              PID:4416
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 600
                5⤵
                • Program crash
                PID:3120
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4416 -ip 4416
        1⤵
          PID:540

        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\Admin2.txt
          Filesize

          224KB

          MD5

          7f885f724d6a71b0cc74abf66081b080

          SHA1

          6cdee0bd96788478e4266e2ad6bb6a1cac257525

          SHA256

          b34686f6b2e9cd0292752291a49198964d65a8c2e9a36d291f2dcf240a6247dc

          SHA512

          1a30ccfcae2a57b99aa7ebbb693c84389f928b3504c09b9d7a2d4bf1f4bd5ae2dface2380146ba2a5a506783b1799a2c61f57ea161c1ad670c382fd20688afbf

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

          296KB

          MD5

          6cbe6df3df3c75dae644cf4a1f65ab0e

          SHA1

          9319f442ad3add4292a289a72a24ab53f6e82bce

          SHA256

          bc0ccc8a11d77dde6bb0d0f373250741c0aaaf6614e2ca4b9cdf2c77f91caa79

          SHA512

          a6b2dc3830380a940aa2149967fd145b04bc306cbd42c0d607fdd197cd4facc9a8eb83170951027289712c76261e6fbd820504f39ec18e9aef6e12b88c6eab24

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

          296KB

          MD5

          6cbe6df3df3c75dae644cf4a1f65ab0e

          SHA1

          9319f442ad3add4292a289a72a24ab53f6e82bce

          SHA256

          bc0ccc8a11d77dde6bb0d0f373250741c0aaaf6614e2ca4b9cdf2c77f91caa79

          SHA512

          a6b2dc3830380a940aa2149967fd145b04bc306cbd42c0d607fdd197cd4facc9a8eb83170951027289712c76261e6fbd820504f39ec18e9aef6e12b88c6eab24

        • memory/3132-155-0x0000000010560000-0x00000000105C5000-memory.dmp
          Filesize

          404KB

        • memory/3132-158-0x0000000010560000-0x00000000105C5000-memory.dmp
          Filesize

          404KB

        • memory/3132-150-0x0000000000000000-mapping.dmp
        • memory/3132-154-0x0000000010560000-0x00000000105C5000-memory.dmp
          Filesize

          404KB

        • memory/3284-138-0x0000000010480000-0x00000000104E5000-memory.dmp
          Filesize

          404KB

        • memory/3284-133-0x0000000010410000-0x0000000010475000-memory.dmp
          Filesize

          404KB

        • memory/3284-146-0x00000000104F0000-0x0000000010555000-memory.dmp
          Filesize

          404KB

        • memory/3284-151-0x0000000010560000-0x00000000105C5000-memory.dmp
          Filesize

          404KB

        • memory/3772-141-0x0000000010480000-0x00000000104E5000-memory.dmp
          Filesize

          404KB

        • memory/3772-144-0x0000000010480000-0x00000000104E5000-memory.dmp
          Filesize

          404KB

        • memory/3772-137-0x0000000000000000-mapping.dmp
        • memory/4416-156-0x0000000000000000-mapping.dmp