Analysis

  • max time kernel
    156s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 19:08

General

  • Target
    b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c.exe
  • Size 348KB
  • Sample221030-xtltraehe9
  • SHA256 b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cybergate

Version
  • 2.6

Botnet
  • warpilein

C2
  • warpilein.dyndns.org:81

  • warpilein.dyndns.org:202

  • warpilein.dyndns.org:1499

  • warpilein.dyndns.org:2002

  • warpilein.dyndns.org:4661

  • dasgensu.dyndns.org:81

  • dasgensu.dyndns.org:202

  • dasgensu.dyndns.org:1499

  • dasgensu.dyndns.org:2002

  • dasgensu.dyndns.org:4661

Mutex
  • ***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    adobe

  • install_file

    adobetray.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    2x7mcw5

  • 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.

  • 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 5 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: 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:3064
      • C:\Users\Admin\AppData\Local\Temp\b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c.exe
        "C:\Users\Admin\AppData\Local\Temp\b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:644
        • C:\Users\Admin\AppData\Local\Temp\b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c.exe
          C:\Users\Admin\AppData\Local\Temp\b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c.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 use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:3964
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:816
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:3984
            • C:\Users\Admin\AppData\Local\Temp\b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c.exe
              "C:\Users\Admin\AppData\Local\Temp\b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c.exe"
              4⤵
              • Checks computer location settings
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1564
              • C:\Windows\SysWOW64\adobe\adobetray.exe
                "C:\Windows\system32\adobe\adobetray.exe"
                5⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:2564
                • C:\Windows\SysWOW64\adobe\adobetray.exe
                  C:\Windows\SysWOW64\adobe\adobetray.exe
                  6⤵
                  • Executes dropped EXE
                  PID:4744
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 576
                    7⤵
                    • Program crash
                    PID:4756
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4744 -ip 4744
        1⤵
          PID:4276

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              XX--XX--XX.txt

              • Path C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
              • Size 230KB
              • SHA256 3e456d8990cc7cb9c1541642674e1e736f3962342328b51758dffed7a2a3596c
              • MD5 SHA1 SHA512 SSDEEP

              adobetray.exe

              • Path C:\Windows\SysWOW64\adobe\adobetray.exe
              • Size 348KB
              • SHA256 b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c
              • MD5 SHA1 SHA512 SSDEEP

              adobetray.exe

              • Path C:\Windows\SysWOW64\adobe\adobetray.exe
              • Size 348KB
              • SHA256 b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c
              • MD5 SHA1 SHA512 SSDEEP

              adobetray.exe

              • Path C:\Windows\SysWOW64\adobe\adobetray.exe
              • Size 348KB
              • SHA256 b84377d53936ec116feeb803307dbfa899ee9035c1812696f5e3ccdb4e30644c
              • MD5 SHA1 SHA512 SSDEEP

              memory/644-138-0x0000000000400000-0x0000000000459000-memory.dmp

              memory/644-132-0x0000000000400000-0x0000000000459000-memory.dmp

              memory/816-150-0x0000000024080000-0x00000000240E2000-memory.dmp

              memory/816-153-0x0000000024080000-0x00000000240E2000-memory.dmp

              memory/1564-178-0x0000000024160000-0x00000000241C2000-memory.dmp

              memory/1564-166-0x0000000024160000-0x00000000241C2000-memory.dmp

              memory/1564-160-0x0000000000400000-0x0000000000459000-memory.dmp

              memory/1564-164-0x0000000024160000-0x00000000241C2000-memory.dmp

              memory/2564-176-0x0000000000400000-0x0000000000459000-memory.dmp

              memory/3964-142-0x0000000024010000-0x0000000024072000-memory.dmp

              memory/3964-161-0x0000000024160000-0x00000000241C2000-memory.dmp

              memory/3964-155-0x00000000240F0000-0x0000000024152000-memory.dmp

              memory/3964-165-0x0000000000400000-0x0000000000450000-memory.dmp

              memory/3964-147-0x0000000024080000-0x00000000240E2000-memory.dmp

              memory/3964-140-0x0000000000400000-0x0000000000450000-memory.dmp

              memory/3964-139-0x0000000000400000-0x0000000000450000-memory.dmp

              memory/3964-137-0x0000000000400000-0x0000000000450000-memory.dmp

              memory/3964-136-0x0000000000400000-0x0000000000450000-memory.dmp

              memory/4744-175-0x0000000000400000-0x0000000000450000-memory.dmp

              memory/4744-177-0x0000000000400000-0x0000000000450000-memory.dmp