Analysis

  • max time kernel
    153s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 00:03

General

  • Target

    57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae.exe

  • Size

    1.1MB

  • MD5

    fd3f772818456713628e4dcaf46cc65c

  • SHA1

    908d256fc2ccfea34c36242ff3d992285b9fd083

  • SHA256

    57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae

  • SHA512

    3709a8de26da81dab5ed7b233ec0b6660afb4735ff8fa03d3e66f5db3d6b1acb2acd68ff2c5ba5370d113ce61d1b220800aaae576057d578b1eb1305fd6f894a

  • SSDEEP

    3072:aicp5nYrxUbJgo/NDRwMPFNpxn8/5e3xGjvD5bGV+pNucFWJgufglcS5uLXhXdg1:N9dh

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

ChupateUnaPijaEssentials

C2

freesoftdownloads.publicvm.com:82

Mutex

717WG3PRY4XL63

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    uppdates

  • install_file

    uuppdatesFlahs.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    micho

  • regkey_hkcu

    Macromed Flash

  • regkey_hklm

    Macromed Flash

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 18 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
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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:2688
      • C:\Users\Admin\AppData\Local\Temp\57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae.exe
        "C:\Users\Admin\AppData\Local\Temp\57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2692
        • C:\Users\Admin\AppData\Local\Temp\57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae.exe
          "C:\Users\Admin\AppData\Local\Temp\57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae.exe"
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4108
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:2588
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:3868
            • C:\Users\Admin\AppData\Local\Temp\57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae.exe
              "C:\Users\Admin\AppData\Local\Temp\57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Program Files directory
              • Modifies registry class
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:4956
              • C:\Program Files (x86)\uppdates\uuppdatesFlahs.exe
                "C:\Program Files (x86)\uppdates\uuppdatesFlahs.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of SetWindowsHookEx
                PID:4668
                • C:\Program Files (x86)\uppdates\uuppdatesFlahs.exe
                  "C:\Program Files (x86)\uppdates\uuppdatesFlahs.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:4728

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\uppdates\uuppdatesFlahs.exe

        Filesize

        1.1MB

        MD5

        fd3f772818456713628e4dcaf46cc65c

        SHA1

        908d256fc2ccfea34c36242ff3d992285b9fd083

        SHA256

        57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae

        SHA512

        3709a8de26da81dab5ed7b233ec0b6660afb4735ff8fa03d3e66f5db3d6b1acb2acd68ff2c5ba5370d113ce61d1b220800aaae576057d578b1eb1305fd6f894a

      • C:\Program Files (x86)\uppdates\uuppdatesFlahs.exe

        Filesize

        1.1MB

        MD5

        fd3f772818456713628e4dcaf46cc65c

        SHA1

        908d256fc2ccfea34c36242ff3d992285b9fd083

        SHA256

        57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae

        SHA512

        3709a8de26da81dab5ed7b233ec0b6660afb4735ff8fa03d3e66f5db3d6b1acb2acd68ff2c5ba5370d113ce61d1b220800aaae576057d578b1eb1305fd6f894a

      • C:\Program Files (x86)\uppdates\uuppdatesFlahs.exe

        Filesize

        1.1MB

        MD5

        fd3f772818456713628e4dcaf46cc65c

        SHA1

        908d256fc2ccfea34c36242ff3d992285b9fd083

        SHA256

        57b38b46382734b2ddc4d503eddc488de9ff612aaf9faa3730ab8f4cb914e3ae

        SHA512

        3709a8de26da81dab5ed7b233ec0b6660afb4735ff8fa03d3e66f5db3d6b1acb2acd68ff2c5ba5370d113ce61d1b220800aaae576057d578b1eb1305fd6f894a

      • C:\Users\Admin\AppData\Local\Temp\Admin2.txt

        Filesize

        225KB

        MD5

        78b1de94257aa62def665e0745cd0022

        SHA1

        7aa99b45179f306b01d5c04cdf3e77a3ff661292

        SHA256

        8c33e50e53fde6f2159f029b72e98ae6e0697450e494f62f52fa66164593d942

        SHA512

        e93722fb315bdb3fc8b2b80a285a47f1fed734891485fa0c20858907b555338864d0835f6c9cbc88f00ea04eb727b9d6a3317288ab978157f8cb937157f4a51e

      • memory/2588-149-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/2588-152-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/4108-154-0x00000000104F0000-0x0000000010555000-memory.dmp

        Filesize

        404KB

      • memory/4108-163-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/4108-141-0x0000000010410000-0x0000000010475000-memory.dmp

        Filesize

        404KB

      • memory/4108-139-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/4108-138-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/4108-135-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/4108-159-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/4108-137-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/4108-146-0x0000000010480000-0x00000000104E5000-memory.dmp

        Filesize

        404KB

      • memory/4728-174-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/4728-175-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/4728-176-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/4728-177-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/4956-164-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/4956-165-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB

      • memory/4956-162-0x0000000010560000-0x00000000105C5000-memory.dmp

        Filesize

        404KB