Analysis

  • max time kernel
    151s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 01:52

General

  • Target

    611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607.exe

  • Size

    278KB

  • MD5

    08dfb6b8c7c4514609cf89fcbcf943f1

  • SHA1

    e9580a05fb57c4b1ebdfe25abb639afc62831c27

  • SHA256

    611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607

  • SHA512

    aaf50367a8be18aa1b15f7795e5d6320df34dc1730d2de6163fd8ad9d9e6f5233fc484482bcdf192675247601c896ba772f2171d7ad731dc08c2245cd4253e29

  • SSDEEP

    6144:Vk4qmXbOouMVGGCwBbGw59UsQk1Elb2qmnv:y9roua4v29mmEzmn

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

lucasrgmg.no-ip.org:81

189.59.158.237:81

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

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hklm

    win

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 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1216
      • C:\Users\Admin\AppData\Local\Temp\611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607.exe
        "C:\Users\Admin\AppData\Local\Temp\611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1848
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:960
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:1152
          • C:\Users\Admin\AppData\Local\Temp\611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607.exe
            "C:\Users\Admin\AppData\Local\Temp\611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607.exe"
            3⤵
            • Loads dropped DLL
            • Drops file in Windows directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:316
            • C:\Windows\install\server.exe
              "C:\Windows\install\server.exe"
              4⤵
              • Executes dropped EXE
              PID:1348

      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

        621106fe8adc42c08114f9a05b9e4af7

        SHA1

        ca871a26d808f024e622cdbef5a16e5bde3c5264

        SHA256

        f0464e87e80bf21ebbc50ae5614e52a39091e3c5d3bdc2e337b28108fa490dbc

        SHA512

        56e3cf8e74ea5fca4054d93799cc09b891f26feeea3d8de6620c963dd8bf4128df0135c51f66b8ffccab1e7229e72735ae888a347806ff296b1b103bffc84c4b

      • C:\Windows\install\server.exe

        Filesize

        278KB

        MD5

        08dfb6b8c7c4514609cf89fcbcf943f1

        SHA1

        e9580a05fb57c4b1ebdfe25abb639afc62831c27

        SHA256

        611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607

        SHA512

        aaf50367a8be18aa1b15f7795e5d6320df34dc1730d2de6163fd8ad9d9e6f5233fc484482bcdf192675247601c896ba772f2171d7ad731dc08c2245cd4253e29

      • C:\Windows\install\server.exe

        Filesize

        278KB

        MD5

        08dfb6b8c7c4514609cf89fcbcf943f1

        SHA1

        e9580a05fb57c4b1ebdfe25abb639afc62831c27

        SHA256

        611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607

        SHA512

        aaf50367a8be18aa1b15f7795e5d6320df34dc1730d2de6163fd8ad9d9e6f5233fc484482bcdf192675247601c896ba772f2171d7ad731dc08c2245cd4253e29

      • \Windows\install\server.exe

        Filesize

        278KB

        MD5

        08dfb6b8c7c4514609cf89fcbcf943f1

        SHA1

        e9580a05fb57c4b1ebdfe25abb639afc62831c27

        SHA256

        611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607

        SHA512

        aaf50367a8be18aa1b15f7795e5d6320df34dc1730d2de6163fd8ad9d9e6f5233fc484482bcdf192675247601c896ba772f2171d7ad731dc08c2245cd4253e29

      • \Windows\install\server.exe

        Filesize

        278KB

        MD5

        08dfb6b8c7c4514609cf89fcbcf943f1

        SHA1

        e9580a05fb57c4b1ebdfe25abb639afc62831c27

        SHA256

        611e894315f96670f0e43fe637e8e0d82b29aa4426573328296f905d404ce607

        SHA512

        aaf50367a8be18aa1b15f7795e5d6320df34dc1730d2de6163fd8ad9d9e6f5233fc484482bcdf192675247601c896ba772f2171d7ad731dc08c2245cd4253e29

      • memory/316-80-0x0000000000000000-mapping.dmp

      • memory/316-97-0x00000000052A0000-0x00000000052F9000-memory.dmp

        Filesize

        356KB

      • memory/316-96-0x00000000052A0000-0x00000000052F9000-memory.dmp

        Filesize

        356KB

      • memory/316-100-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/316-101-0x00000000052A0000-0x00000000052F9000-memory.dmp

        Filesize

        356KB

      • memory/316-87-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/316-89-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/316-90-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/960-71-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/960-65-0x00000000748F1000-0x00000000748F3000-memory.dmp

        Filesize

        8KB

      • memory/960-63-0x0000000000000000-mapping.dmp

      • memory/960-74-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1216-60-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1348-93-0x0000000000000000-mapping.dmp

      • memory/1348-98-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/1348-99-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/1848-88-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/1848-82-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1848-54-0x0000000076091000-0x0000000076093000-memory.dmp

        Filesize

        8KB

      • memory/1848-76-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/1848-66-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1848-57-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1848-55-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB