Analysis

  • max time kernel
    153s
  • 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
    23-11-2022 18:48

General

  • Target

    d7bdffcda89de8796f89df75d3c97eaa21ad4a492e65207af42a1b6541e583f4.exe

  • Size

    289KB

  • MD5

    4c879f764bfdedab9c12803b6d9b5a14

  • SHA1

    95183913c33f3f02c62b14a0cfdabdbd0f7ebcae

  • SHA256

    d7bdffcda89de8796f89df75d3c97eaa21ad4a492e65207af42a1b6541e583f4

  • SHA512

    aba7a0ca381ee6afd6dc5dd8d9b9c1c574acbacbfe3b44829f8996fe2923383af7844ff898927ab04e1a00e5a3d65668e2f0517558ee9587ef9540c25c05ebad

  • SSDEEP

    6144:2OpslFlqAhdBCkWYxuukP1pjSKSNVkq/MVJb3:2wsllTBd47GLRMTb3

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

cyber

C2

cyberhakerys.zapto.org:82

Mutex

8P25AA32A3F74B

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Winlog

  • install_file

    Winlogon.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    NEW HACK PACK!

  • message_box_title

    Hack Pack

  • password

    123456

  • 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:3064
      • C:\Users\Admin\AppData\Local\Temp\d7bdffcda89de8796f89df75d3c97eaa21ad4a492e65207af42a1b6541e583f4.exe
        "C:\Users\Admin\AppData\Local\Temp\d7bdffcda89de8796f89df75d3c97eaa21ad4a492e65207af42a1b6541e583f4.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:4828
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:3908
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:4296
          • C:\Users\Admin\AppData\Local\Temp\d7bdffcda89de8796f89df75d3c97eaa21ad4a492e65207af42a1b6541e583f4.exe
            "C:\Users\Admin\AppData\Local\Temp\d7bdffcda89de8796f89df75d3c97eaa21ad4a492e65207af42a1b6541e583f4.exe"
            3⤵
            • Checks computer location settings
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:4180
            • C:\Windows\SysWOW64\Winlog\Winlogon.exe
              "C:\Windows\system32\Winlog\Winlogon.exe"
              4⤵
              • Executes dropped EXE
              PID:1732
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 576
                5⤵
                • Program crash
                PID:4840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1732 -ip 1732
        1⤵
          PID:628

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          224KB

          MD5

          75f713b3b74063b6c57b6332cea30117

          SHA1

          1bce2db15218e5ad1c2b59327cb8c4e49b3b0d40

          SHA256

          05781b902020f9b680d402c51efe47ca8e54d633883c6c49e1ac83a02edb3634

          SHA512

          9513199f2d6f8fcab226a1b310fb07f2bbc35a277f2da8bd0b99ac31270c7c97c3e37978e0c61ab7e967eec72de67063a754e7f6f885f581083a3e2a3c8850cf

        • C:\Windows\SysWOW64\Winlog\Winlogon.exe

          Filesize

          289KB

          MD5

          4c879f764bfdedab9c12803b6d9b5a14

          SHA1

          95183913c33f3f02c62b14a0cfdabdbd0f7ebcae

          SHA256

          d7bdffcda89de8796f89df75d3c97eaa21ad4a492e65207af42a1b6541e583f4

          SHA512

          aba7a0ca381ee6afd6dc5dd8d9b9c1c574acbacbfe3b44829f8996fe2923383af7844ff898927ab04e1a00e5a3d65668e2f0517558ee9587ef9540c25c05ebad

        • C:\Windows\SysWOW64\Winlog\Winlogon.exe

          Filesize

          289KB

          MD5

          4c879f764bfdedab9c12803b6d9b5a14

          SHA1

          95183913c33f3f02c62b14a0cfdabdbd0f7ebcae

          SHA256

          d7bdffcda89de8796f89df75d3c97eaa21ad4a492e65207af42a1b6541e583f4

          SHA512

          aba7a0ca381ee6afd6dc5dd8d9b9c1c574acbacbfe3b44829f8996fe2923383af7844ff898927ab04e1a00e5a3d65668e2f0517558ee9587ef9540c25c05ebad

        • memory/1732-156-0x0000000000000000-mapping.dmp

        • memory/3908-144-0x0000000010480000-0x00000000104E5000-memory.dmp

          Filesize

          404KB

        • memory/3908-141-0x0000000010480000-0x00000000104E5000-memory.dmp

          Filesize

          404KB

        • memory/3908-137-0x0000000000000000-mapping.dmp

        • memory/4180-150-0x0000000000000000-mapping.dmp

        • memory/4180-154-0x0000000010560000-0x00000000105C5000-memory.dmp

          Filesize

          404KB

        • memory/4180-155-0x0000000010560000-0x00000000105C5000-memory.dmp

          Filesize

          404KB

        • memory/4180-158-0x0000000010560000-0x00000000105C5000-memory.dmp

          Filesize

          404KB

        • memory/4828-133-0x0000000010410000-0x0000000010475000-memory.dmp

          Filesize

          404KB

        • memory/4828-146-0x00000000104F0000-0x0000000010555000-memory.dmp

          Filesize

          404KB

        • memory/4828-151-0x0000000010560000-0x00000000105C5000-memory.dmp

          Filesize

          404KB

        • memory/4828-138-0x0000000010480000-0x00000000104E5000-memory.dmp

          Filesize

          404KB