Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2023 08:12

General

  • Target

    c076a611f9726ce59a6ab4472b69b68b30efc0ad8772db66a0a771a02cfa06e3.exe

  • Size

    1.1MB

  • MD5

    c3949d458a91786a6037188c6a098a8f

  • SHA1

    eb029186b7a25cb6185106d06adcaa7e4061eefb

  • SHA256

    c076a611f9726ce59a6ab4472b69b68b30efc0ad8772db66a0a771a02cfa06e3

  • SHA512

    68b3c9779b5c49291503ec4f0e56e0c274274a64a35273348cd879cee5f4b16167b303fccf6a7c984f6f3c0ab9dea7e6d4362fb1f3324448780e0c13771be8f3

  • SSDEEP

    12288:6o1IrQRfhmX01LiOCkKMdrJALYVcXmGdUq7nvr6MgSEr1ZixnzHh1ErnUbalmqvb:8qZmmrcX5js8nTmx9X2Hj4Z8P

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

victime

C2

therealdexen.no-ip.biz:27015

Mutex

V13NYN68G86567

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • ftp_password

    123lol

  • ftp_port

    21

  • ftp_server

    dexen.free.fr

  • ftp_username

    dexen

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    true

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123lol

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 2 IoCs
  • UPX packed file 5 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c076a611f9726ce59a6ab4472b69b68b30efc0ad8772db66a0a771a02cfa06e3.exe
    "C:\Users\Admin\AppData\Local\Temp\c076a611f9726ce59a6ab4472b69b68b30efc0ad8772db66a0a771a02cfa06e3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1584
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:3428
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
          3⤵
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:956
          • C:\directory\CyberGate\install\server.exe
            "C:\directory\CyberGate\install\server.exe"
            4⤵
            • Executes dropped EXE
            PID:4348
        • C:\directory\CyberGate\install\server.exe
          "C:\directory\CyberGate\install\server.exe"
          3⤵
          • Executes dropped EXE
          PID:2836

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    2
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Scripting

    1
    T1064

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      224KB

      MD5

      1bfdd14ac661094727c98fe823df2d80

      SHA1

      3760cbc41ef0b817a80d1d8ccf355410fc8ddbbc

      SHA256

      4a926d10cfa069551ec48a6d15354239b7608438447a19211924a764c74f3edf

      SHA512

      39177a97ae8c41bae938a78576a506927119e37a818781373f079eb6c1bbee0f6ad3b61c2e578ed87b1f6430a1df887100618761202be742db0fcc6f68c032d2

    • C:\directory\CyberGate\install\server.exe
      Filesize

      1.1MB

      MD5

      d881de17aa8f2e2c08cbb7b265f928f9

      SHA1

      08936aebc87decf0af6e8eada191062b5e65ac2a

      SHA256

      b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

      SHA512

      5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

    • C:\directory\CyberGate\install\server.exe
      Filesize

      1.1MB

      MD5

      d881de17aa8f2e2c08cbb7b265f928f9

      SHA1

      08936aebc87decf0af6e8eada191062b5e65ac2a

      SHA256

      b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

      SHA512

      5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

    • C:\directory\CyberGate\install\server.exe
      Filesize

      1.1MB

      MD5

      d881de17aa8f2e2c08cbb7b265f928f9

      SHA1

      08936aebc87decf0af6e8eada191062b5e65ac2a

      SHA256

      b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

      SHA512

      5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

    • memory/532-137-0x00000000752D0000-0x0000000075881000-memory.dmp
      Filesize

      5.7MB

    • memory/532-132-0x00000000752D0000-0x0000000075881000-memory.dmp
      Filesize

      5.7MB

    • memory/956-148-0x0000000010480000-0x00000000104E5000-memory.dmp
      Filesize

      404KB

    • memory/956-157-0x0000000010480000-0x00000000104E5000-memory.dmp
      Filesize

      404KB

    • memory/956-151-0x0000000010480000-0x00000000104E5000-memory.dmp
      Filesize

      404KB

    • memory/956-144-0x0000000000000000-mapping.dmp
    • memory/1584-136-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1584-145-0x0000000010480000-0x00000000104E5000-memory.dmp
      Filesize

      404KB

    • memory/1584-135-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1584-140-0x0000000010410000-0x0000000010475000-memory.dmp
      Filesize

      404KB

    • memory/1584-134-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1584-156-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1584-133-0x0000000000000000-mapping.dmp
    • memory/1584-138-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/2836-152-0x0000000000000000-mapping.dmp
    • memory/4348-153-0x0000000000000000-mapping.dmp