Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 05:29

General

  • Target

    5b53847ddc9dfb6d78935d9194f89d7a495ff211bb690fa8369bc49910370498.exe

  • Size

    408KB

  • MD5

    74a6f97adf42eb2ad8c9c6c90d4dbe31

  • SHA1

    bc52f5e91e66b03724811e8862e9ed277bc83591

  • SHA256

    5b53847ddc9dfb6d78935d9194f89d7a495ff211bb690fa8369bc49910370498

  • SHA512

    f089b52b66b6e9ba07243a4ce499522d49eacdeaecdd953aa8b963b1c77c24ecc3325fb018a19001466c6b9f0ae0fde259c477d2f55d93ef21796878621d2299

  • SSDEEP

    6144:uMUooI3cSvvn/pCiEMUiT2dUJgJeSb/18q6+GrlZvnzzOg4hkZbsKsLKYLT:uNoVtRCGXT22uMqC7XPzzOgeqoK43

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

system

C2

cyber1.no-ip.biz:5150

Mutex

62KGK236GQK13M

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    system

  • install_file

    system service moniter

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • 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
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 13 IoCs

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

  • 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.

  • 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:3048
      • C:\Users\Admin\AppData\Local\Temp\5b53847ddc9dfb6d78935d9194f89d7a495ff211bb690fa8369bc49910370498.exe
        "C:\Users\Admin\AppData\Local\Temp\5b53847ddc9dfb6d78935d9194f89d7a495ff211bb690fa8369bc49910370498.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 use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4876
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:2152
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:1356
          • C:\Users\Admin\AppData\Local\Temp\5b53847ddc9dfb6d78935d9194f89d7a495ff211bb690fa8369bc49910370498.exe
            "C:\Users\Admin\AppData\Local\Temp\5b53847ddc9dfb6d78935d9194f89d7a495ff211bb690fa8369bc49910370498.exe"
            3⤵
            • Drops file in System32 directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:3784

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        224KB

        MD5

        f6765cc9b18c5accf3df86328f788795

        SHA1

        1f38d713d9d5192a29d48f9711b7604cc556717d

        SHA256

        4cc6ca8984a3dcb7a1f3d8e586aed3352524215a4f413ead8bb738c56dbb47ef

        SHA512

        fbf466ebe3a3abbfdce9be925e60d318a9845f1b91a343a0d6cffba10c39c16a94b84ca1a91537ff5c552a58756ed2e8bcc3cb884b4ca13cdb1f5dcc9b0a7ced

      • C:\Windows\SysWOW64\system\system service moniter
        Filesize

        408KB

        MD5

        74a6f97adf42eb2ad8c9c6c90d4dbe31

        SHA1

        bc52f5e91e66b03724811e8862e9ed277bc83591

        SHA256

        5b53847ddc9dfb6d78935d9194f89d7a495ff211bb690fa8369bc49910370498

        SHA512

        f089b52b66b6e9ba07243a4ce499522d49eacdeaecdd953aa8b963b1c77c24ecc3325fb018a19001466c6b9f0ae0fde259c477d2f55d93ef21796878621d2299

      • memory/2152-138-0x0000000000000000-mapping.dmp
      • memory/2152-142-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/2152-145-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/3784-155-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/3784-159-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/3784-158-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/3784-157-0x0000000000400000-0x000000000048D000-memory.dmp
        Filesize

        564KB

      • memory/3784-151-0x0000000000000000-mapping.dmp
      • memory/4876-147-0x00000000104F0000-0x0000000010555000-memory.dmp
        Filesize

        404KB

      • memory/4876-152-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/4876-156-0x0000000000400000-0x000000000048D000-memory.dmp
        Filesize

        564KB

      • memory/4876-132-0x0000000000400000-0x000000000048D000-memory.dmp
        Filesize

        564KB

      • memory/4876-139-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/4876-134-0x0000000010410000-0x0000000010475000-memory.dmp
        Filesize

        404KB