Analysis

  • max time kernel
    186s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 15:49

General

  • Target

    d36f3bbd58591ecbd5d9a3fdefa19444c502a0d1bd2026a37dacbabfa0d0aa10.exe

  • Size

    374KB

  • MD5

    a4da7a713b794cd2b797db1d5d32d7ec

  • SHA1

    b991a1f41189062aae61b003959a83ffda77147f

  • SHA256

    d36f3bbd58591ecbd5d9a3fdefa19444c502a0d1bd2026a37dacbabfa0d0aa10

  • SHA512

    c6ad979874433bd8580e7d30bda001bcbd88e182a4b45bdf250b13a8de57a1d745082c8ef184114254678064b4949a84f69eb7320b75d08da6a7c9aa60b9febf

  • SSDEEP

    6144:bpkfEdRTDe6VT4RsG5pDArVQlAYM5pQf72VQpsSM8fM:amRTDemesKArAAPpQaVUMiM

Malware Config

Extracted

Family

cybergate

Version

2.7 Beta 02

Botnet

ligtv

C2

youtubedns.ddns.net:1500

Mutex

zxcasd

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_file

    winupdate.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Oldu

  • message_box_title

    Error..

  • password

    123456

  • regkey_hkcu

    cftmon

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 17 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 2 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.

  • Modifies registry class 1 IoCs
  • 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:2596
      • C:\Users\Admin\AppData\Local\Temp\d36f3bbd58591ecbd5d9a3fdefa19444c502a0d1bd2026a37dacbabfa0d0aa10.exe
        "C:\Users\Admin\AppData\Local\Temp\d36f3bbd58591ecbd5d9a3fdefa19444c502a0d1bd2026a37dacbabfa0d0aa10.exe"
        2⤵
        • 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:4896
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:4452
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:4712
          • C:\Users\Admin\AppData\Local\Temp\d36f3bbd58591ecbd5d9a3fdefa19444c502a0d1bd2026a37dacbabfa0d0aa10.exe
            "C:\Users\Admin\AppData\Local\Temp\d36f3bbd58591ecbd5d9a3fdefa19444c502a0d1bd2026a37dacbabfa0d0aa10.exe"
            3⤵
            • Checks computer location settings
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:4660
            • C:\Windows\SysWOW64\winupdate.exe
              "C:\Windows\system32\winupdate.exe"
              4⤵
              • Executes dropped EXE
              PID:5064

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        228KB

        MD5

        dfbb706681d030ddb6a32cd8028ee14a

        SHA1

        86e458234a043caae69ac9ef744027f3ceba5c14

        SHA256

        93a9bd85cc3dda82516d073bdd05efb4b77634524010f9eb1e11db5b85fe4057

        SHA512

        6a25a8ae0b669b89e2e2b6e991ae168158411f431db6e127bdea30415d37ea1d713d7144f6d6d490ffcea8c61ab98dfa0ff78d9dbafd60b8ec88ae8ea744493e

      • C:\Windows\SysWOW64\winupdate.exe
        Filesize

        374KB

        MD5

        a4da7a713b794cd2b797db1d5d32d7ec

        SHA1

        b991a1f41189062aae61b003959a83ffda77147f

        SHA256

        d36f3bbd58591ecbd5d9a3fdefa19444c502a0d1bd2026a37dacbabfa0d0aa10

        SHA512

        c6ad979874433bd8580e7d30bda001bcbd88e182a4b45bdf250b13a8de57a1d745082c8ef184114254678064b4949a84f69eb7320b75d08da6a7c9aa60b9febf

      • C:\Windows\SysWOW64\winupdate.exe
        Filesize

        374KB

        MD5

        a4da7a713b794cd2b797db1d5d32d7ec

        SHA1

        b991a1f41189062aae61b003959a83ffda77147f

        SHA256

        d36f3bbd58591ecbd5d9a3fdefa19444c502a0d1bd2026a37dacbabfa0d0aa10

        SHA512

        c6ad979874433bd8580e7d30bda001bcbd88e182a4b45bdf250b13a8de57a1d745082c8ef184114254678064b4949a84f69eb7320b75d08da6a7c9aa60b9febf

      • memory/4452-138-0x0000000000000000-mapping.dmp
      • memory/4452-163-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4452-142-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4452-143-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4660-157-0x0000000000400000-0x0000000000498000-memory.dmp
        Filesize

        608KB

      • memory/4660-164-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/4660-149-0x0000000000000000-mapping.dmp
      • memory/4660-158-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/4660-155-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/4896-152-0x0000000024160000-0x00000000241C2000-memory.dmp
        Filesize

        392KB

      • memory/4896-156-0x0000000000400000-0x0000000000498000-memory.dmp
        Filesize

        608KB

      • memory/4896-132-0x0000000000400000-0x0000000000498000-memory.dmp
        Filesize

        608KB

      • memory/4896-145-0x00000000240F0000-0x0000000024152000-memory.dmp
        Filesize

        392KB

      • memory/4896-139-0x0000000024080000-0x00000000240E2000-memory.dmp
        Filesize

        392KB

      • memory/4896-134-0x0000000024010000-0x0000000024072000-memory.dmp
        Filesize

        392KB

      • memory/5064-159-0x0000000000000000-mapping.dmp
      • memory/5064-161-0x0000000000400000-0x0000000000498000-memory.dmp
        Filesize

        608KB

      • memory/5064-162-0x0000000000400000-0x0000000000498000-memory.dmp
        Filesize

        608KB