Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 18:41

General

  • Target

    e99ef2f02e2d08136efe231c58f150e360c4116d92d608bb8fd7e3700d4dbd05.exe

  • Size

    289KB

  • MD5

    8266fae3a754cb9fff1920518b189168

  • SHA1

    66419e6775e590e8e40e92a369d7bf1f889f0edc

  • SHA256

    e99ef2f02e2d08136efe231c58f150e360c4116d92d608bb8fd7e3700d4dbd05

  • SHA512

    6505f036f409555434886a5f78bd2d0652e766de70b6346e5e7dbad2141fc9181894002de064c2525017ac0bb28256f9bc5469709c8b447b7572a6cc3fe999a5

  • SSDEEP

    6144:2OpslFlq6hdBCkWYxuukP1pjSKSNVkq/MVJbF:2wslpTBd47GLRMTbF

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Zombie

C2

thepopezone.no-ip.info:100

Mutex

0LBU007V26TQLF

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Windir

  • install_file

    server.exe

  • 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
  • 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.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 IoCs
  • 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:2720
      • C:\Users\Admin\AppData\Local\Temp\e99ef2f02e2d08136efe231c58f150e360c4116d92d608bb8fd7e3700d4dbd05.exe
        "C:\Users\Admin\AppData\Local\Temp\e99ef2f02e2d08136efe231c58f150e360c4116d92d608bb8fd7e3700d4dbd05.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:4984
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:1964
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:5088
          • C:\Windows\SysWOW64\Windir\server.exe
            "C:\Windows\system32\Windir\server.exe"
            4⤵
            • Executes dropped EXE
            PID:4644
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 592
              5⤵
              • Program crash
              PID:2728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4644 -ip 4644
      1⤵
        PID:4732

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        224KB

        MD5

        55f2ea2b39e054afa5716f2f7c81e4a7

        SHA1

        1768f71de14a71bfd19c2ebf1d6cc1dc6d62328e

        SHA256

        84031d580bf8b108bb4d996704ec991eb29b8cddad77382ff653a0936ddb70ee

        SHA512

        24508035f7bde7b3b7f010ae85f79238af605c508e10a0f45f5c797db28a2bb99b0f46005435367652588d3937d2cf89b334d1e5d525f5ec8e0082808302cb2b

      • C:\Windows\SysWOW64\Windir\server.exe
        Filesize

        289KB

        MD5

        8266fae3a754cb9fff1920518b189168

        SHA1

        66419e6775e590e8e40e92a369d7bf1f889f0edc

        SHA256

        e99ef2f02e2d08136efe231c58f150e360c4116d92d608bb8fd7e3700d4dbd05

        SHA512

        6505f036f409555434886a5f78bd2d0652e766de70b6346e5e7dbad2141fc9181894002de064c2525017ac0bb28256f9bc5469709c8b447b7572a6cc3fe999a5

      • C:\Windows\SysWOW64\Windir\server.exe
        Filesize

        289KB

        MD5

        8266fae3a754cb9fff1920518b189168

        SHA1

        66419e6775e590e8e40e92a369d7bf1f889f0edc

        SHA256

        e99ef2f02e2d08136efe231c58f150e360c4116d92d608bb8fd7e3700d4dbd05

        SHA512

        6505f036f409555434886a5f78bd2d0652e766de70b6346e5e7dbad2141fc9181894002de064c2525017ac0bb28256f9bc5469709c8b447b7572a6cc3fe999a5

      • memory/1964-141-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/1964-142-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/1964-137-0x0000000000000000-mapping.dmp
      • memory/1964-154-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/4644-152-0x0000000000000000-mapping.dmp
      • memory/4984-133-0x0000000010410000-0x0000000010475000-memory.dmp
        Filesize

        404KB

      • memory/4984-138-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/4984-145-0x00000000104F0000-0x0000000010555000-memory.dmp
        Filesize

        404KB

      • memory/5088-144-0x0000000000000000-mapping.dmp
      • memory/5088-150-0x00000000104F0000-0x0000000010555000-memory.dmp
        Filesize

        404KB

      • memory/5088-151-0x00000000104F0000-0x0000000010555000-memory.dmp
        Filesize

        404KB

      • memory/5088-155-0x00000000104F0000-0x0000000010555000-memory.dmp
        Filesize

        404KB