Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 20:09

General

  • Target

    f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe

  • Size

    404KB

  • MD5

    53424d1c59101bea615994e2b8cd8f25

  • SHA1

    53498b45262c92378171d9a778480e4dc7368502

  • SHA256

    f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2

  • SHA512

    4772f0d7043f79039858f1cf9a095900a4d0d353eb38effa783db8d3bf36595fc37949039860540848db9b9a7d72123a3097c8705c0b24df94b880e3b7c31ec1

  • SSDEEP

    12288:ltQ24ZWeQmSIlvZtWeycsMtmjsDxPCHkIrO:E24ZW7YlbWeDsMtmjAxKG

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

system

C2

steup.no-ip.org:85

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    crack.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hkcu

    system

  • regkey_hklm

    system

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 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.

  • 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 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe
    "C:\Users\Admin\AppData\Local\Temp\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5028
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:4648
      • C:\Users\Admin\AppData\Local\Temp\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe
        "C:\Users\Admin\AppData\Local\Temp\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe"
        2⤵
        • Checks computer location settings
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:372
        • C:\Users\Admin\AppData\Local\Temp\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe
          "C:\Users\Admin\AppData\Local\Temp\f43b503b230c9c03cfdce9fa006edb80bc12a9175ec9ccde8d8bf954115138f2.exe"
          3⤵
            PID:3752
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 580
              4⤵
              • Program crash
              PID:1960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3752 -ip 3752
        1⤵
          PID:4440

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        3
        T1060

        Defense Evasion

        Modify Registry

        3
        T1112

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          230KB

          MD5

          4b6544fa8659da86bb5416a401f5198a

          SHA1

          b70780cbfad0424c6903095521e66033b9c8a486

          SHA256

          561f5d2774cda709c16fba5d332f21f125c26f6885f1bb0c52f84c431c592ec1

          SHA512

          27d62e59d218d5ae960676cc9adcd81345962ecf7e2cb0212bb63a7d5be9fa50bdad5ccd2501a5cc0c4becea9660234170cf8a9c25d2f65a8a78a19fd13c5c41

        • memory/372-153-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/372-145-0x0000000000000000-mapping.dmp
        • memory/372-158-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/372-149-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/3752-155-0x0000000000400000-0x0000000000465000-memory.dmp
          Filesize

          404KB

        • memory/3752-154-0x0000000000000000-mapping.dmp
        • memory/3752-156-0x0000000000400000-0x0000000000465000-memory.dmp
          Filesize

          404KB

        • memory/3752-157-0x00000000020A0000-0x00000000020D9000-memory.dmp
          Filesize

          228KB

        • memory/5028-151-0x0000000002210000-0x0000000002249000-memory.dmp
          Filesize

          228KB

        • memory/5028-146-0x0000000024080000-0x00000000240E2000-memory.dmp
          Filesize

          392KB

        • memory/5028-137-0x0000000000700000-0x0000000000704000-memory.dmp
          Filesize

          16KB

        • memory/5028-138-0x0000000002210000-0x0000000002249000-memory.dmp
          Filesize

          228KB

        • memory/5028-141-0x0000000024010000-0x0000000024072000-memory.dmp
          Filesize

          392KB

        • memory/5028-139-0x0000000000400000-0x0000000000465000-memory.dmp
          Filesize

          404KB

        • memory/5028-135-0x0000000000400000-0x0000000000465000-memory.dmp
          Filesize

          404KB

        • memory/5028-136-0x0000000000400000-0x0000000000465000-memory.dmp
          Filesize

          404KB

        • memory/5028-150-0x0000000000400000-0x0000000000465000-memory.dmp
          Filesize

          404KB