Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2022 19:02

General

  • Target

    54cbf021c0069ef2b53b2e295cf2bc8daf31fdec26a07cc9c85e72ed72fd0b31.exe

  • Size

    472KB

  • MD5

    85106758386e2b08783edbb82444ba10

  • SHA1

    c61a90084173bac25de192e5c87310d87120fe37

  • SHA256

    54cbf021c0069ef2b53b2e295cf2bc8daf31fdec26a07cc9c85e72ed72fd0b31

  • SHA512

    19edd9b6d91fa3788a6bae82fa247890bfa69e6778a18edcc13d82276ae63d81227a29028aa1cfe2b0775b8feefa3c1a01bd2f963c42c6a6187c8d259165371c

  • SSDEEP

    12288:+pMNT7AUi7iiE/H/Ai3idLzciXK5kxS0Uq+8Gnr5QV:YM1AUimV/H/A6YLzciXok9Uq+8GnrO

Malware Config

Extracted

Family

cybergate

Version

2.7 Final

Botnet

victime

C2

127.0.0.1:81

m5dorishe.no-ip.biz:83

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

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    victime

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 2 IoCs
  • UPX packed file 7 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 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\54cbf021c0069ef2b53b2e295cf2bc8daf31fdec26a07cc9c85e72ed72fd0b31.exe
    "C:\Users\Admin\AppData\Local\Temp\54cbf021c0069ef2b53b2e295cf2bc8daf31fdec26a07cc9c85e72ed72fd0b31.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5096
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:2736
      • C:\Users\Admin\AppData\Local\Temp\54cbf021c0069ef2b53b2e295cf2bc8daf31fdec26a07cc9c85e72ed72fd0b31.exe
        "C:\Users\Admin\AppData\Local\Temp\54cbf021c0069ef2b53b2e295cf2bc8daf31fdec26a07cc9c85e72ed72fd0b31.exe"
        2⤵
        • Checks computer location settings
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:816
        • C:\dir\install\install\server.exe
          "C:\dir\install\install\server.exe"
          3⤵
          • Executes dropped EXE
          PID:1848
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 572
            4⤵
            • Program crash
            PID:220
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1848 -ip 1848
      1⤵
        PID:2956

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      2
      T1060

      Defense Evasion

      Modify Registry

      2
      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

        588KB

        MD5

        c2ba40958b339157eb920514d2ccf123

        SHA1

        ddfb3b9e4049689f6cb4f08ec749c5c46e0d46cc

        SHA256

        124b3c14d1e6bcab80a4a5216a7aa824efbe730925cb32e699df9ef7211c4939

        SHA512

        7767189009b1e2f245fa091a9f60dd4931f985919b9cf3be697d865c907e7e578354dd3c0bef735c030a882e5ec010bf3ba48321553285cf4dc006218ab21ad7

      • C:\dir\install\install\server.exe
        Filesize

        472KB

        MD5

        85106758386e2b08783edbb82444ba10

        SHA1

        c61a90084173bac25de192e5c87310d87120fe37

        SHA256

        54cbf021c0069ef2b53b2e295cf2bc8daf31fdec26a07cc9c85e72ed72fd0b31

        SHA512

        19edd9b6d91fa3788a6bae82fa247890bfa69e6778a18edcc13d82276ae63d81227a29028aa1cfe2b0775b8feefa3c1a01bd2f963c42c6a6187c8d259165371c

      • \??\c:\dir\install\install\server.exe
        Filesize

        472KB

        MD5

        85106758386e2b08783edbb82444ba10

        SHA1

        c61a90084173bac25de192e5c87310d87120fe37

        SHA256

        54cbf021c0069ef2b53b2e295cf2bc8daf31fdec26a07cc9c85e72ed72fd0b31

        SHA512

        19edd9b6d91fa3788a6bae82fa247890bfa69e6778a18edcc13d82276ae63d81227a29028aa1cfe2b0775b8feefa3c1a01bd2f963c42c6a6187c8d259165371c

      • memory/816-142-0x0000000000000000-mapping.dmp
      • memory/816-143-0x0000000000400000-0x00000000004AD000-memory.dmp
        Filesize

        692KB

      • memory/816-151-0x0000000010470000-0x00000000104CC000-memory.dmp
        Filesize

        368KB

      • memory/1848-154-0x0000000000000000-mapping.dmp
      • memory/1848-156-0x0000000000400000-0x00000000004AD000-memory.dmp
        Filesize

        692KB

      • memory/5096-144-0x0000000010470000-0x00000000104CC000-memory.dmp
        Filesize

        368KB

      • memory/5096-150-0x0000000000400000-0x00000000004AD000-memory.dmp
        Filesize

        692KB

      • memory/5096-132-0x0000000000400000-0x00000000004AD000-memory.dmp
        Filesize

        692KB

      • memory/5096-135-0x0000000010410000-0x000000001046C000-memory.dmp
        Filesize

        368KB

      • memory/5096-133-0x0000000000400000-0x00000000004AD000-memory.dmp
        Filesize

        692KB