Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 18:24

General

  • Target

    a7a95e0a73a84c3a4b7a315f4f8ef884cc1c754183fdfcb00cc274496e2aa462.exe

  • Size

    276KB

  • MD5

    0ba9a3418c7731d775b2edd321e54f99

  • SHA1

    b10fad1b22fbd334f1cea203f69e3ae90237361e

  • SHA256

    a7a95e0a73a84c3a4b7a315f4f8ef884cc1c754183fdfcb00cc274496e2aa462

  • SHA512

    7aa892292c837c147fc3dcb55ec7a9b82fbf003f4d4301c1b206585a5d37f884e11abf5c5147d0e4386f8d6f43ec50573945f1036b9036cce36687e267ec95a6

  • SSDEEP

    6144:0k4qmO1y+E1WWxgKMBG2p9fWfU/foUSn/3oG50Nr3q:X9hyX1WWxgNp9u0N

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

127.0.0.1:82

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

    abcd1234

  • 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 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
  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2520
      • C:\Users\Admin\AppData\Local\Temp\a7a95e0a73a84c3a4b7a315f4f8ef884cc1c754183fdfcb00cc274496e2aa462.exe
        "C:\Users\Admin\AppData\Local\Temp\a7a95e0a73a84c3a4b7a315f4f8ef884cc1c754183fdfcb00cc274496e2aa462.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:4104
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:4408
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:224
          • C:\Windows\SysWOW64\install\server.exe
            "C:\Windows\system32\install\server.exe"
            4⤵
            • Executes dropped EXE
            PID:3708
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 564
              5⤵
              • Program crash
              PID:1256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3708 -ip 3708
      1⤵
        PID:2112

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        229KB

        MD5

        c285ce933cceaa2e70cbb19546045f2a

        SHA1

        14d7fd17870aeb632223ef4a8dfdf25dce13fe25

        SHA256

        10d4bfd2b4f39a8f025cbfed67e20e185f4d37b450c78ffbfc0de96b8be75a2c

        SHA512

        a6b484de2365fa78941e7eeb9c54ea69ea443c1c9a465f0115f182e2dbd4b89896719c779ef17b6e2a758937ce0f8d2a37e0d2bcae19b79529f2320f5f12301d

      • C:\Windows\SysWOW64\install\server.exe

        Filesize

        276KB

        MD5

        0ba9a3418c7731d775b2edd321e54f99

        SHA1

        b10fad1b22fbd334f1cea203f69e3ae90237361e

        SHA256

        a7a95e0a73a84c3a4b7a315f4f8ef884cc1c754183fdfcb00cc274496e2aa462

        SHA512

        7aa892292c837c147fc3dcb55ec7a9b82fbf003f4d4301c1b206585a5d37f884e11abf5c5147d0e4386f8d6f43ec50573945f1036b9036cce36687e267ec95a6

      • C:\Windows\SysWOW64\install\server.exe

        Filesize

        276KB

        MD5

        0ba9a3418c7731d775b2edd321e54f99

        SHA1

        b10fad1b22fbd334f1cea203f69e3ae90237361e

        SHA256

        a7a95e0a73a84c3a4b7a315f4f8ef884cc1c754183fdfcb00cc274496e2aa462

        SHA512

        7aa892292c837c147fc3dcb55ec7a9b82fbf003f4d4301c1b206585a5d37f884e11abf5c5147d0e4386f8d6f43ec50573945f1036b9036cce36687e267ec95a6

      • memory/224-153-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/224-157-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/224-151-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/3708-156-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/4104-148-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/4104-152-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/4104-132-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/4104-134-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/4104-139-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4408-145-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4408-142-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB