Analysis

  • max time kernel
    149s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2022, 06:44

General

  • Target

    38820fcd4b479cc5bef553a3138266bca03a19b06628bfa34c1b8cd8ab9ce6c4.exe

  • Size

    276KB

  • MD5

    20f1af699b1d13db202a0749d35d05b0

  • SHA1

    e43d944cd5a627e33154b0d0a8913c57d9ed7ab5

  • SHA256

    38820fcd4b479cc5bef553a3138266bca03a19b06628bfa34c1b8cd8ab9ce6c4

  • SHA512

    a9b05cc4c5ec6515fa986482faea29ea07756a9773bbdf49a3977fed5d6c1f997b7828f50835b4964b18b21c79ae82149ba2375be6ddec05044791dcee2975dc

  • SSDEEP

    6144:9k4qmh5oq1iLJm31UznRblbUF4Hqv6WPiVHsL1hff4:q9K0LJ3Pqv6XSf

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vítima

C2

osna-ware.sytes.net:1000

Mutex

jajaja...

Attributes
  • enable_keylogger

    false

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    win32

  • install_file

    notepad.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 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:2484
      • C:\Users\Admin\AppData\Local\Temp\38820fcd4b479cc5bef553a3138266bca03a19b06628bfa34c1b8cd8ab9ce6c4.exe
        "C:\Users\Admin\AppData\Local\Temp\38820fcd4b479cc5bef553a3138266bca03a19b06628bfa34c1b8cd8ab9ce6c4.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:4304
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:3160
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          PID:1184
          • C:\Windows\SysWOW64\win32\notepad.exe
            "C:\Windows\system32\win32\notepad.exe"
            4⤵
            • Executes dropped EXE
            PID:320
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 320 -s 564
              5⤵
              • Program crash
              PID:4716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 320 -ip 320
      1⤵
        PID:3724

      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

        c262ac8265edfefc323dfffd4ea076dd

        SHA1

        f8095d7164d54691dc1e880ccf708bf83b9d844c

        SHA256

        d6e1a428afbd8f6e4566af1d15e76c85cb6757a9d5624ad381faf69a9cc90990

        SHA512

        a452d29eb46f2199cf73bc832eeee8ea47a7e14e4cf533acbbe1185cb89eb164f01468c8d274eb358f45d22f00302bf4ee9e198305f41ca201610e085a6cf1a8

      • C:\Windows\SysWOW64\win32\notepad.exe

        Filesize

        276KB

        MD5

        20f1af699b1d13db202a0749d35d05b0

        SHA1

        e43d944cd5a627e33154b0d0a8913c57d9ed7ab5

        SHA256

        38820fcd4b479cc5bef553a3138266bca03a19b06628bfa34c1b8cd8ab9ce6c4

        SHA512

        a9b05cc4c5ec6515fa986482faea29ea07756a9773bbdf49a3977fed5d6c1f997b7828f50835b4964b18b21c79ae82149ba2375be6ddec05044791dcee2975dc

      • C:\Windows\SysWOW64\win32\notepad.exe

        Filesize

        276KB

        MD5

        20f1af699b1d13db202a0749d35d05b0

        SHA1

        e43d944cd5a627e33154b0d0a8913c57d9ed7ab5

        SHA256

        38820fcd4b479cc5bef553a3138266bca03a19b06628bfa34c1b8cd8ab9ce6c4

        SHA512

        a9b05cc4c5ec6515fa986482faea29ea07756a9773bbdf49a3977fed5d6c1f997b7828f50835b4964b18b21c79ae82149ba2375be6ddec05044791dcee2975dc

      • memory/320-156-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/1184-153-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/1184-151-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/1184-157-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/3160-142-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/3160-145-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4304-148-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/4304-152-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/4304-132-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/4304-139-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/4304-134-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB