Analysis

  • max time kernel
    151s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 08:01

General

  • Target

    f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e.exe

  • Size

    275KB

  • MD5

    6fe2a21ac2a57113164a96c7cce482ee

  • SHA1

    34086daa18664ee5b774db6fd43386af12cdc4a0

  • SHA256

    f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e

  • SHA512

    2cd959c6c7bcb6f612bc5b3b3399f85603eeaa0bde3af9ecb98d51ad55c3824eb2a2d13f80e64a69e94d11a6e971bd8a2d558ed68fa58e4afcfe5a05c4613f3a

  • SSDEEP

    6144:qMIXAJ8by0noCRLYrV+MkIXwR3aWJWXXUTr3sSyLP:qbXIiy0oQLsrXCaIWXkTr3/y

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

remote

C2

109.169.40.133:43594

Mutex

6H1130RDF6NNX4

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

    test bind :)

  • message_box_title

    test works

  • password

    9632

  • 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 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 26 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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:1388
      • C:\Users\Admin\AppData\Local\Temp\f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e.exe
        "C:\Users\Admin\AppData\Local\Temp\f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1768
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          • Suspicious use of AdjustPrivilegeToken
          PID:2004
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:360
          • C:\Users\Admin\AppData\Local\Temp\f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e.exe
            "C:\Users\Admin\AppData\Local\Temp\f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e.exe"
            3⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:240
            • C:\Windows\SysWOW64\install\server.exe
              "C:\Windows\system32\install\server.exe"
              4⤵
              • Executes dropped EXE
              PID:1716
          • C:\Windows\SysWOW64\install\server.exe
            "C:\Windows\system32\install\server.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:2040

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              Filesize

              224KB

              MD5

              6e2c623e35d02fa335641d97cc7bdd07

              SHA1

              49493dd6157facc18ac297042242381e391cd839

              SHA256

              af3e8fd5b3f25192e029e7f70d1e8b2517040aedc74e0931fbb3596d562109ef

              SHA512

              5fc572ef45c79d82da6203afdbc71566fd5cfed361d66367a142435c7046dc3b23bac11b5ec1da5123d4d6e85b4c0c246b007867a32fb74a5780bbd0fdb31417

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

              Filesize

              275KB

              MD5

              6fe2a21ac2a57113164a96c7cce482ee

              SHA1

              34086daa18664ee5b774db6fd43386af12cdc4a0

              SHA256

              f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e

              SHA512

              2cd959c6c7bcb6f612bc5b3b3399f85603eeaa0bde3af9ecb98d51ad55c3824eb2a2d13f80e64a69e94d11a6e971bd8a2d558ed68fa58e4afcfe5a05c4613f3a

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

              Filesize

              275KB

              MD5

              6fe2a21ac2a57113164a96c7cce482ee

              SHA1

              34086daa18664ee5b774db6fd43386af12cdc4a0

              SHA256

              f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e

              SHA512

              2cd959c6c7bcb6f612bc5b3b3399f85603eeaa0bde3af9ecb98d51ad55c3824eb2a2d13f80e64a69e94d11a6e971bd8a2d558ed68fa58e4afcfe5a05c4613f3a

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

              Filesize

              275KB

              MD5

              6fe2a21ac2a57113164a96c7cce482ee

              SHA1

              34086daa18664ee5b774db6fd43386af12cdc4a0

              SHA256

              f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e

              SHA512

              2cd959c6c7bcb6f612bc5b3b3399f85603eeaa0bde3af9ecb98d51ad55c3824eb2a2d13f80e64a69e94d11a6e971bd8a2d558ed68fa58e4afcfe5a05c4613f3a

            • \Windows\SysWOW64\install\server.exe

              Filesize

              275KB

              MD5

              6fe2a21ac2a57113164a96c7cce482ee

              SHA1

              34086daa18664ee5b774db6fd43386af12cdc4a0

              SHA256

              f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e

              SHA512

              2cd959c6c7bcb6f612bc5b3b3399f85603eeaa0bde3af9ecb98d51ad55c3824eb2a2d13f80e64a69e94d11a6e971bd8a2d558ed68fa58e4afcfe5a05c4613f3a

            • \Windows\SysWOW64\install\server.exe

              Filesize

              275KB

              MD5

              6fe2a21ac2a57113164a96c7cce482ee

              SHA1

              34086daa18664ee5b774db6fd43386af12cdc4a0

              SHA256

              f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e

              SHA512

              2cd959c6c7bcb6f612bc5b3b3399f85603eeaa0bde3af9ecb98d51ad55c3824eb2a2d13f80e64a69e94d11a6e971bd8a2d558ed68fa58e4afcfe5a05c4613f3a

            • \Windows\SysWOW64\install\server.exe

              Filesize

              275KB

              MD5

              6fe2a21ac2a57113164a96c7cce482ee

              SHA1

              34086daa18664ee5b774db6fd43386af12cdc4a0

              SHA256

              f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e

              SHA512

              2cd959c6c7bcb6f612bc5b3b3399f85603eeaa0bde3af9ecb98d51ad55c3824eb2a2d13f80e64a69e94d11a6e971bd8a2d558ed68fa58e4afcfe5a05c4613f3a

            • \Windows\SysWOW64\install\server.exe

              Filesize

              275KB

              MD5

              6fe2a21ac2a57113164a96c7cce482ee

              SHA1

              34086daa18664ee5b774db6fd43386af12cdc4a0

              SHA256

              f988ab48c019b94c4fbf79b022750062b015fff5fb5adaab4cef4fc9a3d0d11e

              SHA512

              2cd959c6c7bcb6f612bc5b3b3399f85603eeaa0bde3af9ecb98d51ad55c3824eb2a2d13f80e64a69e94d11a6e971bd8a2d558ed68fa58e4afcfe5a05c4613f3a

            • memory/240-103-0x0000000005600000-0x0000000005658000-memory.dmp

              Filesize

              352KB

            • memory/240-111-0x0000000005600000-0x0000000005658000-memory.dmp

              Filesize

              352KB

            • memory/240-110-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/240-109-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/240-104-0x0000000005600000-0x0000000005658000-memory.dmp

              Filesize

              352KB

            • memory/240-83-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/240-96-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/240-89-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/1388-60-0x0000000010410000-0x0000000010475000-memory.dmp

              Filesize

              404KB

            • memory/1716-105-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/1716-106-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/1768-54-0x0000000076961000-0x0000000076963000-memory.dmp

              Filesize

              8KB

            • memory/1768-57-0x0000000010410000-0x0000000010475000-memory.dmp

              Filesize

              404KB

            • memory/1768-76-0x00000000104F0000-0x0000000010555000-memory.dmp

              Filesize

              404KB

            • memory/1768-81-0x0000000000460000-0x00000000004B8000-memory.dmp

              Filesize

              352KB

            • memory/1768-84-0x0000000010560000-0x00000000105C5000-memory.dmp

              Filesize

              404KB

            • memory/1768-66-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/1768-55-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/1768-95-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/2004-65-0x00000000751F1000-0x00000000751F3000-memory.dmp

              Filesize

              8KB

            • memory/2004-72-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/2004-108-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/2004-71-0x0000000010480000-0x00000000104E5000-memory.dmp

              Filesize

              404KB

            • memory/2040-98-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/2040-107-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB