Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 20:53

General

  • Target

    5f1e1785ec629e87d8ffcd49e2d05e77c5ce9c4fcb58be3191382ad2251a9197.exe

  • Size

    383KB

  • MD5

    001886eaf911b60eb7f4d6a0386ddf52

  • SHA1

    4055a42afdc92ea0677de3b5c98f1c50418c2dcd

  • SHA256

    5f1e1785ec629e87d8ffcd49e2d05e77c5ce9c4fcb58be3191382ad2251a9197

  • SHA512

    7b09761698b49ed884640766c203a37be705e326bc5e694405a0e050eadbbe56374aa2b2395009a6ab62389055d2320177501f30247eb84ba973e6276c1b2266

  • SSDEEP

    6144:KpNuoZB8CycM3Dssdg2/Cj+UeojKzJzkI89sxLFQslZB0InorWY1KV5PPByWj5xu:yLM3DXdg26jkuKdkI89Rq0EGWlEW9U

Malware Config

Extracted

Family

cybergate

Version

v1.15.3

Botnet

remote

C2

gazbe.no-ip.biz:82

Mutex

MHH2YBWUI65A5E

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

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    lolalola

  • 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
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 10 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1260
      • C:\Users\Admin\AppData\Local\Temp\5f1e1785ec629e87d8ffcd49e2d05e77c5ce9c4fcb58be3191382ad2251a9197.exe
        "C:\Users\Admin\AppData\Local\Temp\5f1e1785ec629e87d8ffcd49e2d05e77c5ce9c4fcb58be3191382ad2251a9197.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Users\Admin\AppData\Local\Temp\5f1e1785ec629e87d8ffcd49e2d05e77c5ce9c4fcb58be3191382ad2251a9197.exe
          C:\Users\Admin\AppData\Local\Temp\5f1e1785ec629e87d8ffcd49e2d05e77c5ce9c4fcb58be3191382ad2251a9197.exe
          3⤵
          • 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:696
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:1716
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:1508
            • C:\Users\Admin\AppData\Local\Temp\5f1e1785ec629e87d8ffcd49e2d05e77c5ce9c4fcb58be3191382ad2251a9197.exe
              "C:\Users\Admin\AppData\Local\Temp\5f1e1785ec629e87d8ffcd49e2d05e77c5ce9c4fcb58be3191382ad2251a9197.exe"
              4⤵
              • Drops file in System32 directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1692

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        238KB

        MD5

        f14346d1c608bf7e26ec007111cdac85

        SHA1

        036e9d7d23d2ac8795db62c2db239de6f9a4d9a0

        SHA256

        7fae42f8796e1d1a358f78a5fe8e2f4c85e0169fffd40c1f8f11cd6dbe9fcde8

        SHA512

        5b4555086fc1e6ca3a3c3f27c958addff7822653e20cf869878dbad273566e96353779ef7c501bea5dd402e33aa7af430382355c1c0e3bd543d61c45f5301ef6

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

        Filesize

        383KB

        MD5

        001886eaf911b60eb7f4d6a0386ddf52

        SHA1

        4055a42afdc92ea0677de3b5c98f1c50418c2dcd

        SHA256

        5f1e1785ec629e87d8ffcd49e2d05e77c5ce9c4fcb58be3191382ad2251a9197

        SHA512

        7b09761698b49ed884640766c203a37be705e326bc5e694405a0e050eadbbe56374aa2b2395009a6ab62389055d2320177501f30247eb84ba973e6276c1b2266

      • memory/696-71-0x0000000010490000-0x0000000010502000-memory.dmp

        Filesize

        456KB

      • memory/696-58-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

      • memory/696-60-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

      • memory/696-62-0x0000000010410000-0x0000000010482000-memory.dmp

        Filesize

        456KB

      • memory/696-94-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

      • memory/696-59-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

      • memory/696-87-0x0000000010590000-0x0000000010602000-memory.dmp

        Filesize

        456KB

      • memory/696-56-0x0000000000400000-0x000000000044D000-memory.dmp

        Filesize

        308KB

      • memory/696-81-0x0000000010510000-0x0000000010582000-memory.dmp

        Filesize

        456KB

      • memory/696-57-0x0000000000409FE4-mapping.dmp

      • memory/1260-65-0x0000000010410000-0x0000000010482000-memory.dmp

        Filesize

        456KB

      • memory/1692-92-0x0000000010590000-0x0000000010602000-memory.dmp

        Filesize

        456KB

      • memory/1692-85-0x0000000000000000-mapping.dmp

      • memory/1692-93-0x0000000010590000-0x0000000010602000-memory.dmp

        Filesize

        456KB

      • memory/1692-96-0x0000000010590000-0x0000000010602000-memory.dmp

        Filesize

        456KB

      • memory/1716-77-0x0000000010490000-0x0000000010502000-memory.dmp

        Filesize

        456KB

      • memory/1716-76-0x0000000010490000-0x0000000010502000-memory.dmp

        Filesize

        456KB

      • memory/1716-70-0x0000000074CF1000-0x0000000074CF3000-memory.dmp

        Filesize

        8KB

      • memory/1716-69-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

        Filesize

        8KB

      • memory/1716-68-0x0000000000000000-mapping.dmp

      • memory/1716-95-0x0000000010490000-0x0000000010502000-memory.dmp

        Filesize

        456KB