Analysis

  • max time kernel
    204s
  • max time network
    206s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 05:10

General

  • Target

    43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104.exe

  • Size

    1.2MB

  • MD5

    817c6a079cf665ffa0f251268c5906b7

  • SHA1

    5fbbf6401e19a050e8f5263166dd19551366d6a0

  • SHA256

    43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104

  • SHA512

    75e30bd47eb08ebe88fee68f9adb9b0992e22542934fb418488cd3a7362d42dec9e3b9351ed117cd8a8d7530e4011bd2217e2f47a292cc39f32f7833bdb1a587

  • SSDEEP

    3072:ELC3FLWdD31SJNqqE0/U/1ZEcychxAJE+QNV4+AFEgBZ9INUH22lVpo2wiMpPTWJ:jPnQpA

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

DonKey

C2

sorry.no-ip.biz:5555

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    spynet

  • 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 2 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.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 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 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104.exe
    "C:\Users\Admin\AppData\Local\Temp\43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104.exe
      "C:\Users\Admin\AppData\Local\Temp\43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104.exe"
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Modifies Installed Components in the registry
        PID:624
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:1756
        • C:\Users\Admin\AppData\Local\Temp\43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104.exe
          "C:\Users\Admin\AppData\Local\Temp\43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104.exe"
          3⤵
          • Loads dropped DLL
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1280
          • C:\spynet\server.exe
            "C:\spynet\server.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of SetWindowsHookEx
            PID:1632
            • C:\spynet\server.exe
              "C:\spynet\server.exe"
              5⤵
              • Executes dropped EXE
              PID:1108
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1256

      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

        2560477aab31c3c7d9b2752723f666ad

        SHA1

        9149316345df0bbc2cecfa6963904dd4671f6282

        SHA256

        c5302f8b58714a06715c47228ba123cf0d1bb2c8afd616eb12e4a77803c2585b

        SHA512

        2ca323208e12c16d7005422168b279207173daabbee177961fbc4a0489e13f0a65f348c8d177a34ca180456c6573625c1bebab2b5d6c3a35231fb65862425d23

      • C:\spynet\server.exe

        Filesize

        1.2MB

        MD5

        817c6a079cf665ffa0f251268c5906b7

        SHA1

        5fbbf6401e19a050e8f5263166dd19551366d6a0

        SHA256

        43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104

        SHA512

        75e30bd47eb08ebe88fee68f9adb9b0992e22542934fb418488cd3a7362d42dec9e3b9351ed117cd8a8d7530e4011bd2217e2f47a292cc39f32f7833bdb1a587

      • C:\spynet\server.exe

        Filesize

        1.2MB

        MD5

        817c6a079cf665ffa0f251268c5906b7

        SHA1

        5fbbf6401e19a050e8f5263166dd19551366d6a0

        SHA256

        43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104

        SHA512

        75e30bd47eb08ebe88fee68f9adb9b0992e22542934fb418488cd3a7362d42dec9e3b9351ed117cd8a8d7530e4011bd2217e2f47a292cc39f32f7833bdb1a587

      • C:\spynet\server.exe

        Filesize

        1.2MB

        MD5

        817c6a079cf665ffa0f251268c5906b7

        SHA1

        5fbbf6401e19a050e8f5263166dd19551366d6a0

        SHA256

        43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104

        SHA512

        75e30bd47eb08ebe88fee68f9adb9b0992e22542934fb418488cd3a7362d42dec9e3b9351ed117cd8a8d7530e4011bd2217e2f47a292cc39f32f7833bdb1a587

      • \spynet\server.exe

        Filesize

        1.2MB

        MD5

        817c6a079cf665ffa0f251268c5906b7

        SHA1

        5fbbf6401e19a050e8f5263166dd19551366d6a0

        SHA256

        43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104

        SHA512

        75e30bd47eb08ebe88fee68f9adb9b0992e22542934fb418488cd3a7362d42dec9e3b9351ed117cd8a8d7530e4011bd2217e2f47a292cc39f32f7833bdb1a587

      • \spynet\server.exe

        Filesize

        1.2MB

        MD5

        817c6a079cf665ffa0f251268c5906b7

        SHA1

        5fbbf6401e19a050e8f5263166dd19551366d6a0

        SHA256

        43d12ae3eb6d30e956b78b54847f6cd9d4e7be6242caece00ca7cfd45c9f0104

        SHA512

        75e30bd47eb08ebe88fee68f9adb9b0992e22542934fb418488cd3a7362d42dec9e3b9351ed117cd8a8d7530e4011bd2217e2f47a292cc39f32f7833bdb1a587

      • memory/624-78-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/624-110-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/624-69-0x0000000000000000-mapping.dmp

      • memory/624-71-0x0000000074E11000-0x0000000074E13000-memory.dmp

        Filesize

        8KB

      • memory/624-79-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1096-61-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1096-56-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1096-72-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1096-81-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/1096-58-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1096-59-0x00000000758C1000-0x00000000758C3000-memory.dmp

        Filesize

        8KB

      • memory/1096-89-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1096-60-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1096-95-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1096-73-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1096-57-0x000000000040BBF4-mapping.dmp

      • memory/1096-63-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1108-104-0x000000000040BBF4-mapping.dmp

      • memory/1108-108-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1108-109-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1108-111-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/1256-66-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1280-102-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1280-94-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1280-112-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1280-85-0x0000000000000000-mapping.dmp

      • memory/1632-98-0x0000000000000000-mapping.dmp