Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2024 18:45

General

  • Target

    f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe

  • Size

    971KB

  • MD5

    e83f4f4d3264f7f94ba49c93a110e0de

  • SHA1

    373d0deb8e94fc157a5815de5bf32d44a38da74f

  • SHA256

    f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7

  • SHA512

    65934c2152fb2caa5099b1f8114c46066bde0af98e23996d58b2015a5120a16a3cf9b766ece96b051785c73a31b2fec6e321a2690aa40796ce711910ad09cedc

  • SSDEEP

    24576:8eXJasfN3LrXZerh5r5R0hpoaxY+G9L4oZV:8cfN3LrQfr5Rupo5CoZV

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

yabobo.duckdns.org:6847

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-0VPBW5

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe
    "C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe
      "C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe"
      2⤵
        PID:4968
      • C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe
        "C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe"
        2⤵
          PID:3844
        • C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe
          "C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2260

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\remcos\logs.dat

        Filesize

        144B

        MD5

        2ecc0106b72d76b16b8655ca65a42cc4

        SHA1

        80d7e10545ac65c181b6c2f7670e4cbe0aaee1cb

        SHA256

        6b5ecf964d9cc5a0f17d49e479d0c1264956616463f73311961d60c9c155aa18

        SHA512

        a4dd099fab9b45f8a74dda7177990bed093e28c3fec31e0aba62e1a89aac22574a549cd82c976f66db730dcda51dbc49b4ed0334eae3f44ecf2035d808f31ef0

      • memory/1364-0-0x000000007481E000-0x000000007481F000-memory.dmp

        Filesize

        4KB

      • memory/1364-1-0x0000000000DD0000-0x0000000000ECA000-memory.dmp

        Filesize

        1000KB

      • memory/1364-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

        Filesize

        5.6MB

      • memory/1364-3-0x0000000005930000-0x00000000059C2000-memory.dmp

        Filesize

        584KB

      • memory/1364-4-0x0000000074810000-0x0000000074FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/1364-5-0x00000000058C0000-0x00000000058CA000-memory.dmp

        Filesize

        40KB

      • memory/1364-6-0x0000000005BC0000-0x0000000005C5C000-memory.dmp

        Filesize

        624KB

      • memory/1364-7-0x0000000005D80000-0x0000000005D9C000-memory.dmp

        Filesize

        112KB

      • memory/1364-8-0x000000007481E000-0x000000007481F000-memory.dmp

        Filesize

        4KB

      • memory/1364-9-0x0000000074810000-0x0000000074FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/1364-10-0x0000000006CF0000-0x0000000006DB4000-memory.dmp

        Filesize

        784KB

      • memory/1364-20-0x0000000074810000-0x0000000074FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2260-11-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-12-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-14-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-19-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-18-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-15-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-21-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-22-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-23-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-24-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-25-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-26-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-27-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-29-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-30-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-31-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-32-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-33-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-34-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-35-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-37-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-38-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-39-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-40-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-41-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-42-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-44-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-45-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-46-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-47-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-48-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-49-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-50-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-52-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-53-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-54-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-55-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-56-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-57-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-58-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-60-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-61-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-62-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-63-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-64-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-65-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-67-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-68-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-69-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-70-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-71-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-72-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-73-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-75-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-76-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-77-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-78-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-79-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-80-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-81-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-83-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-84-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/2260-85-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB