Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 18:17

General

  • Target

    e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe

  • Size

    2.0MB

  • MD5

    4c19699cbaac64e5bc471cef0b6f0e68

  • SHA1

    08b8eb14d91085cc02448874c134c9d1905ae597

  • SHA256

    e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a

  • SHA512

    76772e10da3f4f3fa540869be721ff8b2249994a6795a338bfda789fe9090d442820991df415349675d8a050998595735f563515c479d3e65de2949d9e1c7065

  • SSDEEP

    12288:t+LbX5HPxKOza48US5HbWjKEhz8DEkE+jZZk/TVRzAy1LsAoKLjmVD1a:ALlHPIgtSxbSKEHkH+/TVRzVsA6VD1a

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.220.30:8080

Attributes
  • audio_folder

    MicRecords

  • 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-SF7E52

  • 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 1 IoCs

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

  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe
    "C:\Users\Admin\AppData\Local\Temp\e5cb1dc5f98ed0a82fb5d98f858c5efc7a23ea7f62071a00a8d40a85591ff67a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe"
      2⤵
        PID:1944
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
        2⤵
          PID:1864
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1492
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
            PID:2764

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1492-32-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1944-10-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1944-4-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1944-6-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1944-16-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1944-14-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1944-12-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1944-8-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1944-5-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2104-2-0x000007FEF5900000-0x000007FEF62EC000-memory.dmp

          Filesize

          9.9MB

        • memory/2104-3-0x000000001AF40000-0x000000001B012000-memory.dmp

          Filesize

          840KB

        • memory/2104-0-0x000007FEF5903000-0x000007FEF5904000-memory.dmp

          Filesize

          4KB

        • memory/2104-1-0x0000000001360000-0x0000000001366000-memory.dmp

          Filesize

          24KB

        • memory/2104-33-0x000007FEF5900000-0x000007FEF62EC000-memory.dmp

          Filesize

          9.9MB