Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/02/2024, 04:57

General

  • Target

    0180ff6061f280ac6c5a2bf84dde5f6ea4a056c7cbf14f796d48c62f2290fcfe.exe

  • Size

    48KB

  • MD5

    1664885f055e52e20320abe1e2d6748d

  • SHA1

    91c461e040f6c00437e8b703c39014f612a72508

  • SHA256

    0180ff6061f280ac6c5a2bf84dde5f6ea4a056c7cbf14f796d48c62f2290fcfe

  • SHA512

    4df548f7f5252c40951b538ef4bc0e7a77de29e5aad74e7cffb22be9c64d8f7b1b08beabb6ff03b7cd2cdecf2daccfb5a59b47c44ddfc4218a2b4879ea0afb42

  • SSDEEP

    768:p+TeBcj6u6tJ6IBBc/gyOD6elCQ8DySUrPFS7Zw6KZsLbVNkidl:p+TeBct6y/gt22Q05T6KAVNn

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

983733

C2

windowslvlssfebupdate.duckdns.org:4241

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

    87363-Q6VFRV

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF 1 IoCs
  • Detects executables containing artifacts associated with disabling Widnows Defender 1 IoCs
  • Detects executables embedding command execution via IExecuteCommand COM object 1 IoCs
  • Detects executables potentially checking for WinJail sandbox window 2 IoCs
  • detects Windows exceutables potentially bypassing UAC using eventvwr.exe 17 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0180ff6061f280ac6c5a2bf84dde5f6ea4a056c7cbf14f796d48c62f2290fcfe.exe
    "C:\Users\Admin\AppData\Local\Temp\0180ff6061f280ac6c5a2bf84dde5f6ea4a056c7cbf14f796d48c62f2290fcfe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\calc.exe
      "C:\Windows\SYSWOW64\calc.exe"
      2⤵
        PID:4780

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1628-0-0x00000000743F0000-0x0000000074BA0000-memory.dmp

            Filesize

            7.7MB

          • memory/1628-1-0x0000000000080000-0x0000000000092000-memory.dmp

            Filesize

            72KB

          • memory/1628-2-0x0000000004990000-0x00000000049AA000-memory.dmp

            Filesize

            104KB

          • memory/1628-3-0x0000000004F90000-0x0000000005534000-memory.dmp

            Filesize

            5.6MB

          • memory/1628-4-0x0000000004AC0000-0x0000000004B52000-memory.dmp

            Filesize

            584KB

          • memory/1628-5-0x0000000004D50000-0x0000000004D60000-memory.dmp

            Filesize

            64KB

          • memory/1628-6-0x0000000004B70000-0x0000000004B7A000-memory.dmp

            Filesize

            40KB

          • memory/1628-7-0x00000000743F0000-0x0000000074BA0000-memory.dmp

            Filesize

            7.7MB

          • memory/1628-8-0x00000000074C0000-0x000000000755C000-memory.dmp

            Filesize

            624KB

          • memory/1628-9-0x0000000007420000-0x00000000074BE000-memory.dmp

            Filesize

            632KB

          • memory/1628-16-0x00000000743F0000-0x0000000074BA0000-memory.dmp

            Filesize

            7.7MB

          • memory/4780-14-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-22-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-15-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-11-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-10-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-17-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-18-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-19-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-20-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-13-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-23-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-24-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-25-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-26-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-27-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-28-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

          • memory/4780-29-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB