Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2024, 11:48

General

  • Target
    c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160.exe
  • Size 1.0MB
  • Sample240720-nyscnasdrc
  • SHA256 c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • remcos

Botnet
  • henchnewfile

C2
  • 91.223.3.151:4508

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-8DZ5LO

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160.exe
    "C:\Users\Admin\AppData\Local\Temp\c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Users\Admin\AppData\Local\Temp\c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160.exe
      "C:\Users\Admin\AppData\Local\Temp\c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160.exe"
      2⤵
        PID:1800
      • C:\Users\Admin\AppData\Local\Temp\c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160.exe
        "C:\Users\Admin\AppData\Local\Temp\c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160.exe"
        2⤵
          PID:2388

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/2388-22-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-23-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-29-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-28-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-27-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-26-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-25-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-24-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-21-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-16-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-19-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-11-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-12-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-14-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-18-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-20-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2388-15-0x0000000000400000-0x0000000000482000-memory.dmp

            memory/2916-1-0x0000000000750000-0x000000000085A000-memory.dmp

            memory/2916-10-0x000000000AA70000-0x000000000AB0C000-memory.dmp

            memory/2916-9-0x00000000069F0000-0x0000000006AB0000-memory.dmp

            memory/2916-8-0x0000000006840000-0x000000000684E000-memory.dmp

            memory/2916-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

            memory/2916-17-0x0000000074E70000-0x0000000075620000-memory.dmp

            memory/2916-7-0x00000000084C0000-0x00000000084DA000-memory.dmp

            memory/2916-6-0x0000000005760000-0x000000000576A000-memory.dmp

            memory/2916-5-0x0000000074E70000-0x0000000075620000-memory.dmp

            memory/2916-4-0x0000000005390000-0x00000000056E4000-memory.dmp

            memory/2916-3-0x00000000052F0000-0x0000000005382000-memory.dmp

            memory/2916-2-0x00000000058A0000-0x0000000005E44000-memory.dmp