Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19/01/2022, 18:17

General

  • Target
    Order 1.19.22.exe
  • Size 814KB
  • Sample220119-ww2sbacbgr
  • SHA256 fe62a7a3e86391e95bbfe46c669fa2ce372d911053342787c9f22f7287c94521
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • remcos

Version
  • 3.2.1 Pro

Botnet
  • RemoteHost

C2
  • janeilla.myddns.me:9711

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-YDT8HI

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Signatures

  • Remcos

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order 1.19.22.exe
    "C:\Users\Admin\AppData\Local\Temp\Order 1.19.22.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\Order 1.19.22.exe
      "C:\Users\Admin\AppData\Local\Temp\Order 1.19.22.exe"
      2⤵
        PID:3928
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
      1⤵
        PID:3384

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/1740-130-0x0000000000760000-0x0000000000834000-memory.dmp

            memory/1740-131-0x0000000005750000-0x0000000005CF4000-memory.dmp

            memory/1740-132-0x0000000005240000-0x00000000052D2000-memory.dmp

            memory/1740-133-0x00000000051F0000-0x00000000051FA000-memory.dmp

            memory/1740-134-0x00000000051A0000-0x0000000005744000-memory.dmp

            memory/1740-135-0x0000000007710000-0x00000000077AC000-memory.dmp

            memory/3928-136-0x0000000000400000-0x0000000000479000-memory.dmp

            memory/3928-137-0x0000000000400000-0x0000000000479000-memory.dmp