Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    06/07/2023, 14:08

General

  • Target
    bOeS.exe
  • Size 232KB
  • Sample230706-rfjvcaca52
  • SHA256 9f99648517b9f710d70c90aebcf84a8581c894be7e5c04684a2ba4e032d490e1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • remcos

Botnet
  • Arupark1

C2
  • claudia7363.ddns.net:37542

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Vlc.exe

  • copy_folder

    Vlc

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Chrorne-NJMVES

  • 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.

  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bOeS.exe
    "C:\Users\Admin\AppData\Local\Temp\bOeS.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1320

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        logs.dat

        • Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
        • Size 144B
        • SHA256 64dd9f358939f0d76ce53700d27ad2052f4bc993875dca57ad6b4190d2e6b450
        • MD5 SHA1 SHA512

        memory/1320-71-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-77-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-60-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-56-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-63-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-66-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-59-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-69-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-74-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-54-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-80-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-83-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-85-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-88-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-91-0x0000000000400000-0x0000000000489000-memory.dmp

        memory/1320-94-0x0000000000400000-0x0000000000489000-memory.dmp