Overview

overview

10

Static

static

3

4ae547380e...4N.exe

windows7-x64

10

4ae547380e...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4ae547380e6f6b766df71883c85be7e3d60ad82b2c506db23eb4cbb39d17e1f4N.exe

  • Size

    372KB

  • Sample

    250217-drjf3axrgr

  • MD5

    ff79a437e2a66df52d5794aa513ab7f0

  • SHA1

    543f85989323d5675cb6c8308f99e259aedbca29

  • SHA256

    4ae547380e6f6b766df71883c85be7e3d60ad82b2c506db23eb4cbb39d17e1f4

  • SHA512

    b8b234ff15510d23a158ff3de8cc79a0f07bbc120b7e111a2759e133782f5cc498bfdc09141a6a0fbb6f37726191c611f43319c6ece29a62ed181a7611f01b01

  • SSDEEP

    6144:t1dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiS+:tXqQx+H2i+8LBNbdypazCXYM

Score
10/10
remcostinodiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

TINo

C2

185.140.53.140:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-5S9O07

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      4ae547380e6f6b766df71883c85be7e3d60ad82b2c506db23eb4cbb39d17e1f4N.exe

    • Size

      372KB

    • MD5

      ff79a437e2a66df52d5794aa513ab7f0

    • SHA1

      543f85989323d5675cb6c8308f99e259aedbca29

    • SHA256

      4ae547380e6f6b766df71883c85be7e3d60ad82b2c506db23eb4cbb39d17e1f4

    • SHA512

      b8b234ff15510d23a158ff3de8cc79a0f07bbc120b7e111a2759e133782f5cc498bfdc09141a6a0fbb6f37726191c611f43319c6ece29a62ed181a7611f01b01

    • SSDEEP

      6144:t1dgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiS+:tXqQx+H2i+8LBNbdypazCXYM

    Score
    10/10
    remcostinodiscoverypersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Modifies WinLogon

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks