Overview

overview

10

Static

static

3

d547a1fc80...08.exe

windows7-x64

10

d547a1fc80...08.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d547a1fc80510e3a82c348300cd735b2b92d197a29824a4ef78c18b9f2a4f408

  • Size

    372KB

  • Sample

    250330-za4xbswwex

  • MD5

    014235836ea33134e3d50471a8f0cadf

  • SHA1

    08da83d41ce2da7a2c0982324417f5f942d8cb66

  • SHA256

    d547a1fc80510e3a82c348300cd735b2b92d197a29824a4ef78c18b9f2a4f408

  • SHA512

    6acea1bbb6001a349a2eed0c0e71bb6112b57e2fd496c4934a1207bbc2c5ba64631fc06becc329a374ce49b27e7f4ef80cec44ab4ee743314797903eeea07b60

  • SSDEEP

    6144:tYdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiy+:tiqQx+H2i+8LBNbdypazCXY0

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

      d547a1fc80510e3a82c348300cd735b2b92d197a29824a4ef78c18b9f2a4f408

    • Size

      372KB

    • MD5

      014235836ea33134e3d50471a8f0cadf

    • SHA1

      08da83d41ce2da7a2c0982324417f5f942d8cb66

    • SHA256

      d547a1fc80510e3a82c348300cd735b2b92d197a29824a4ef78c18b9f2a4f408

    • SHA512

      6acea1bbb6001a349a2eed0c0e71bb6112b57e2fd496c4934a1207bbc2c5ba64631fc06becc329a374ce49b27e7f4ef80cec44ab4ee743314797903eeea07b60

    • SSDEEP

      6144:tYdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiy+:tiqQx+H2i+8LBNbdypazCXY0

    Score
    10/10
    remcostinodiscoverypersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • 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