Overview

overview

10

Static

static

5

b37515a937...e0.exe

windows7-x64

10

b37515a937...e0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b37515a937556813e10655784614631282a008ae49ab9d79ff8d4c24b9270ae0.exe

  • Size

    1.1MB

  • Sample

    250120-crbwjswpaw

  • MD5

    ec4e2240322c90804817ed3455a555d6

  • SHA1

    4c56cd844e11cdff5d1aebd3a61098491588e985

  • SHA256

    b37515a937556813e10655784614631282a008ae49ab9d79ff8d4c24b9270ae0

  • SHA512

    9137fdf4e7ee4d4cea8baf702eecd994a122a070a90f51c368c2a6c4218392dbf371903070640d02e708cc3c9f613fec2e8d392581a13c883e947afb87c12844

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYv:Xu0c++OCvkGs9Fak4BYv

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.2.0 Pro

Botnet

RemoteHost

C2

185.217.1.142:3337

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    3

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-VBI2IL

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      b37515a937556813e10655784614631282a008ae49ab9d79ff8d4c24b9270ae0.exe

    • Size

      1.1MB

    • MD5

      ec4e2240322c90804817ed3455a555d6

    • SHA1

      4c56cd844e11cdff5d1aebd3a61098491588e985

    • SHA256

      b37515a937556813e10655784614631282a008ae49ab9d79ff8d4c24b9270ae0

    • SHA512

      9137fdf4e7ee4d4cea8baf702eecd994a122a070a90f51c368c2a6c4218392dbf371903070640d02e708cc3c9f613fec2e8d392581a13c883e947afb87c12844

    • SSDEEP

      24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYv:Xu0c++OCvkGs9Fak4BYv

    Score
    10/10
    remcosremotehostdiscoverypersistencerat

    • 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

    • Adds Run key to start application

      persistence

    • Modifies WinLogon

      persistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks