Overview

overview

10

Static

static

5

f3b4bd0138...9N.exe

windows7-x64

10

f3b4bd0138...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3b4bd01388ef8fa3e63da36192a1b56d027c13df4375986c2f0404e16ab9b39N.exe

  • Size

    1.1MB

  • Sample

    250121-q76mraxmbm

  • MD5

    dff5bc998ddfd798021618996b0ffaf0

  • SHA1

    f72cea36ec7f73e2738fc85fae62b6b48ee2d382

  • SHA256

    f3b4bd01388ef8fa3e63da36192a1b56d027c13df4375986c2f0404e16ab9b39

  • SHA512

    3e9129e64b8c7abb8bba61458c88c9c0cdd87eaa82d8b1d84b6cd39fdc71f786e11471c80e92b8fb94e8abc93812ba46140fc9f5f89e0c46e754b2f049ca5ee8

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYy:Xu0c++OCvkGs9Fak4BYy

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

      f3b4bd01388ef8fa3e63da36192a1b56d027c13df4375986c2f0404e16ab9b39N.exe

    • Size

      1.1MB

    • MD5

      dff5bc998ddfd798021618996b0ffaf0

    • SHA1

      f72cea36ec7f73e2738fc85fae62b6b48ee2d382

    • SHA256

      f3b4bd01388ef8fa3e63da36192a1b56d027c13df4375986c2f0404e16ab9b39

    • SHA512

      3e9129e64b8c7abb8bba61458c88c9c0cdd87eaa82d8b1d84b6cd39fdc71f786e11471c80e92b8fb94e8abc93812ba46140fc9f5f89e0c46e754b2f049ca5ee8

    • SSDEEP

      24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYy:Xu0c++OCvkGs9Fak4BYy

    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