Overview

overview

10

Static

static

3

85502e59a1...41.exe

windows7-x64

3

85502e59a1...41.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    85502e59a1632b69b489891356d31f6a06d788073c744e1ac55bd03f166c5241

  • Size

    677KB

  • Sample

    241115-yq1zya1crj

  • MD5

    3b72f732f216136775f6aebdbda1ba0b

  • SHA1

    f64deba6e108c2690a1f10ac0cd1a530cf3d16f8

  • SHA256

    85502e59a1632b69b489891356d31f6a06d788073c744e1ac55bd03f166c5241

  • SHA512

    8df9b062f2d82724fe186d18f30f2896eb93a591a38d5be33fcfb922722864c9f2b8a9324457b4eb41be1c08a546cd16b8319a0bfe41c81b1c0101f182804945

  • SSDEEP

    12288:g+/D317UULVEwJP85xXtN1TrlHoACk9tclfmD/Q+6YTWiEOcW7scrzk:7DxUbXH1VIk+ubQ+DP8W77Pk

Score
10/10
remcosfreshdiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Fresh

C2

lafours8tursot1.duckdns.org:2879

lafours8tursot1.duckdns.org:2889

lafours8tursot2.duckdns.org:2879

lafours8tursot3.duckdns.org:2879
Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    ioeoest.dat

  • keylog_flag

    false

  • mouse_option

    false

  • mutex

    iomdjtru-ZWTOJI

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      85502e59a1632b69b489891356d31f6a06d788073c744e1ac55bd03f166c5241

    • Size

      677KB

    • MD5

      3b72f732f216136775f6aebdbda1ba0b

    • SHA1

      f64deba6e108c2690a1f10ac0cd1a530cf3d16f8

    • SHA256

      85502e59a1632b69b489891356d31f6a06d788073c744e1ac55bd03f166c5241

    • SHA512

      8df9b062f2d82724fe186d18f30f2896eb93a591a38d5be33fcfb922722864c9f2b8a9324457b4eb41be1c08a546cd16b8319a0bfe41c81b1c0101f182804945

    • SSDEEP

      12288:g+/D317UULVEwJP85xXtN1TrlHoACk9tclfmD/Q+6YTWiEOcW7scrzk:7DxUbXH1VIk+ubQ+DP8W77Pk

    Score
    10/10
    discoveryexecutionremcosfreshpersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks