Overview

overview

10

Static

static

3

2bda6048a8...dc.exe

windows7-x64

10

2bda6048a8...dc.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target
    2bda6048a888003443cd18df65f75441974ea3dfa04d524c957b0d7c268654dc.exe
  • Size 750KB
  • Sample240809-bg2tjstfjl
  • SHA256 2bda6048a888003443cd18df65f75441974ea3dfa04d524c957b0d7c268654dc
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosremotehostdiscoveryrat

Malware Config

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • 45.66.231.198:2404

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

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-UPNP8J

  • 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
      2bda6048a888003443cd18df65f75441974ea3dfa04d524c957b0d7c268654dc.exe
    • Size 750KB
    • SHA256 2bda6048a888003443cd18df65f75441974ea3dfa04d524c957b0d7c268654dc
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcosremotehostdiscoveryrat

    • Remcos

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

      ratremcos

    • Loads dropped DLL

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks