Overview

overview

10

Static

static

3

c9624e6bd4...d5.exe

windows10-2004-x64

10

c9624e6bd4...d5.exe

windows11-ltsc_2024-x64

10

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...gs.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows11-ltsc_2024-x64

3

Sharing

Copy URL Twitter E-mail

General

  • Target
    c9624e6bd4e2336c04ac9a5ccbb67a5f66312528fa839547e4a543f12aa46ad5.exe
  • Size 859KB
  • Sample260801-kdaeka1eqa
  • SHA256 c9624e6bd4e2336c04ac9a5ccbb67a5f66312528fa839547e4a543f12aa46ad5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosremotehostdiscoveryexecutioninstallerrat

Malware Config

Extracted

Family

  • remcos

Version

  • 7.2.5 Pro

Botnet

  • RemoteHost

C2

  • 204.10.160.191:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-4J0YSW

  • 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
      c9624e6bd4e2336c04ac9a5ccbb67a5f66312528fa839547e4a543f12aa46ad5.exe
    • Size 859KB
    • SHA256 c9624e6bd4e2336c04ac9a5ccbb67a5f66312528fa839547e4a543f12aa46ad5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    remotehostdiscoveryexecutionremcosrat

    • Family: Remcos

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

      ratremcos

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 a44ca08afb3f6bafd76aa35c259f3d599fe34f6f49ea5118626c1c1a540b0f03
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral3behavioral4
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 7853be9190489ba84dae8232e9a967cec02d941732cb4137bc9ae6a392e89fb8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral5behavioral6
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 e20666c498941d36bfd0eae411ad73c475d043cee39b50c31734a70eecaae0bb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral7behavioral8

MITRE ATT&CK Enterprise v16

Tasks