Overview

overview

10

Static

static

3

excel.exe

windows7-x64

10

excel.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    excel.exe

  • Size

    1.0MB

  • Sample

    240824-xm5chswcqq

  • MD5

    e27d56543ed9f63f27ce9de7222059ab

  • SHA1

    6dd4fb5f2a72f055b2dda672a731fd7adf63aaa0

  • SHA256

    3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d

  • SHA512

    9b36200aa2d45043d3e4e12c6ef308c6f0fd6616900dc29524cd79b5bebc4d1cd0ecc27884b00ce491a85143c444d2e7d7c2e69573204146bf1250239a20f01c

  • SSDEEP

    24576:9J23hprGGlw6WuIy4HVHPA6DKostY3foGnoXnUrvSA:9J2TqGlauIy4HlDKoOmfX2

Score
10/10
remcosremotehostdiscoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

91.92.241.171:89

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-ERWHKE

  • 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

      excel.exe

    • Size

      1.0MB

    • MD5

      e27d56543ed9f63f27ce9de7222059ab

    • SHA1

      6dd4fb5f2a72f055b2dda672a731fd7adf63aaa0

    • SHA256

      3c1f8c10253bfe7388f5d51391a2253b56e348f92ec68ad70f78a4d7f526147d

    • SHA512

      9b36200aa2d45043d3e4e12c6ef308c6f0fd6616900dc29524cd79b5bebc4d1cd0ecc27884b00ce491a85143c444d2e7d7c2e69573204146bf1250239a20f01c

    • SSDEEP

      24576:9J23hprGGlw6WuIy4HVHPA6DKostY3foGnoXnUrvSA:9J2TqGlauIy4HlDKoOmfX2

    Score
    10/10
    remcosremotehostdiscoveryexecutionrat

    • Remcos

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

      ratremcos

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks