Overview

overview

10

Static

static

1

857cc9b2e6...d4.vbs

windows7-x64

8

857cc9b2e6...d4.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    857cc9b2e6ba71e001ff2039a1d3a795e54a8cb99df9362b6ebc255de7aaaad4.vbs

  • Size

    15KB

  • Sample

    241022-b16xlsyhld

  • MD5

    56815d5ebf721c3782ecbc8b415f1c0a

  • SHA1

    4bc177cad4a63528f271a3578a12418f96123f69

  • SHA256

    857cc9b2e6ba71e001ff2039a1d3a795e54a8cb99df9362b6ebc255de7aaaad4

  • SHA512

    17d397695b10f7cd8d94ed23cc7f0e7da07ae36133a47365dc3a747e1850196bbc73b86ce34076a25f161d8235b7fc2beddd2e3f3ae3ea5e00822b2b6e984207

  • SSDEEP

    192:yLqqhqxwJrpWlUZVYxIin3lnmLspomTQLGIgAC/rlnCkRcSKWInZo/kpJcGPJZMi:HqJJroZudLsnTaGgPJmxNSiMFpWnk

Score
10/10
remcosremotehostdiscoveryexecutionrat

Malware Config

Extracted

Family

remcos

Version

5.1.3 Light

Botnet

RemoteHost

C2

154.216.17.141:5922

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-MBKA6A

  • 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

      857cc9b2e6ba71e001ff2039a1d3a795e54a8cb99df9362b6ebc255de7aaaad4.vbs

    • Size

      15KB

    • MD5

      56815d5ebf721c3782ecbc8b415f1c0a

    • SHA1

      4bc177cad4a63528f271a3578a12418f96123f69

    • SHA256

      857cc9b2e6ba71e001ff2039a1d3a795e54a8cb99df9362b6ebc255de7aaaad4

    • SHA512

      17d397695b10f7cd8d94ed23cc7f0e7da07ae36133a47365dc3a747e1850196bbc73b86ce34076a25f161d8235b7fc2beddd2e3f3ae3ea5e00822b2b6e984207

    • SSDEEP

      192:yLqqhqxwJrpWlUZVYxIin3lnmLspomTQLGIgAC/rlnCkRcSKWInZo/kpJcGPJZMi:HqJJroZudLsnTaGgPJmxNSiMFpWnk

    Score
    10/10
    executionremcosremotehostdiscoveryrat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks