Overview

overview

10

Static

static

1

Fluor RFQ1...df.vbs

windows7-x64

8

Fluor RFQ1...df.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    Fluor RFQ1475·pdf.vbs

  • Size

    15KB

  • Sample

    241118-vqaafa1hjm

  • MD5

    695ec6cd0d4d8abaab5bed4e4f37153d

  • SHA1

    027b2b36b69e9f41bc5b54493533d8b417192255

  • SHA256

    3bb02f08d2d70b6f126d045a385a241330dbe96689304c48f1b9a1958297a060

  • SHA512

    36a68f1693a03903990cf86eafe285cacab31b8b89a2a7c033e06545942604d8c735f4ff4d15d33c77e83379d74064954cd12a5fcb1bc3ea2b6cc289ef63ae1c

  • SSDEEP

    384:aCTCJn/NHU8wde1pmZaKHQtL1YNBcYK7CB7qdgcKU:JuJnFH/w6pmmtl5WB7qm8

Score
10/10
remcosremotehostdiscoveryevasionrattrojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

mtt9kw1mj.duckdns.org:23458

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

    true

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-28YJO8

  • 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

      Fluor RFQ1475·pdf.vbs

    • Size

      15KB

    • MD5

      695ec6cd0d4d8abaab5bed4e4f37153d

    • SHA1

      027b2b36b69e9f41bc5b54493533d8b417192255

    • SHA256

      3bb02f08d2d70b6f126d045a385a241330dbe96689304c48f1b9a1958297a060

    • SHA512

      36a68f1693a03903990cf86eafe285cacab31b8b89a2a7c033e06545942604d8c735f4ff4d15d33c77e83379d74064954cd12a5fcb1bc3ea2b6cc289ef63ae1c

    • SSDEEP

      384:aCTCJn/NHU8wde1pmZaKHQtL1YNBcYK7CB7qdgcKU:JuJnFH/w6pmmtl5WB7qm8

    Score
    10/10
    remcosremotehostdiscoveryevasionrattrojan

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • UAC bypass

      evasiontrojan

    • Blocklisted process makes network request

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks