Overview

overview

10

Static

static

3

RFQ-STACK1...99.exe

windows7-x64

10

RFQ-STACK1...99.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    RFQ-STACK107947-Handel 9037536899.exe

  • Size

    1.2MB

  • Sample

    250121-j4zayavkdq

  • MD5

    47e1e075f34cfeaf55a5f3a02a2e8737

  • SHA1

    e77a60ba845c8e060af8e836e304becf566238f1

  • SHA256

    e037b1be05a5def69a7692aef31446093ef7c4190215af0a6d742f4724fb1fd3

  • SHA512

    7631c2b8bbdca6836663f6c6a50a2afe17acae17cd31cfcdb81fd1d9b424c6666e24fffe4c9f60266b5c3c6279497eb71d482810a37b7513171355a10c887e85

  • SSDEEP

    24576:bN/BUBb+tYjBFHNuuNVNtaST6Zi223WD8AvpqFXiM0hD6di/Ad:JpUlRhNV7XaSTTB3Wrx+XiM0hDTc

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

206.189.218.238:4782

206.189.218.238:2286

206.189.218.238:3363

206.189.218.238:3386
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-9IFJWE

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      RFQ-STACK107947-Handel 9037536899.exe

    • Size

      1.2MB

    • MD5

      47e1e075f34cfeaf55a5f3a02a2e8737

    • SHA1

      e77a60ba845c8e060af8e836e304becf566238f1

    • SHA256

      e037b1be05a5def69a7692aef31446093ef7c4190215af0a6d742f4724fb1fd3

    • SHA512

      7631c2b8bbdca6836663f6c6a50a2afe17acae17cd31cfcdb81fd1d9b424c6666e24fffe4c9f60266b5c3c6279497eb71d482810a37b7513171355a10c887e85

    • SSDEEP

      24576:bN/BUBb+tYjBFHNuuNVNtaST6Zi223WD8AvpqFXiM0hD6di/Ad:JpUlRhNV7XaSTTB3Wrx+XiM0hDTc

    Score
    10/10
    remcosremotehostdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks