Overview

overview

10

Static

static

1

ByDurieuxC...24.vbs

windows7-x64

8

ByDurieuxC...24.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    0e9c7d63adda52904de696daeb79578acb4a775f9b78a3212ebd410b053654f1.iso

  • Size

    86KB

  • Sample

    241022-bflqyaxenc

  • MD5

    5205c8ac14b3aecab52dda85a453688b

  • SHA1

    5de78f1c726bedcb5acda41719edfe93db8788fe

  • SHA256

    0e9c7d63adda52904de696daeb79578acb4a775f9b78a3212ebd410b053654f1

  • SHA512

    36b6ebb2016f2b8d430b9c49f989de394341b2505c79ea4e5f007b541db32a518db3c746797dd008630af11da15d78e2ab6a438b370d1bd8142cdbca606a76f7

  • SSDEEP

    384:80rCiFq74ZyPbHapGgkpLVjbUErWxljm7Gd8:80ez74ZyPwXoV+xVm6d8

Score
10/10
remcos520discoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

520

C2

renajazinw.duckdns.org:53848

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Windeep.exe

  • copy_folder

    AppDir

  • 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-N1P6UN

  • 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

      ByDurieuxCerere021010024.vbs

    • Size

      25KB

    • MD5

      f0b294ee638bb4d395cd75451e71a6b6

    • SHA1

      8bf584b1806091823b343cd6b49f369258a44d23

    • SHA256

      a5eb3dd84918b7e65d9d2193775aeda26375c600c089dad2eecb9259c7b0dcc2

    • SHA512

      a1c9bbadff52083f88316059598eee4d5d45902d1bf7ba85ce625451195e6721246a2f758b458fa960f24a2f3a0dbf6b7506adc5039f1b197536d3b83711e3cc

    • SSDEEP

      384:XrCiFq74ZyPbHapGgkpLVjbUErWxljm7Gd8y:Xez74ZyPwXoV+xVm6d8y

    Score
    10/10
    discoveryremcos520persistencerat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks