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Overview

overview

10

Static

static

1

198b63cb0b...31.exe

windows7-x64

10

198b63cb0b...31.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    198b63cb0b21f5dcbde993a904d483d2544c314a9b9fe4b627a8301c13fbae31

  • Size

    1011KB

  • Sample

    250324-zrct6syrv7

  • MD5

    fb0b57e2384fc19739bb45994ce5463a

  • SHA1

    79906a1307e8ed7543541f68f10a944bc7d9629c

  • SHA256

    198b63cb0b21f5dcbde993a904d483d2544c314a9b9fe4b627a8301c13fbae31

  • SHA512

    db0ecf99a2ef138ebc3c36eec92ea23feb44c82bc3640a1517b55742e33ec1ee6332d5bd818a01bbd7e44c54cf9e752cd5b40db5a8ced40bab02fff17ee3fd4e

  • SSDEEP

    12288:Up+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AzCk:UpugRNJI1D39dlfGQrFUxwAeAzCk

Score
10/10
remcoshostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      198b63cb0b21f5dcbde993a904d483d2544c314a9b9fe4b627a8301c13fbae31

    • Size

      1011KB

    • MD5

      fb0b57e2384fc19739bb45994ce5463a

    • SHA1

      79906a1307e8ed7543541f68f10a944bc7d9629c

    • SHA256

      198b63cb0b21f5dcbde993a904d483d2544c314a9b9fe4b627a8301c13fbae31

    • SHA512

      db0ecf99a2ef138ebc3c36eec92ea23feb44c82bc3640a1517b55742e33ec1ee6332d5bd818a01bbd7e44c54cf9e752cd5b40db5a8ced40bab02fff17ee3fd4e

    • SSDEEP

      12288:Up+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AzCk:UpugRNJI1D39dlfGQrFUxwAeAzCk

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • 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