Overview

overview

10

Static

static

1

recover.bat

windows7-x64

1

recover.bat

windows10-2004-x64

10

Sharing

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General

  • Target
    recover.bat
  • Size 277KB
  • Sample230708-vbnvaagf7w
  • SHA256 4fa02ec602055dfbdb1d639b3d265d8f7b20d6cd328fdb62dd77b7a1aad5829a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosnewremevasionpersistencerattrojan

Malware Config

Extracted

Family

  • remcos

Botnet

  • NewRem

C2

  • 141.95.16.111:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Terminal.exe

  • copy_folder

    Terminal

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Terminal

  • mouse_option

    false

  • mutex

    Rmc-5HBYBR

  • 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
      recover.bat
    • Size 277KB
    • SHA256 4fa02ec602055dfbdb1d639b3d265d8f7b20d6cd328fdb62dd77b7a1aad5829a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcosnewremevasionpersistencerattrojan

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks