Overview

overview

10

Static

static

10

Bitdefender.exe

windows10-2004-x64

10

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General

  • Target

    Bitdefender.exe

  • Size

    469KB

  • Sample

    250119-yvtrestlet

  • MD5

    baf43b94ed446d6a8af7f6f86843dc55

  • SHA1

    c78f32af1c8c40e7c6d2a456176e087021b6ca04

  • SHA256

    e1c2669107962ac88f28da0375eb0c5aa30f529b4567668311832d8d0aba11e7

  • SHA512

    e81659b5da1438d8798ac5ea7c3b19a16d7850f0abf48b46d38611fbb73b6e6ad791d5b6e778ec4fad4febdaad7f6bbc7e0169b65957ea821012c007d478749b

  • SSDEEP

    12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSsn9:uiLJbpI7I2WhQqZ7s9

Score
10/10
remcosremotehostdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

pst-billion.gl.at.ply.gg:22719

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    sysroot.exe

  • copy_folder

    Bitdefender

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Z1OZSO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Bitdefender

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Bitdefender.exe

    • Size

      469KB

    • MD5

      baf43b94ed446d6a8af7f6f86843dc55

    • SHA1

      c78f32af1c8c40e7c6d2a456176e087021b6ca04

    • SHA256

      e1c2669107962ac88f28da0375eb0c5aa30f529b4567668311832d8d0aba11e7

    • SHA512

      e81659b5da1438d8798ac5ea7c3b19a16d7850f0abf48b46d38611fbb73b6e6ad791d5b6e778ec4fad4febdaad7f6bbc7e0169b65957ea821012c007d478749b

    • SSDEEP

      12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSsn9:uiLJbpI7I2WhQqZ7s9

    Score
    10/10
    remcosremotehostdiscoveryevasionpersistencerattrojan

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • UAC bypass

      evasiontrojan

    • Adds policy Run key to start application

      persistence

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks