Overview

overview

10

Static

static

10

stub.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    stub.exe

  • Size

    469KB

  • Sample

    241120-mjt29szner

  • MD5

    eecc6454151bd19031cb2b258d2a4c9b

  • SHA1

    1bfe8c247be8682c2f620e48ac33175e14f81dda

  • SHA256

    c1a6955a83cac6e02e942ec2537754e00fa46c31fe9256dba3080580dfed2f42

  • SHA512

    b7b9160ecd87fa031a1db6d0cc5ea4748cf6979f7147779586b8a612d285798beb4a012d17dd4a5aa7311a6109f77115ea857162a8348462edc3bde508b7e9c5

  • SSDEEP

    12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSgn9:uiLJbpI7I2WhQqZ7g9

Score
10/10
remcosremotehostdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

else-directors.gl.at.ply.gg:56448

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Bitdefender.exe

  • copy_folder

    Bitdefender

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WZKDKV

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    VisualStudioServer

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      stub.exe

    • Size

      469KB

    • MD5

      eecc6454151bd19031cb2b258d2a4c9b

    • SHA1

      1bfe8c247be8682c2f620e48ac33175e14f81dda

    • SHA256

      c1a6955a83cac6e02e942ec2537754e00fa46c31fe9256dba3080580dfed2f42

    • SHA512

      b7b9160ecd87fa031a1db6d0cc5ea4748cf6979f7147779586b8a612d285798beb4a012d17dd4a5aa7311a6109f77115ea857162a8348462edc3bde508b7e9c5

    • SSDEEP

      12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSgn9:uiLJbpI7I2WhQqZ7g9

    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

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks