Overview

overview

10

Static

static

3

e5b84db391...18.exe

windows7-x64

7

e5b84db391...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e5b84db39171a7ef29668164307a7571195af72143b80110c47fe5d059367f18

  • Size

    372KB

  • Sample

    250328-y1keyasns5

  • MD5

    ba6a319b5bc264f6a0359bd679122b42

  • SHA1

    67f9a0e414ea18e0aaac806ff3bf82fec16b09d9

  • SHA256

    e5b84db39171a7ef29668164307a7571195af72143b80110c47fe5d059367f18

  • SHA512

    0cd38c22c733e145f2556590d4a3938bf5550e28d99847f27f61dc5eb031905842e4f95914b61a9aa4c15de63876ccf32be276426a59337e42c2f79539aac624

  • SSDEEP

    6144:tBdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhi2:tTqQx+H2i+8LBNbdypazCXY

Score
10/10
remcostinodiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

TINo

C2

185.140.53.140:2404

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

    true

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-5S9O07

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      e5b84db39171a7ef29668164307a7571195af72143b80110c47fe5d059367f18

    • Size

      372KB

    • MD5

      ba6a319b5bc264f6a0359bd679122b42

    • SHA1

      67f9a0e414ea18e0aaac806ff3bf82fec16b09d9

    • SHA256

      e5b84db39171a7ef29668164307a7571195af72143b80110c47fe5d059367f18

    • SHA512

      0cd38c22c733e145f2556590d4a3938bf5550e28d99847f27f61dc5eb031905842e4f95914b61a9aa4c15de63876ccf32be276426a59337e42c2f79539aac624

    • SSDEEP

      6144:tBdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhi2:tTqQx+H2i+8LBNbdypazCXY

    Score
    10/10
    discoveryremcostinopersistencerat

    • Modifies WinLogon for persistence

      persistence

    • 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

    • Modifies WinLogon

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks