Overview

overview

10

Static

static

10

a.exe

windows7-x64

10

a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a.exe

  • Size

    453KB

  • Sample

    240829-t1m4lsshkr

  • MD5

    02d693c186871b0aba2101233ee64173

  • SHA1

    f5786f6346286e9e61f2c4cde7cf0dd877d103da

  • SHA256

    ec8ecee61aeab54e0622706710e9cbe56cdda7d2b47c5d13ef343092c868120c

  • SHA512

    aa2948a490ed50dbfc8568ee9c521ab52e136894cb5f012d0879640cda5af5de1c41579dbe463bfe15580c51b892155e39bf0bfa883f5fd79d37285b2abeb768

  • SSDEEP

    12288:Emnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSbn9:8iLJbpI7I2WhQqZ7b9

Score
10/10
remcosnewdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

New

C2

173.212.217.108:1050

zab4ever.no-ip.org:1050

1zab4ever.no-ip.org:1050

1zab4ever.duckdns.org:1050
Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    BrowseUpdt.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    nobita.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    khruioprs-T021C4

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    BrowseUpdt

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      a.exe

    • Size

      453KB

    • MD5

      02d693c186871b0aba2101233ee64173

    • SHA1

      f5786f6346286e9e61f2c4cde7cf0dd877d103da

    • SHA256

      ec8ecee61aeab54e0622706710e9cbe56cdda7d2b47c5d13ef343092c868120c

    • SHA512

      aa2948a490ed50dbfc8568ee9c521ab52e136894cb5f012d0879640cda5af5de1c41579dbe463bfe15580c51b892155e39bf0bfa883f5fd79d37285b2abeb768

    • SSDEEP

      12288:Emnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSbn9:8iLJbpI7I2WhQqZ7b9

    Score
    10/10
    remcosnewdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • 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