Overview

overview

10

Static

static

3

5f9e2a0a06...9N.exe

windows7-x64

10

5f9e2a0a06...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5f9e2a0a06642d138483f7f7c67b8efe635b57a1f9a6106b9e88bc3b78ea7449N

  • Size

    139KB

  • Sample

    240927-xsfaksvcqm

  • MD5

    8e50d1e530bb5ca8f617b762971ded80

  • SHA1

    d4bd64a4e5e4099f4e8528e43d577c2467deeb29

  • SHA256

    5f9e2a0a06642d138483f7f7c67b8efe635b57a1f9a6106b9e88bc3b78ea7449

  • SHA512

    2134a7104e70ac19964beeef8c4f74af245d72b51ffbf110ef0d7cdf185ff31f3a2ea3a46be11a5469415c93a5ff5f48d2286cbc90779323cfd4ff8c28705bb0

  • SSDEEP

    3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVA:xP6/M+WLckOBhVmIYA

Score
10/10
remcoshostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

systemcontrol.ddns.net:45000

systemcontrol2.ddns.net:45000
Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    OfficeUpgrade.exe

  • copy_folder

    OfficeUpgrade

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    Upgrader.dat

  • keylog_flag

    false

  • keylog_folder

    Upgrader

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    req_khauflaoyr

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    OfficeUpgrade

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      5f9e2a0a06642d138483f7f7c67b8efe635b57a1f9a6106b9e88bc3b78ea7449N

    • Size

      139KB

    • MD5

      8e50d1e530bb5ca8f617b762971ded80

    • SHA1

      d4bd64a4e5e4099f4e8528e43d577c2467deeb29

    • SHA256

      5f9e2a0a06642d138483f7f7c67b8efe635b57a1f9a6106b9e88bc3b78ea7449

    • SHA512

      2134a7104e70ac19964beeef8c4f74af245d72b51ffbf110ef0d7cdf185ff31f3a2ea3a46be11a5469415c93a5ff5f48d2286cbc90779323cfd4ff8c28705bb0

    • SSDEEP

      3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVA:xP6/M+WLckOBhVmIYA

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • 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