Overview

overview

10

Static

static

3

4ee75d926b...0N.exe

windows7-x64

10

4ee75d926b...0N.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    4ee75d926b3161e73eab9cfd1f6ffe60N.exe

  • Size

    139KB

  • Sample

    240907-l3mlvsybpq

  • MD5

    4ee75d926b3161e73eab9cfd1f6ffe60

  • SHA1

    52e6e90fbdc6170575b4e988293deb35b155ceaf

  • SHA256

    1cf5af136725445c7b1b36e50aa10aeaa0226204b986da39cd79cd6f71c97528

  • SHA512

    41e88bd551cee3e4569adcbcdc492f1bff71ce6bce3c23ef3e5345742323daf3f4deecc19fc771c5a88d787210eea762402f6ebff3bcb4c344f5a13884253646

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKp:xPd4n/M+WLcilrpgGH/GwY87mVmIX5

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

      4ee75d926b3161e73eab9cfd1f6ffe60N.exe

    • Size

      139KB

    • MD5

      4ee75d926b3161e73eab9cfd1f6ffe60

    • SHA1

      52e6e90fbdc6170575b4e988293deb35b155ceaf

    • SHA256

      1cf5af136725445c7b1b36e50aa10aeaa0226204b986da39cd79cd6f71c97528

    • SHA512

      41e88bd551cee3e4569adcbcdc492f1bff71ce6bce3c23ef3e5345742323daf3f4deecc19fc771c5a88d787210eea762402f6ebff3bcb4c344f5a13884253646

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKp:xPd4n/M+WLcilrpgGH/GwY87mVmIX5

    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