Overview

overview

10

Static

static

0936b77139...e0.exe

windows7-x64

10

0936b77139...e0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0936b7713936d51076fe77b8c8da04e0.exe

  • Size

    846KB

  • Sample

    221027-kfas4sbef3

  • MD5

    0936b7713936d51076fe77b8c8da04e0

  • SHA1

    110a96f1b5c12fd037d859893a24006f0fa3fd04

  • SHA256

    0f4d1dbae1cbb430bd201e362d7325a9a462de60d0fa04de4c3ef871de11248d

  • SHA512

    03dc8b87e52bde6b2b42ccd763c3c38ad5ffe3d15b3f9df347ffbff083373ed7ca7598698088c80e9559f7e749ab5bf38695ca1163c12ba9ae3a7ed1fc244c62

  • SSDEEP

    12288:8Ho/fOuZ8LRDppurpXjit1hUYr10dBtyyGLosbYE8f4VRn2Ar:wUGuZ8tDCRjizhbrW4pE0pVt

Score
10/10
remcosoct 25th rdpmicrosoftevasionpersistencephishingrattrojan

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Oct 25th RDP

C2

gcrozonav.duckdns.org:4045

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Microsoft Intel Audio.exe

  • copy_folder

    Audio Microsoft

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Windows Display

  • keylog_path

    %WinDir%

  • mouse_option

    false

  • mutex

    Windows Audio

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    Windows Security Check

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    Username;password;proforma;invoice;notepad

Targets

    • Target

      0936b7713936d51076fe77b8c8da04e0.exe

    • Size

      846KB

    • MD5

      0936b7713936d51076fe77b8c8da04e0

    • SHA1

      110a96f1b5c12fd037d859893a24006f0fa3fd04

    • SHA256

      0f4d1dbae1cbb430bd201e362d7325a9a462de60d0fa04de4c3ef871de11248d

    • SHA512

      03dc8b87e52bde6b2b42ccd763c3c38ad5ffe3d15b3f9df347ffbff083373ed7ca7598698088c80e9559f7e749ab5bf38695ca1163c12ba9ae3a7ed1fc244c62

    • SSDEEP

      12288:8Ho/fOuZ8LRDppurpXjit1hUYr10dBtyyGLosbYE8f4VRn2Ar:wUGuZ8tDCRjizhbrW4pE0pVt

    Score
    10/10
    remcosoct 25th rdpevasionpersistencerattrojanmicrosoftphishing

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Detected potential entity reuse from brand microsoft.

      phishingmicrosoft

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks