Overview

overview

10

Static

static

c93b774f6f...b0.exe

windows7_x64

10

c93b774f6f...b0.exe

windows10_x64

10

Sharing

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General

  • Target

    c93b774f6faa80532d2df3f201e1feb0

  • Size

    706KB

  • Sample

    211104-xel6zaedfp

  • MD5

    c93b774f6faa80532d2df3f201e1feb0

  • SHA1

    fd8cb36758c02b2a76a41a8629c5515009d4398a

  • SHA256

    6108f85080999cc90f2369b72109a3dc7537a3f7f5da14d988b48ca474cdc2d3

  • SHA512

    b0963680b1c2ee0d8dceb948b98f4ad008e01be4bda59c3031adabebfebd2c853de31cfd90f0d9035d142207846510fa2f9c67fc542c971b1727c500fd49de42

Score
10/10
remcosoct endmicrosoftevasionpersistencephishingrattrojan

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Oct End

C2

yjune2021.duckdns.org:3030

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Windows NT session.exe

  • copy_folder

    Windows Start-Ups Manager

  • 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

    Microsoft NT session Jack Players

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    Username;password;proforma;invoice;notepad

Targets

    • Target

      c93b774f6faa80532d2df3f201e1feb0

    • Size

      706KB

    • MD5

      c93b774f6faa80532d2df3f201e1feb0

    • SHA1

      fd8cb36758c02b2a76a41a8629c5515009d4398a

    • SHA256

      6108f85080999cc90f2369b72109a3dc7537a3f7f5da14d988b48ca474cdc2d3

    • SHA512

      b0963680b1c2ee0d8dceb948b98f4ad008e01be4bda59c3031adabebfebd2c853de31cfd90f0d9035d142207846510fa2f9c67fc542c971b1727c500fd49de42

    Score
    10/10
    remcosoct endevasionpersistencerattrojanmicrosoftphishing

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Detected potential entity reuse from brand microsoft.

      phishingmicrosoft

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks