Malware Analysis Report

2024-12-07 03:17

Sample ID 241114-felf1atqct
Target fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853
SHA256 fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853
Tags
host remcos discovery rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853

Threat Level: Known bad

The file fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853 was found to be: Known bad.

Malicious Activity Summary

host remcos discovery rat

Remcos family

Remcos

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 04:47

Signatures

Remcos family

remcos

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 04:47

Reported

2024-11-14 04:49

Platform

win7-20240903-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe"

Signatures

Remcos

rat remcos

Remcos family

remcos

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe

"C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe"

Network

Country Destination Domain Proto
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 04:47

Reported

2024-11-14 04:49

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe"

Signatures

Remcos

rat remcos

Remcos family

remcos

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe

"C:\Users\Admin\AppData\Local\Temp\fe74a6cdbe17c1e493e0d5263054d3f046adf5f8cdb7ac9a2ff683afc9416853.exe"

Network

Country Destination Domain Proto
DE 193.161.193.99:49483 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
DE 193.161.193.99:50721 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
DE 193.161.193.99:62254 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
DE 193.161.193.99:49483 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp
DE 193.161.193.99:62254 tcp
DE 193.161.193.99:49483 tcp
DE 193.161.193.99:50721 tcp

Files

N/A