Malware Analysis Report

2024-12-07 22:20

Sample ID 240811-wse45svglg
Target GreenUltra.exe
SHA256 4a4d3e1f42bd552d2a3367cb34d1135b451696daf0d5d6ece922b5d9ce024f06
Tags
discovery remotehost remcos
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 Overview

score
10/10

SHA256

4a4d3e1f42bd552d2a3367cb34d1135b451696daf0d5d6ece922b5d9ce024f06

Threat Level: Known bad

The file GreenUltra.exe was found to be: Known bad.

Malicious Activity Summary

discovery remotehost remcos

Remcos family

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-11 18:10

Signatures

Remcos family

remcos

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-11 18:10

Reported

2024-08-11 18:28

Platform

win10-20240611-en

Max time kernel

1050s

Max time network

1051s

Command Line

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

Signatures

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\GreenUltra.exe N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Processes

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

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

Network

Country Destination Domain Proto
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp
N/A 192.168.85.117:2404 tcp

Files

N/A