Malware Analysis Report

2025-01-02 03:19

Sample ID 240328-bm9rcace3v
Target 305df59bd8fcc4a7c90150193b0cefd5.bin
SHA256 fb345248d2664abfea908f83dfba9a557ac57dd3f4e3c29189bb8d720bd09e34
Tags
remotehost remcos
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

fb345248d2664abfea908f83dfba9a557ac57dd3f4e3c29189bb8d720bd09e34

Threat Level: Known bad

The file 305df59bd8fcc4a7c90150193b0cefd5.bin was found to be: Known bad.

Malicious Activity Summary

remotehost remcos

Remcos family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-28 01:16

Signatures

Remcos family

remcos

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-28 01:16

Reported

2024-03-28 01:19

Platform

win7-20240221-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a85976bdd24a41da90803addab193d17ea3cc75ece7dae783eb1d3cfcb6a46cd.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a85976bdd24a41da90803addab193d17ea3cc75ece7dae783eb1d3cfcb6a46cd.exe

"C:\Users\Admin\AppData\Local\Temp\a85976bdd24a41da90803addab193d17ea3cc75ece7dae783eb1d3cfcb6a46cd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gregolia.duckdns.org udp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
US 8.8.8.8:53 gregolia.duckdns.org udp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
US 8.8.8.8:53 gregolia.duckdns.org udp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-28 01:16

Reported

2024-03-28 01:19

Platform

win10v2004-20240226-en

Max time kernel

164s

Max time network

169s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a85976bdd24a41da90803addab193d17ea3cc75ece7dae783eb1d3cfcb6a46cd.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a85976bdd24a41da90803addab193d17ea3cc75ece7dae783eb1d3cfcb6a46cd.exe

"C:\Users\Admin\AppData\Local\Temp\a85976bdd24a41da90803addab193d17ea3cc75ece7dae783eb1d3cfcb6a46cd.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1404 --field-trial-handle=3488,i,1267426273081718772,6254127258555406296,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 gregolia.duckdns.org udp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 19.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
US 8.8.8.8:53 gregolia.duckdns.org udp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
US 8.8.8.8:53 57.134.221.88.in-addr.arpa udp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
US 8.8.8.8:53 gregolia.duckdns.org udp
US 8.8.8.8:53 gregolia.duckdns.org udp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp
NL 91.92.254.98:2445 gregolia.duckdns.org tcp

Files

N/A