Malware Analysis Report

2025-06-16 01:16

Sample ID 231208-pqcsnsdh31
Target 17020384843af0d57b8c47e4f7c45e8ba4414521303dd4972bbccb99aeb71a0d3645cbebd8676.dat-decoded.exe
SHA256 a175371e9373a87e16ced87d403fb50247705163ea786a5eba3209cb66ed4390
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

a175371e9373a87e16ced87d403fb50247705163ea786a5eba3209cb66ed4390

Threat Level: Known bad

The file 17020384843af0d57b8c47e4f7c45e8ba4414521303dd4972bbccb99aeb71a0d3645cbebd8676.dat-decoded.exe was found to be: Known bad.

Malicious Activity Summary

remotehost remcos

Remcos family

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-08 12:31

Signatures

Remcos family

remcos

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-08 12:31

Reported

2023-12-08 12:35

Platform

win7-20231023-en

Max time kernel

148s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17020384843af0d57b8c47e4f7c45e8ba4414521303dd4972bbccb99aeb71a0d3645cbebd8676.dat-decoded.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\17020384843af0d57b8c47e4f7c45e8ba4414521303dd4972bbccb99aeb71a0d3645cbebd8676.dat-decoded.exe

"C:\Users\Admin\AppData\Local\Temp\17020384843af0d57b8c47e4f7c45e8ba4414521303dd4972bbccb99aeb71a0d3645cbebd8676.dat-decoded.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 sembe.duckdns.org udp
BE 194.187.251.115:14645 sembe.duckdns.org tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

C:\Users\Admin\AppData\Roaming\notess\logs.dat

MD5 27fdffb69e432cc4b97381dc0fa17494
SHA1 50b5e8feb23eed737741408d656c7c4fad378fda
SHA256 c6cf171fabf747f7a22e25d43ba0a6f46a7e10da048ee90d6f9a2f20a4bdfd31
SHA512 92f0275ca4791b554637e9907916294cb3600f197adb822970b6c50c130f6dcc584928492b343d422d3f11895df74f07cae4a4501fa7aeb37b9094b0d1f5cdff

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-08 12:31

Reported

2023-12-08 12:37

Platform

win10v2004-20231127-en

Max time kernel

150s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17020384843af0d57b8c47e4f7c45e8ba4414521303dd4972bbccb99aeb71a0d3645cbebd8676.dat-decoded.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\17020384843af0d57b8c47e4f7c45e8ba4414521303dd4972bbccb99aeb71a0d3645cbebd8676.dat-decoded.exe

"C:\Users\Admin\AppData\Local\Temp\17020384843af0d57b8c47e4f7c45e8ba4414521303dd4972bbccb99aeb71a0d3645cbebd8676.dat-decoded.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 sembe.duckdns.org udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
BE 194.187.251.115:14645 sembe.duckdns.org tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 115.251.187.194.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 65.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Roaming\notess\logs.dat

MD5 3d7c767ea61f70e6663c2528240c527a
SHA1 a423fb8d463f1840801b3e13e4b0cd2d1e00f93c
SHA256 909cea02debcc312529b80974d3105e67882f64f4cb5d1f3a64cf0d5ba22e5bc
SHA512 3cee1e79f6113c2b5b4fd5a19625571dc97d420b30a096fbab335724b21708b62bbc758bad6ad052a04215a5b345d14d82d3ed1a1432edc31ea3a445d695ff95