Malware Analysis Report

2025-04-03 09:43

Sample ID 230421-r5hctagb38
Target 67be2a5e7b30a949b42a7306b7c2cd139da4133a2ec0c0afdb59218f4649130a.zip
SHA256 eef158009be2df1c52ff9f202d39f6be60c9fb1850caed9fbe70ae4ebb0caffb
Tags
systembc
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

eef158009be2df1c52ff9f202d39f6be60c9fb1850caed9fbe70ae4ebb0caffb

Threat Level: Known bad

The file 67be2a5e7b30a949b42a7306b7c2cd139da4133a2ec0c0afdb59218f4649130a.zip was found to be: Known bad.

Malicious Activity Summary

systembc

Systembc family

Blocklisted process makes network request

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-04-21 14:46

Signatures

Systembc family

systembc

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-21 14:46

Reported

2023-04-21 14:49

Platform

win7-20230220-en

Max time kernel

31s

Max time network

135s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\C\ProgramData\Sentinel\AFUCache\67be2a5e7b30a949b42a7306b7c2cd139da4133a2ec0c0afdb59218f4649130a.dll,#1

Signatures

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\C\ProgramData\Sentinel\AFUCache\67be2a5e7b30a949b42a7306b7c2cd139da4133a2ec0c0afdb59218f4649130a.dll,#1

Network

Country Destination Domain Proto
LT 93.115.25.41:443 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-21 14:46

Reported

2023-04-21 14:49

Platform

win10v2004-20230220-en

Max time kernel

61s

Max time network

135s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\C\ProgramData\Sentinel\AFUCache\67be2a5e7b30a949b42a7306b7c2cd139da4133a2ec0c0afdb59218f4649130a.dll,#1

Signatures

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\C\ProgramData\Sentinel\AFUCache\67be2a5e7b30a949b42a7306b7c2cd139da4133a2ec0c0afdb59218f4649130a.dll,#1

Network

Country Destination Domain Proto
US 52.152.110.14:443 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
LT 93.115.25.41:443 tcp
US 8.8.8.8:53 126.151.241.8.in-addr.arpa udp
US 8.8.8.8:53 41.25.115.93.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
IE 13.69.239.72:443 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
US 93.184.221.240:80 tcp

Files

N/A