Malware Analysis Report

2024-10-16 06:27

Sample ID 220201-tnmbjshff9
Target 4264e428e96376609462b8339b93c829b0b506784ab20c8561416aff2ca1f0c3
SHA256 4264e428e96376609462b8339b93c829b0b506784ab20c8561416aff2ca1f0c3
Tags
ta505
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

4264e428e96376609462b8339b93c829b0b506784ab20c8561416aff2ca1f0c3

Threat Level: Known bad

The file 4264e428e96376609462b8339b93c829b0b506784ab20c8561416aff2ca1f0c3 was found to be: Known bad.

Malicious Activity Summary

ta505

TA505

Blocklisted process makes network request

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-01 16:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-01 16:12

Reported

2022-02-02 06:52

Platform

win7-en-20211208

Max time kernel

118s

Max time network

140s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4264e428e96376609462b8339b93c829b0b506784ab20c8561416aff2ca1f0c3.dll,#1

Signatures

TA505

ta505

Blocklisted process makes network request

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

Suspicious behavior: EnumeratesProcesses

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\4264e428e96376609462b8339b93c829b0b506784ab20c8561416aff2ca1f0c3.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 microsoft-home-en.com udp
US 194.195.211.26:443 microsoft-home-en.com tcp

Files

memory/308-55-0x0000000001AC0000-0x0000000001AC1000-memory.dmp

memory/308-54-0x0000000001AB0000-0x0000000001AB3000-memory.dmp

memory/308-56-0x0000000075650000-0x00000000756A5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-01 16:12

Reported

2022-02-02 06:53

Platform

win10v2004-en-20220112

Max time kernel

91s

Max time network

156s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4264e428e96376609462b8339b93c829b0b506784ab20c8561416aff2ca1f0c3.dll,#1

Signatures

TA505

ta505

Blocklisted process makes network request

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

Checks processor information in registry

Description Indicator Process Target
Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\MusNotifyIcon.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\system32\MusNotifyIcon.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
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\4264e428e96376609462b8339b93c829b0b506784ab20c8561416aff2ca1f0c3.dll,#1

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k wusvcs -p

C:\Windows\system32\MusNotifyIcon.exe

%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13

Network

Country Destination Domain Proto
NL 20.190.160.7:443 tcp
NL 92.123.77.73:80 tcp
NL 104.110.191.140:80 tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 52.167.17.97:443 settings-win.data.microsoft.com tcp
US 8.8.8.8:53 microsoft-home-en.com udp
US 194.195.211.26:443 microsoft-home-en.com tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 52.167.17.97:443 settings-win.data.microsoft.com tcp
US 72.21.91.29:80 tcp

Files

memory/3540-131-0x000002A386520000-0x000002A386521000-memory.dmp

memory/3540-130-0x000002A386510000-0x000002A386513000-memory.dmp

memory/3540-132-0x0000000057200000-0x0000000057255000-memory.dmp