Malware Analysis Report

2024-10-16 06:27

Sample ID 220201-tn2fgahfg6
Target 3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7
SHA256 3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7
Tags
ta505 upx
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

3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7

Threat Level: Known bad

The file 3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7 was found to be: Known bad.

Malicious Activity Summary

ta505 upx

TA505

UPX packed file

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-02-01 16:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-01 16:13

Reported

2022-02-02 06:54

Platform

win7-en-20211208

Max time kernel

117s

Max time network

141s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7.dll,#1

Signatures

TA505

ta505

UPX packed file

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 ms-home-store.com udp

Files

memory/880-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

memory/880-55-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/880-56-0x0000000010000000-0x0000000010054000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-01 16:13

Reported

2022-02-02 06:54

Platform

win10v2004-en-20220112

Max time kernel

157s

Max time network

190s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7.dll,#1

Signatures

TA505

ta505

UPX packed file

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 996 wrote to memory of 1772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 996 wrote to memory of 1772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 996 wrote to memory of 1772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3760b42608a90e61e110ad68620232d28f0948a2b2cc6b76255366a20f7a8aa7.dll,#1

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 8.8.8.8:53 ms-home-store.com udp

Files

memory/1772-130-0x00000000006B0000-0x00000000006B1000-memory.dmp

memory/1772-131-0x0000000010000000-0x0000000010054000-memory.dmp