Malware Analysis Report

2024-10-16 06:27

Sample ID 220201-thmp5ahef5
Target b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f
SHA256 b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f
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

b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f

Threat Level: Known bad

The file b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f 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 16:03

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-01 16:03

Reported

2022-02-02 06:43

Platform

win7-en-20211208

Max time kernel

119s

Max time network

138s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f.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\b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f.dll,#1

Network

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

Files

memory/1872-55-0x0000000074EC1000-0x0000000074EC3000-memory.dmp

memory/1872-56-0x0000000000170000-0x0000000000171000-memory.dmp

memory/1872-57-0x0000000010000000-0x0000000010051000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-01 16:03

Reported

2022-02-02 06:43

Platform

win10v2004-en-20220113

Max time kernel

36s

Max time network

61s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 456 wrote to memory of 1712 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 456 wrote to memory of 1712 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 456 wrote to memory of 1712 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\b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b47e91705956e63797dae9eb1719cb4cf02e381cdbbcef5ed05c3215d5010e1f.dll,#1

Network

Country Destination Domain Proto
NL 104.110.191.133:80 tcp

Files

N/A