Malware Analysis Report

2024-10-16 06:27

Sample ID 220201-tnpfxahfg2
Target 41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0
SHA256 41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0
Tags
ta505 upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0

Threat Level: Known bad

The file 41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0 was found to be: Known bad.

Malicious Activity Summary

ta505 upx

TA505

UPX packed file

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-02-01 16:12

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-01 16:12

Reported

2022-02-02 06:53

Platform

win10v2004-en-20220113

Max time kernel

36s

Max time network

96s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2752 wrote to memory of 5056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2752 wrote to memory of 5056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2752 wrote to memory of 5056 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\41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0.dll,#1

Network

Country Destination Domain Proto
US 13.107.4.50:80 tcp
US 13.107.4.50:80 tcp

Files

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

142s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1520 wrote to memory of 1680 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1520 wrote to memory of 1680 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1520 wrote to memory of 1680 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1520 wrote to memory of 1680 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1520 wrote to memory of 1680 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1520 wrote to memory of 1680 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1520 wrote to memory of 1680 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\41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\41ed4f18b095f8a28dcb2f1a046fdd60de60321847eea7fa7b792b94017437a0.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 microsoft-live-us.com udp

Files

memory/1680-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

memory/1680-55-0x0000000000170000-0x0000000000171000-memory.dmp

memory/1680-56-0x0000000010000000-0x0000000012044000-memory.dmp