Malware Analysis Report

2025-05-28 18:05

Sample ID 241109-zrzzpsvmeq
Target 2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55N
SHA256 2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55
Tags
discovery
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
3/10

SHA256

2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55

Threat Level: Likely benign

The file 2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55N was found to be: Likely benign.

Malicious Activity Summary

discovery

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 20:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 20:57

Reported

2024-11-09 20:59

Platform

win7-20240903-en

Max time kernel

69s

Max time network

16s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55N.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3048 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2644 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2644 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\2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55N.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55N.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 20:57

Reported

2024-11-09 20:59

Platform

win10v2004-20241007-en

Max time kernel

97s

Max time network

98s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55N.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3928 wrote to memory of 3124 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3928 wrote to memory of 3124 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3928 wrote to memory of 3124 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\2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55N.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b0d74b94d8a4d651fa34b2b71932af8f5a334e9492324c0446dc1720b6b4b55N.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

N/A