Malware Analysis Report

2025-04-03 12:17

Sample ID 241109-29h51sxkep
Target 33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810N
SHA256 33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810
Tags
discovery
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
3/10

SHA256

33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810

Threat Level: Likely benign

The file 33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810N was found to be: Likely benign.

Malicious Activity Summary

discovery

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 23:16

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 23:16

Reported

2024-11-09 23:18

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

99s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810N.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 1896 wrote to memory of 4144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1896 wrote to memory of 4144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1896 wrote to memory of 4144 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\33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810N.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810N.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 23:16

Reported

2024-11-09 23:18

Platform

win7-20240708-en

Max time kernel

15s

Max time network

18s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810N.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 3032 wrote to memory of 2376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3032 wrote to memory of 2376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3032 wrote to memory of 2376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3032 wrote to memory of 2376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3032 wrote to memory of 2376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3032 wrote to memory of 2376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3032 wrote to memory of 2376 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\33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810N.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\33cd8856112406b1a75428aef1a9d2b090dbfd1205ebadfe6bbc540e7ee0d810N.dll,#1

Network

N/A

Files

N/A