Malware Analysis Report

2025-08-05 16:29

Sample ID 240614-bdwhcsyemf
Target 885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f
SHA256 885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f
Tags
score
3/10

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
3/10

SHA256

885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f

Threat Level: Likely benign

The file 885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 01:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 01:02

Reported

2024-06-14 01:04

Platform

win7-20240508-en

Max time kernel

120s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1848 wrote to memory of 1208 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1848 wrote to memory of 1208 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1848 wrote to memory of 1208 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1848 wrote to memory of 1208 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1848 wrote to memory of 1208 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1848 wrote to memory of 1208 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1848 wrote to memory of 1208 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\885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 01:02

Reported

2024-06-14 01:04

Platform

win10v2004-20240611-en

Max time kernel

97s

Max time network

101s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1876 wrote to memory of 4928 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1876 wrote to memory of 4928 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1876 wrote to memory of 4928 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\885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\885ba8b9b6bbbe1ced5ab945e0b1750af1ebbdb55f6dffecf7cd28f4af5f396f.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 6.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 6.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 10.160.77.104.in-addr.arpa udp

Files

N/A