Malware Analysis Report

2025-08-05 17:00

Sample ID 240108-d8vknaaear
Target c376ae442a615dcf2f4a0fc4aa2e0de9.bin
SHA256 22f2490834e91c577c90c19bbf78d588c9b7c70a59a2b316c3ec4ab3bd7d2e92
Tags
score
3/10

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
3/10

SHA256

22f2490834e91c577c90c19bbf78d588c9b7c70a59a2b316c3ec4ab3bd7d2e92

Threat Level: Likely benign

The file c376ae442a615dcf2f4a0fc4aa2e0de9.bin was found to be: Likely benign.

Malicious Activity Summary


Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-08 03:41

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-08 03:41

Reported

2024-01-08 03:43

Platform

win10v2004-20231215-en

Max time kernel

122s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a80eb8aea03ed2b2306b53cb06542e8cae92b40008851bcc7d3eff62944c5b9.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

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 2840 wrote to memory of 1100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2840 wrote to memory of 1100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2840 wrote to memory of 1100 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\9a80eb8aea03ed2b2306b53cb06542e8cae92b40008851bcc7d3eff62944c5b9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a80eb8aea03ed2b2306b53cb06542e8cae92b40008851bcc7d3eff62944c5b9.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1100 -ip 1100

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 648

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 21.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/1100-0-0x0000000000400000-0x000000000050F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-08 03:41

Reported

2024-01-08 03:43

Platform

win7-20231215-en

Max time kernel

118s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a80eb8aea03ed2b2306b53cb06542e8cae92b40008851bcc7d3eff62944c5b9.dll,#1

Signatures

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\9a80eb8aea03ed2b2306b53cb06542e8cae92b40008851bcc7d3eff62944c5b9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a80eb8aea03ed2b2306b53cb06542e8cae92b40008851bcc7d3eff62944c5b9.dll,#1

Network

N/A

Files

memory/1584-0-0x0000000001E10000-0x0000000001F1F000-memory.dmp

memory/1584-1-0x0000000001E10000-0x0000000001F1F000-memory.dmp