Malware Analysis Report

2024-10-18 23:49

Sample ID 240928-jpeyravbmp
Target level
SHA256 9814a8f9f29e6efb4a7896f61ced334cc5567c3aa61a66325eca76360f1226b4
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

9814a8f9f29e6efb4a7896f61ced334cc5567c3aa61a66325eca76360f1226b4

Threat Level: Likely benign

The file level 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

2024-09-28 07:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-28 07:50

Reported

2024-09-28 07:52

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

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

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2712 wrote to memory of 3012 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2712 wrote to memory of 3012 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2712 wrote to memory of 3012 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe

Processes

C:\Windows\system32\rundll32.exe

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2712 -s 96

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-28 07:50

Reported

2024-09-28 07:52

Platform

win10v2004-20240910-en

Max time kernel

139s

Max time network

123s

Command Line

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

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 644 wrote to memory of 3488 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\rundll32.exe
PID 644 wrote to memory of 3488 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

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

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe"

C:\Windows\system32\rundll32.exe

rundll32 level.dllscab /k haval462

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp

Files

N/A