Malware Analysis Report

2024-11-30 22:38

Sample ID 230524-vwjfaseb2y
Target aYQ8OgoIi.dat.zip
SHA256 c8355038990c5baba14316cf093d2cc196903ac4def0abac332989ef8353bd9b
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

c8355038990c5baba14316cf093d2cc196903ac4def0abac332989ef8353bd9b

Threat Level: Likely benign

The file aYQ8OgoIi.dat.zip was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-05-24 17:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-24 17:20

Reported

2023-05-24 17:23

Platform

win7-20230220-en

Max time kernel

28s

Max time network

31s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\aYQ8OgoIi.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\aYQ8OgoIi.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\aYQ8OgoIi.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 228

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-24 17:20

Reported

2023-05-24 17:23

Platform

win10v2004-20230221-en

Max time kernel

135s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\aYQ8OgoIi.dll,#1

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2680 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2680 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2680 wrote to memory of 2412 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\aYQ8OgoIi.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\aYQ8OgoIi.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2412 -ip 2412

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 600

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 40.125.122.176:443 tcp
US 20.189.173.2:443 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
US 204.79.197.203:80 api.msn.com tcp
US 40.125.122.176:443 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
NL 8.238.177.126:80 tcp
US 40.125.122.176:443 tcp
US 40.125.122.176:443 tcp
US 40.125.122.176:443 tcp
US 40.125.122.176:443 tcp

Files

N/A