Malware Analysis Report

2024-08-06 12:59

Sample ID 240604-3e642afa4y
Target 7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f
SHA256 7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f
Tags
rat asyncrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
10/10

SHA256

7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f

Threat Level: Known bad

The file 7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f was found to be: Known bad.

Malicious Activity Summary

rat asyncrat

Async RAT payload

Asyncrat family

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-04 23:26

Signatures

Async RAT payload

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

Asyncrat family

asyncrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 23:26

Reported

2024-06-04 23:29

Platform

win7-20240508-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f.exe"

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2348 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f.exe C:\Windows\system32\WerFault.exe
PID 2348 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f.exe C:\Windows\system32\WerFault.exe
PID 2348 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f.exe

"C:\Users\Admin\AppData\Local\Temp\7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2348 -s 500

Network

N/A

Files

memory/2348-0-0x000007FEF5F83000-0x000007FEF5F84000-memory.dmp

memory/2348-1-0x0000000000BA0000-0x0000000000C1C000-memory.dmp

memory/2348-2-0x000007FEF5F83000-0x000007FEF5F84000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 23:26

Reported

2024-06-04 23:29

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f.exe

"C:\Users\Admin\AppData\Local\Temp\7a0ed6b2efb4bcc474c2d30f4217a0f7fdbae4e702555e5a004740d9d256be6f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 24.173.189.20.in-addr.arpa udp

Files

memory/3744-1-0x00007FFE63123000-0x00007FFE63125000-memory.dmp

memory/3744-0-0x0000000000E70000-0x0000000000EEC000-memory.dmp