Malware Analysis Report

2024-09-22 06:42

Sample ID 240619-kmze2ssajp
Target win1.exe
SHA256 94fada921a79c422e6dbf75eeca7429690d75901b5ef982a44874971b38708a0
Tags
rat default 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

94fada921a79c422e6dbf75eeca7429690d75901b5ef982a44874971b38708a0

Threat Level: Known bad

The file win1.exe was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat

Async RAT payload

Asyncrat family

AsyncRat

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-19 08:43

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

2024-06-19 08:43

Reported

2024-06-19 08:46

Platform

win7-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\win1.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\win1.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\win1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\win1.exe

"C:\Users\Admin\AppData\Local\Temp\win1.exe"

Network

Country Destination Domain Proto
AM 85.209.133.18:4545 tcp
AM 85.209.133.18:4545 tcp
AM 85.209.133.18:4545 tcp
AM 85.209.133.18:4545 tcp
AM 85.209.133.18:4545 tcp
AM 85.209.133.18:4545 tcp
AM 85.209.133.18:4545 tcp

Files

memory/2348-0-0x000007FEF5193000-0x000007FEF5194000-memory.dmp

memory/2348-1-0x0000000000D90000-0x0000000000DA8000-memory.dmp

memory/2348-3-0x000007FEF5190000-0x000007FEF5B7C000-memory.dmp

memory/2348-4-0x000007FEF5190000-0x000007FEF5B7C000-memory.dmp

memory/2348-5-0x000007FEF5193000-0x000007FEF5194000-memory.dmp

memory/2348-6-0x000007FEF5190000-0x000007FEF5B7C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 08:43

Reported

2024-06-19 08:46

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\win1.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\win1.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\win1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\win1.exe

"C:\Users\Admin\AppData\Local\Temp\win1.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3468,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=4108 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.90.14.23.in-addr.arpa udp
AM 85.209.133.18:4545 tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
AM 85.209.133.18:4545 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
AM 85.209.133.18:4545 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
AM 85.209.133.18:4545 tcp
AM 85.209.133.18:4545 tcp
AM 85.209.133.18:4545 tcp
AM 85.209.133.18:4545 tcp

Files

memory/624-0-0x00007FFF91313000-0x00007FFF91315000-memory.dmp

memory/624-1-0x0000000000D00000-0x0000000000D18000-memory.dmp

memory/624-3-0x00007FFF91310000-0x00007FFF91DD1000-memory.dmp

memory/624-4-0x00007FFF91313000-0x00007FFF91315000-memory.dmp

memory/624-5-0x00007FFF91310000-0x00007FFF91DD1000-memory.dmp