Malware Analysis Report

2025-08-06 03:44

Sample ID 230501-fp9lksee37
Target stub.exe
SHA256 60ae5794afacdc55c75268040eedce59d20776dced641d2cba250bd768359d8a
Tags
rat default asyncrat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

60ae5794afacdc55c75268040eedce59d20776dced641d2cba250bd768359d8a

Threat Level: Known bad

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

Malicious Activity Summary

rat default asyncrat spyware stealer

Asyncrat family

Async RAT payload

AsyncRat

Async RAT payload

Reads user/profile data of web browsers

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-01 05:04

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

2023-05-01 05:04

Reported

2023-05-01 05:06

Platform

win7-20230220-en

Max time kernel

29s

Max time network

151s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Async RAT payload

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

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 alertgeeks.ddnsfree.com udp
TR 194.55.224.72:8808 alertgeeks.ddnsfree.com tcp

Files

memory/1680-54-0x0000000000290000-0x00000000002A6000-memory.dmp

memory/1680-55-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

memory/1680-73-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-01 05:04

Reported

2023-05-01 05:06

Platform

win10v2004-20230220-en

Max time kernel

135s

Max time network

147s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Async RAT payload

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

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 alertgeeks.ddnsfree.com udp
TR 194.55.224.72:8808 alertgeeks.ddnsfree.com tcp
US 8.8.8.8:53 72.224.55.194.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 40.125.122.176:443 tcp
IE 20.50.73.9:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
US 40.125.122.176:443 tcp
US 13.107.4.50:80 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 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

memory/1512-133-0x00000000008F0000-0x0000000000906000-memory.dmp

memory/1512-134-0x0000000005430000-0x0000000005440000-memory.dmp

memory/1512-135-0x0000000005DF0000-0x0000000006394000-memory.dmp

memory/1512-136-0x00000000059E0000-0x0000000005A72000-memory.dmp

memory/1512-137-0x0000000005960000-0x000000000596A000-memory.dmp

memory/1512-138-0x0000000005B30000-0x0000000005BCC000-memory.dmp

memory/1512-139-0x0000000005D10000-0x0000000005D76000-memory.dmp

memory/1512-140-0x0000000005430000-0x0000000005440000-memory.dmp