Malware Analysis Report

2025-01-02 12:10

Sample ID 240419-qt62csdf56
Target Client.exe
SHA256 83aabb9170fe13459e9c97ad3680b7c9056b580bebc595f8c38a84ed7e093991
Tags
asyncrat default rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

83aabb9170fe13459e9c97ad3680b7c9056b580bebc595f8c38a84ed7e093991

Threat Level: Known bad

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

Malicious Activity Summary

asyncrat default rat

Async RAT payload

Asyncrat family

AsyncRat

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-19 13:34

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: behavioral2

Detonation Overview

Submitted

2024-04-19 13:34

Reported

2024-04-19 14:54

Platform

win11-20240412-en

Max time kernel

1485s

Max time network

1501s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
IE 52.111.236.22:443 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/3028-0-0x0000000000960000-0x00000000009A4000-memory.dmp

memory/3028-2-0x00007FFDE4580000-0x00007FFDE5042000-memory.dmp

memory/3028-3-0x000000001B5B0000-0x000000001B5C0000-memory.dmp

memory/3028-4-0x00007FFDE4580000-0x00007FFDE5042000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-19 13:34

Reported

2024-04-19 14:54

Platform

win10v2004-20240412-en

Max time kernel

1381s

Max time network

1171s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 206.221.208.4.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 169.249.36.23.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp

Files

memory/344-0-0x00000000002E0000-0x0000000000324000-memory.dmp

memory/344-2-0x00007FF93A4D0000-0x00007FF93AF91000-memory.dmp

memory/344-3-0x0000000002420000-0x0000000002430000-memory.dmp

memory/344-4-0x00007FF93A4D0000-0x00007FF93AF91000-memory.dmp