Malware Analysis Report

2025-01-02 12:11

Sample ID 240417-ww3plsbb5x
Target Client2.exe
SHA256 823d1f9cdc0e1cc743e8ee76147f2ac124e945ac9648762c2529916ade2f87cf
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

823d1f9cdc0e1cc743e8ee76147f2ac124e945ac9648762c2529916ade2f87cf

Threat Level: Known bad

The file Client2.exe was found to be: Known bad.

Malicious Activity Summary

asyncrat default rat

AsyncRat

Async RAT payload

Asyncrat family

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-17 18:17

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

2024-04-17 18:17

Reported

2024-04-17 18:20

Platform

win10v2004-20240412-en

Max time kernel

142s

Max time network

162s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client2.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Client2.exe

"C:\Users\Admin\AppData\Local\Temp\Client2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 10.226.21.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 23.53.113.159:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 99.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 144.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 195.201.50.20.in-addr.arpa udp

Files

memory/932-0-0x0000000000030000-0x0000000000048000-memory.dmp

memory/932-2-0x00007FFC5B990000-0x00007FFC5C451000-memory.dmp

memory/932-3-0x00000000020D0000-0x00000000020E0000-memory.dmp

memory/932-4-0x00007FFC5B990000-0x00007FFC5C451000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-17 18:17

Reported

2024-04-17 18:22

Platform

win7-20240319-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client2.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\Client2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Client2.exe

"C:\Users\Admin\AppData\Local\Temp\Client2.exe"

Network

N/A

Files

memory/2492-0-0x0000000000E20000-0x0000000000E38000-memory.dmp

memory/2492-1-0x000007FEF5930000-0x000007FEF631C000-memory.dmp

memory/2492-3-0x000000001AE80000-0x000000001AF00000-memory.dmp

memory/2492-4-0x000007FEF5930000-0x000007FEF631C000-memory.dmp