Malware Analysis Report

2025-01-02 12:09

Sample ID 240419-ym8klseg2t
Target ClientSetup.exe
SHA256 b57490326cb83aaf68d2ddfd95655b89387956100c5d09c8fcd4fa50e54fb5c4
Tags
rat default asyncrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

b57490326cb83aaf68d2ddfd95655b89387956100c5d09c8fcd4fa50e54fb5c4

Threat Level: Known bad

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

Malicious Activity Summary

rat default asyncrat

AsyncRat

Async RAT payload

Asyncrat family

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-19 19:55

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

2024-04-19 19:55

Reported

2024-04-19 19:58

Platform

win7-20240221-en

Max time kernel

150s

Max time network

125s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp

Files

memory/2236-0-0x0000000000E40000-0x0000000000E84000-memory.dmp

memory/2236-1-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp

memory/2236-3-0x000000001AF10000-0x000000001AF90000-memory.dmp

memory/2236-4-0x0000000076EF0000-0x0000000077099000-memory.dmp

memory/2236-5-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp

memory/2236-6-0x000000001AF10000-0x000000001AF90000-memory.dmp

memory/2236-7-0x0000000076EF0000-0x0000000077099000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-19 19:55

Reported

2024-04-19 19:58

Platform

win10v2004-20240412-en

Max time kernel

149s

Max time network

159s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\ClientSetup.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
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 75.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 198.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 121.118.77.104.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 154.173.246.72.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net 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 25.14.97.104.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp

Files

memory/372-0-0x0000000000870000-0x00000000008B4000-memory.dmp

memory/372-2-0x00007FFFF9BF0000-0x00007FFFFA6B1000-memory.dmp

memory/372-3-0x000000001B6D0000-0x000000001B6E0000-memory.dmp

memory/372-4-0x00007FFFF9BF0000-0x00007FFFFA6B1000-memory.dmp