Malware Analysis Report

2024-08-06 13:12

Sample ID 240618-vtcvqsseph
Target 4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5
SHA256 4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5
Tags
asyncrat default rat
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

4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5

Threat Level: Known bad

The file 4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5 was found to be: Known bad.

Malicious Activity Summary

asyncrat default rat

AsyncRat

Async RAT payload

Asyncrat family

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-18 17:16

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

2024-06-18 17:16

Reported

2024-06-18 17:19

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe

"C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 129.83.221.88.in-addr.arpa udp
NL 193.222.96.13:4449 tcp
BE 88.221.83.184:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 184.83.221.88.in-addr.arpa udp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
NL 193.222.96.13:4449 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
US 8.8.8.8:53 131.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp

Files

memory/3544-1-0x00007FFEE3D83000-0x00007FFEE3D85000-memory.dmp

memory/3544-0-0x0000000000010000-0x0000000000028000-memory.dmp

memory/3544-3-0x00007FFEE3D80000-0x00007FFEE4841000-memory.dmp

memory/3544-4-0x00007FFEE3D83000-0x00007FFEE3D85000-memory.dmp

memory/3544-5-0x00007FFEE3D80000-0x00007FFEE4841000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 17:16

Reported

2024-06-18 17:19

Platform

win11-20240611-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe

"C:\Users\Admin\AppData\Local\Temp\4a165517f5415fc61d91c06d2d0d9d00b2c77a6a8419617eabe91c967f180fb5.exe"

Network

Country Destination Domain Proto
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp
NL 193.222.96.13:4449 tcp

Files

memory/3256-0-0x00007FFA1FC63000-0x00007FFA1FC65000-memory.dmp

memory/3256-1-0x0000000000D80000-0x0000000000D98000-memory.dmp

memory/3256-3-0x00007FFA1FC60000-0x00007FFA20722000-memory.dmp

memory/3256-4-0x00007FFA1FC60000-0x00007FFA20722000-memory.dmp

memory/3256-5-0x00007FFA1FC63000-0x00007FFA1FC65000-memory.dmp

memory/3256-6-0x00007FFA1FC60000-0x00007FFA20722000-memory.dmp

memory/3256-7-0x00007FFA1FC60000-0x00007FFA20722000-memory.dmp