Malware Analysis Report

2024-10-23 19:27

Sample ID 240629-fx6jws1hjh
Target 434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.zip
SHA256 be30c669c6d3c84d50291597b4f9071164c136609b0a3aac1344186c2c579cda
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

be30c669c6d3c84d50291597b4f9071164c136609b0a3aac1344186c2c579cda

Threat Level: Known bad

The file 434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.zip 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

2024-06-29 05:16

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

2024-06-29 05:16

Reported

2024-06-29 05:21

Platform

win7-20240611-en

Max time kernel

282s

Max time network

292s

Command Line

"C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe

"C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe"

Network

Country Destination Domain Proto
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp

Files

memory/2032-0-0x000007FEF5363000-0x000007FEF5364000-memory.dmp

memory/2032-1-0x0000000000050000-0x0000000000068000-memory.dmp

memory/2032-3-0x000007FEF5360000-0x000007FEF5D4C000-memory.dmp

memory/2032-4-0x000007FEF5360000-0x000007FEF5D4C000-memory.dmp

memory/2032-5-0x000007FEF5363000-0x000007FEF5364000-memory.dmp

memory/2032-6-0x000007FEF5360000-0x000007FEF5D4C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 05:16

Reported

2024-06-29 05:21

Platform

win10v2004-20240611-en

Max time kernel

290s

Max time network

299s

Command Line

"C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe

"C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 127.0.0.1:4782 tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
N/A 127.0.0.1:4782 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
DE 84.44.148.177:4782 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
N/A 127.0.0.1:4782 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
N/A 127.0.0.1:4782 tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp

Files

memory/3332-0-0x00007FFEB8E33000-0x00007FFEB8E35000-memory.dmp

memory/3332-1-0x0000000000DF0000-0x0000000000E08000-memory.dmp

memory/3332-3-0x00007FFEB8E30000-0x00007FFEB98F1000-memory.dmp

memory/3332-4-0x00007FFEB8E33000-0x00007FFEB8E35000-memory.dmp

memory/3332-5-0x00007FFEB8E30000-0x00007FFEB98F1000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-29 05:16

Reported

2024-06-29 05:21

Platform

win11-20240508-en

Max time kernel

296s

Max time network

302s

Command Line

"C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe"

Signatures

AsyncRat

rat asyncrat

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe

"C:\Users\Admin\AppData\Local\Temp\434fc1fcde79cced66c7784f22b1703b41dd77f1800edd7bebe4343f479080d8.exe"

Network

Country Destination Domain Proto
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp
DE 84.44.148.177:4782 tcp

Files

memory/2372-0-0x00007FFA51183000-0x00007FFA51185000-memory.dmp

memory/2372-1-0x0000000000510000-0x0000000000528000-memory.dmp

memory/2372-3-0x00007FFA51180000-0x00007FFA51C42000-memory.dmp

memory/2372-4-0x00007FFA51180000-0x00007FFA51C42000-memory.dmp

memory/2372-5-0x00007FFA51183000-0x00007FFA51185000-memory.dmp

memory/2372-6-0x00007FFA51180000-0x00007FFA51C42000-memory.dmp