Malware Analysis Report

2024-10-23 19:25

Sample ID 240524-xqyzxafh96
Target asyncrat_loaded.exe
SHA256 8eaaf4eb077a9c7b0b005cc89b001040ca409fc266d02f57dfa449429d7787c6
Tags
rat xnailzhrrinnkktanyaa5555 asyncrat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

8eaaf4eb077a9c7b0b005cc89b001040ca409fc266d02f57dfa449429d7787c6

Threat Level: Known bad

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

Malicious Activity Summary

rat xnailzhrrinnkktanyaa5555 asyncrat spyware stealer

Async RAT payload

Asyncrat family

AsyncRat

Reads user/profile data of web browsers

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-24 19:04

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

2024-05-24 19:04

Reported

2024-05-24 19:06

Platform

win7-20240221-en

Max time kernel

34s

Max time network

51s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 maiichoommbbsendaya5577.ddns.net udp
US 45.126.209.172:5555 maiichoommbbsendaya5577.ddns.net tcp
US 45.126.209.172:5555 maiichoommbbsendaya5577.ddns.net tcp

Files

memory/1500-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

memory/1500-1-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/1500-2-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/1500-20-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

memory/1500-21-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/1500-22-0x0000000005C80000-0x0000000005CEC000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 29f65ba8e88c063813cc50a4ea544e93
SHA1 05a7040d5c127e68c25d81cc51271ffb8bef3568
SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512 e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

C:\Users\Admin\AppData\Local\Temp\Tar890.tmp

MD5 435a9ac180383f9fa094131b173a2f7b
SHA1 76944ea657a9db94f9a4bef38f88c46ed4166983
SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA512 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

memory/1500-43-0x0000000000700000-0x000000000070A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-24 19:04

Reported

2024-05-24 19:06

Platform

win10v2004-20240426-en

Max time kernel

62s

Max time network

63s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\asyncrat_loaded.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
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 maiichoommbbsendaya5577.ddns.net udp
US 45.126.209.172:5555 maiichoommbbsendaya5577.ddns.net tcp
US 8.8.8.8:53 172.209.126.45.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 45.126.209.172:5555 maiichoommbbsendaya5577.ddns.net tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp

Files

memory/3328-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

memory/3328-1-0x0000000000D80000-0x0000000000D96000-memory.dmp

memory/3328-2-0x00000000748D0000-0x0000000075080000-memory.dmp

memory/3328-3-0x0000000005F20000-0x00000000064C4000-memory.dmp

memory/3328-4-0x0000000005B50000-0x0000000005BE2000-memory.dmp

memory/3328-5-0x0000000005B30000-0x0000000005B3A000-memory.dmp

memory/3328-8-0x0000000006BB0000-0x0000000006C4C000-memory.dmp

memory/3328-9-0x0000000006C50000-0x0000000006CB6000-memory.dmp

memory/3328-10-0x00000000748DE000-0x00000000748DF000-memory.dmp

memory/3328-11-0x0000000007800000-0x0000000007876000-memory.dmp

memory/3328-12-0x0000000007780000-0x00000000077EC000-memory.dmp

memory/3328-13-0x00000000078C0000-0x00000000078DE000-memory.dmp

memory/3328-14-0x0000000007990000-0x000000000799A000-memory.dmp

memory/3328-15-0x00000000748D0000-0x0000000075080000-memory.dmp