Malware Analysis Report

2024-12-07 03:34

Sample ID 241113-he3rdsxbrc
Target 74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284dN.exe
SHA256 74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284d
Tags
asyncrat . 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

74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284d

Threat Level: Known bad

The file 74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284dN.exe was found to be: Known bad.

Malicious Activity Summary

asyncrat . rat

Asyncrat family

AsyncRat

Async RAT payload

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-11-13 06:39

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 06:39

Reported

2024-11-13 06:42

Platform

win10v2004-20241007-en

Max time kernel

129s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284dN.exe"

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\werfault.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\werfault.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284dN.exe

"C:\Users\Admin\AppData\Local\Temp\74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284dN.exe"

C:\Windows\System32\werfault.exe

\??\C:\Windows\System32\werfault.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
N/A 127.0.0.1:6606 tcp
US 147.185.221.23:35540 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 147.185.221.23:35540 tcp
N/A 127.0.0.1:7707 tcp
US 8.8.8.8:53 74.209.201.84.in-addr.arpa udp
US 147.185.221.23:35540 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:7707 tcp
US 147.185.221.23:35540 tcp
US 147.185.221.23:35540 tcp

Files

memory/1752-0-0x00007FF883510000-0x00007FF883705000-memory.dmp

memory/4480-1-0x000001F2092E0000-0x000001F2092F4000-memory.dmp

memory/4480-2-0x00007FF865093000-0x00007FF865095000-memory.dmp

memory/4480-3-0x000001F209670000-0x000001F209682000-memory.dmp

memory/4480-4-0x00007FF865090000-0x00007FF865B51000-memory.dmp

memory/4480-5-0x00007FF865093000-0x00007FF865095000-memory.dmp

memory/4480-6-0x00007FF865090000-0x00007FF865B51000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 06:39

Reported

2024-11-13 06:42

Platform

win7-20240903-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284dN.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284dN.exe

"C:\Users\Admin\AppData\Local\Temp\74f3b07f8b75aee6ccdbfe044559d76ccd4b827e489b16a13b7a62ad999e284dN.exe"

C:\Windows\System32\werfault.exe

\??\C:\Windows\System32\werfault.exe

Network

N/A

Files

memory/2644-2-0x0000000077C31000-0x0000000077D32000-memory.dmp

memory/2784-1-0x00000000000B0000-0x00000000000C4000-memory.dmp

memory/2644-0-0x0000000077C30000-0x0000000077DD9000-memory.dmp