Malware Analysis Report

2025-08-05 12:32

Sample ID 230504-mkc55sbf79
Target update.zip
SHA256 6e06ae867fc67afbe5eee0b92e43dd75b2f116eec1fc956a92559bcec974ffa0
Tags
asyncrat default rat
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

6e06ae867fc67afbe5eee0b92e43dd75b2f116eec1fc956a92559bcec974ffa0

Threat Level: Known bad

The file update.zip was found to be: Known bad.

Malicious Activity Summary

asyncrat default rat

AsyncRat

Async RAT payload

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-05-04 10:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-04 10:31

Reported

2023-05-04 10:35

Platform

win7-20230220-en

Max time kernel

21s

Max time network

179s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Async RAT payload

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 addimq.duckdns.org udp
NL 194.87.151.134:9909 addimq.duckdns.org tcp

Files

memory/1996-54-0x0000000000690000-0x00000000006A5000-memory.dmp

memory/1996-55-0x0000000028260000-0x0000000028272000-memory.dmp

memory/1996-56-0x00000000284D0000-0x0000000028550000-memory.dmp

memory/1996-57-0x00000000284D0000-0x0000000028550000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-04 10:31

Reported

2023-05-04 10:35

Platform

win10v2004-20230220-en

Max time kernel

148s

Max time network

166s

Command Line

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

Signatures

N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 50.4.107.13.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 104.208.16.90:443 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 52.242.101.226:443 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 52.242.101.226:443 tcp
US 8.8.8.8:53 0.77.109.52.in-addr.arpa udp
US 13.107.4.50:80 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp
US 52.242.101.226:443 tcp

Files

memory/2716-133-0x000002D275FC0000-0x000002D275FD5000-memory.dmp