Malware Analysis Report

2025-08-06 03:44

Sample ID 230501-f8z69age2y
Target update.zip
SHA256 6e06ae867fc67afbe5eee0b92e43dd75b2f116eec1fc956a92559bcec974ffa0
Tags
asyncrat default rat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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 spyware stealer

AsyncRat

Async RAT payload

Reads user/profile data of web browsers

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-01 05:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-01 05:33

Reported

2023-05-01 05:37

Platform

win7-20230220-en

Max time kernel

24s

Max time network

154s

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

Reads user/profile data of web browsers

spyware stealer

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 194.87.151.134:6568 addimq.duckdns.org tcp
NL 194.87.151.134:6568 addimq.duckdns.org tcp

Files

memory/1424-54-0x0000000000610000-0x0000000000625000-memory.dmp

memory/1424-55-0x00000000280F0000-0x0000000028102000-memory.dmp

memory/1424-56-0x0000000041540000-0x00000000415C0000-memory.dmp

memory/1424-57-0x0000000041540000-0x00000000415C0000-memory.dmp

memory/1424-75-0x0000000041F00000-0x0000000041F7E000-memory.dmp

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

MD5 e71c8443ae0bc2e282c73faead0a6dd3
SHA1 0c110c1b01e68edfacaeae64781a37b1995fa94b
SHA256 95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72
SHA512 b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

C:\Users\Admin\AppData\Local\Temp\Tar6927.tmp

MD5 be2bec6e8c5653136d3e72fe53c98aa3
SHA1 a8182d6db17c14671c3d5766c72e58d87c0810de
SHA256 1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd
SHA512 0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

memory/1424-96-0x0000000041530000-0x000000004153A000-memory.dmp

memory/1424-97-0x0000000042000000-0x0000000042060000-memory.dmp

memory/1424-98-0x0000000042060000-0x00000000420F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-01 05:33

Reported

2023-05-01 05:37

Platform

win10v2004-20230220-en

Max time kernel

103s

Max time network

156s

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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 52.152.108.96:443 tcp
US 209.197.3.8:80 tcp
NL 8.238.177.126:80 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 203.151.224.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 121.252.72.23.in-addr.arpa udp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 api.msn.com tcp

Files

memory/2316-133-0x000001EB19C60000-0x000001EB19C75000-memory.dmp