Malware Analysis Report

2025-08-06 03:44

Sample ID 230501-k92tpagh4x
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 09:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-01 09:18

Reported

2023-05-01 09:29

Platform

win7-20230220-en

Max time kernel

25s

Max time network

163s

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 194.87.151.134:7878 addimq.duckdns.org tcp
NL 194.87.151.134:7878 addimq.duckdns.org tcp

Files

memory/1676-54-0x0000000027EC0000-0x0000000027ED5000-memory.dmp

memory/1676-55-0x00000000280F0000-0x0000000028102000-memory.dmp

memory/1676-56-0x0000000041380000-0x0000000041400000-memory.dmp

memory/1676-57-0x0000000041380000-0x0000000041400000-memory.dmp

memory/1676-75-0x0000000042F10000-0x0000000042F8E000-memory.dmp

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

MD5 3ac860860707baaf32469fa7cc7c0192
SHA1 c33c2acdaba0e6fa41fd2f00f186804722477639
SHA256 d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
SHA512 d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

C:\Users\Admin\AppData\Local\Temp\Tar63BA.tmp

MD5 4ff65ad929cd9a367680e0e5b1c08166
SHA1 c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256 c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512 f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

memory/1676-96-0x0000000041900000-0x000000004190A000-memory.dmp

memory/1676-97-0x0000000042F90000-0x0000000042FF0000-memory.dmp

memory/1676-98-0x0000000042FF0000-0x0000000043080000-memory.dmp

memory/1676-99-0x0000000041380000-0x0000000041400000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-01 09:18

Reported

2023-05-01 09:29

Platform

win10v2004-20230220-en

Max time kernel

144s

Max time network

154s

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 8.8.8.8:53 226.101.242.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 138.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 76.38.195.152.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 105.104.123.20.in-addr.arpa udp
US 8.8.8.8:53 42.220.44.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 20.189.173.15:443 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 204.79.197.203:80 tcp
US 8.247.210.254:80 tcp
US 8.8.8.8:53 44.8.109.52.in-addr.arpa udp

Files

memory/1300-133-0x000001BBD1380000-0x000001BBD1395000-memory.dmp