Malware Analysis Report

2025-08-06 03:44

Sample ID 230501-nlewsshb5s
Target Ta.zip
SHA256 458bacf7b28381813ab395db163843e71f62a830db1e1274178c14d91d435ca6
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

458bacf7b28381813ab395db163843e71f62a830db1e1274178c14d91d435ca6

Threat Level: Known bad

The file Ta.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 11:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-01 11:28

Reported

2023-05-01 11:33

Platform

win7-20230220-en

Max time kernel

77s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Ta.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\Ta.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 45.81.243.217:7707 tcp
US 45.81.243.217:7707 tcp

Files

memory/1200-54-0x0000000002040000-0x0000000002055000-memory.dmp

memory/1200-55-0x0000000028370000-0x0000000028382000-memory.dmp

memory/1200-56-0x0000000041790000-0x0000000041810000-memory.dmp

memory/1200-57-0x0000000041790000-0x0000000041810000-memory.dmp

memory/1200-58-0x0000000041790000-0x0000000041810000-memory.dmp

memory/1200-76-0x0000000041790000-0x0000000041810000-memory.dmp

memory/1200-77-0x0000000041790000-0x0000000041810000-memory.dmp

memory/1200-79-0x0000000042810000-0x000000004288E000-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\Tar462C.tmp

MD5 4ff65ad929cd9a367680e0e5b1c08166
SHA1 c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256 c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512 f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

memory/1200-100-0x0000000041770000-0x000000004177A000-memory.dmp

memory/1200-101-0x00000000437F0000-0x0000000043850000-memory.dmp

memory/1200-102-0x0000000043850000-0x00000000438E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-01 11:28

Reported

2023-05-01 11:33

Platform

win10v2004-20230220-en

Max time kernel

110s

Max time network

155s

Command Line

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

Signatures

N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 20.189.173.5:443 tcp
NL 8.238.20.126:80 tcp
NL 8.238.20.126:80 tcp
NL 173.223.113.164:443 tcp
BE 23.55.97.181:80 tcp
US 131.253.33.203:80 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 233.141.123.20.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp

Files

memory/2020-133-0x0000020C84830000-0x0000020C84845000-memory.dmp