Malware Analysis Report

2025-08-11 05:05

Sample ID 241230-cfvvaatqbs
Target a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090
SHA256 a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090
Tags
xworm persistence rat trojan
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

a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090

Threat Level: Known bad

The file a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090 was found to be: Known bad.

Malicious Activity Summary

xworm persistence rat trojan

Xworm family

Xworm

Detect Xworm Payload

Drops startup file

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-30 02:01

Signatures

Detect Xworm Payload

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

Xworm family

xworm

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-30 02:01

Reported

2024-12-30 02:04

Platform

win7-20240903-en

Max time kernel

125s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Xworm family

xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.lnk C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.lnk C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090 = "C:\\Users\\Admin\\AppData\\Roaming\\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe" C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A

Enumerates physical storage devices

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe

"C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 canyouseeme20.ddns.net udp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
US 8.8.8.8:53 canyouseeme20.ddns.net udp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp

Files

memory/2644-0-0x000007FEF61C3000-0x000007FEF61C4000-memory.dmp

memory/2644-1-0x0000000000150000-0x0000000000168000-memory.dmp

memory/2644-8-0x000007FEF61C0000-0x000007FEF6BAC000-memory.dmp

memory/2644-9-0x000007FEF61C3000-0x000007FEF61C4000-memory.dmp

memory/2644-10-0x000007FEF61C0000-0x000007FEF6BAC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-30 02:01

Reported

2024-12-30 02:04

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Xworm family

xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.lnk C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.lnk C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090 = "C:\\Users\\Admin\\AppData\\Roaming\\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe" C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A

Enumerates physical storage devices

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe

"C:\Users\Admin\AppData\Local\Temp\a8f508eb1f7505fd203dd97a2688e04afa0b0c88ebe365bb96739c043a918090.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 canyouseeme20.ddns.net udp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 canyouseeme20.ddns.net udp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
MA 196.127.241.255:6065 canyouseeme20.ddns.net tcp
US 8.8.8.8:53 213.143.182.52.in-addr.arpa udp

Files

memory/4732-0-0x00007FFFD6ED3000-0x00007FFFD6ED5000-memory.dmp

memory/4732-1-0x00000000003D0000-0x00000000003E8000-memory.dmp

memory/4732-8-0x00007FFFD6ED0000-0x00007FFFD7991000-memory.dmp

memory/4732-9-0x00007FFFD6ED3000-0x00007FFFD6ED5000-memory.dmp

memory/4732-10-0x00007FFFD6ED0000-0x00007FFFD7991000-memory.dmp