Malware Analysis Report

2024-11-16 13:38

Sample ID 240530-maf42seh79
Target b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba
SHA256 b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba
Tags
xworm 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

b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba

Threat Level: Known bad

The file b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba was found to be: Known bad.

Malicious Activity Summary

xworm rat trojan

Detect Xworm Payload

Xworm

Xworm family

Drops startup file

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 10:15

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

2024-05-30 10:15

Reported

2024-05-30 10:18

Platform

win7-20231129-en

Max time kernel

150s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe

"C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp

Files

memory/2344-0-0x000007FEF56E3000-0x000007FEF56E4000-memory.dmp

memory/2344-1-0x00000000001D0000-0x00000000001E4000-memory.dmp

memory/2344-6-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

memory/2344-7-0x000007FEF56E3000-0x000007FEF56E4000-memory.dmp

memory/2344-8-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 10:15

Reported

2024-05-30 10:18

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe

"C:\Users\Admin\AppData\Local\Temp\b9fa69d0fbbdb92d1b2931cd36f6eccd86ae6b04b9349ec589e16a0cc34912ba.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
BE 2.17.196.96:443 www.bing.com tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 96.196.17.2.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp

Files

memory/1588-0-0x00007FF85B423000-0x00007FF85B425000-memory.dmp

memory/1588-1-0x0000000000CD0000-0x0000000000CE4000-memory.dmp

memory/1588-6-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp

memory/1588-7-0x00007FF85B423000-0x00007FF85B425000-memory.dmp

memory/1588-8-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp