Malware Analysis Report

2024-11-16 13:34

Sample ID 240526-j1px4aca5t
Target XClient.exe
SHA256 7b45e50061c5a05b74970e33573d2e22560a709e52959f9d6e0024b281f02fcf
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 Overview

score
10/10

SHA256

7b45e50061c5a05b74970e33573d2e22560a709e52959f9d6e0024b281f02fcf

Threat Level: Known bad

The file XClient.exe was found to be: Known bad.

Malicious Activity Summary

xworm rat trojan

Xworm family

Xworm

Detect Xworm Payload

Drops startup file

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-26 08:08

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

2024-05-26 08:08

Reported

2024-05-26 08:11

Platform

win10-20240404-en

Max time kernel

148s

Max time network

149s

Command Line

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

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 0.tcp.eu.ngrok.io N/A N/A
N/A 0.tcp.eu.ngrok.io N/A N/A
N/A 0.tcp.eu.ngrok.io N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 3.125.209.94:13656 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 94.209.125.3.in-addr.arpa udp
DE 3.125.209.94:13656 0.tcp.eu.ngrok.io tcp
DE 3.125.209.94:13656 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 205.142.124.3.in-addr.arpa udp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 171.117.168.52.in-addr.arpa udp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp
DE 3.124.142.205:13656 0.tcp.eu.ngrok.io tcp

Files

memory/600-0-0x0000000000440000-0x0000000000456000-memory.dmp

memory/600-1-0x00007FFA2ACB3000-0x00007FFA2ACB4000-memory.dmp

memory/600-6-0x00007FFA2ACB0000-0x00007FFA2B69C000-memory.dmp

memory/600-7-0x00007FFA2ACB3000-0x00007FFA2ACB4000-memory.dmp

memory/600-8-0x00007FFA2ACB0000-0x00007FFA2B69C000-memory.dmp