Malware Analysis Report

2024-11-16 13:35

Sample ID 240526-p2q5faeh27
Target XClient.exe
SHA256 5b64cc2c1a7d550a5fb1d344d373be0cf9a8a5041f5e7b33534a9aaee06a9073
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

5b64cc2c1a7d550a5fb1d344d373be0cf9a8a5041f5e7b33534a9aaee06a9073

Threat Level: Known bad

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

Malicious Activity Summary

xworm rat trojan

Detect Xworm Payload

Xworm

Xworm family

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-26 12:49

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 12:49

Reported

2024-05-26 12:52

Platform

win10-20240404-en

Max time kernel

133s

Max time network

141s

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

Legitimate hosting services abused for malware hosting/C2

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

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5012 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\system32\cmd.exe
PID 5012 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\system32\cmd.exe
PID 4988 wrote to memory of 4064 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 4988 wrote to memory of 4064 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe

Processes

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

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

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB551.tmp.bat""

C:\Windows\system32\timeout.exe

timeout 3

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.tcp.eu.ngrok.io udp
DE 18.158.249.75:10897 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 75.249.158.18.in-addr.arpa udp
DE 18.158.249.75:10897 0.tcp.eu.ngrok.io tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 41.173.79.40.in-addr.arpa udp

Files

memory/5012-0-0x00007FFD1CD33000-0x00007FFD1CD34000-memory.dmp

memory/5012-1-0x0000000000FE0000-0x0000000000FEE000-memory.dmp

memory/5012-2-0x00007FFD1CD30000-0x00007FFD1D71C000-memory.dmp

memory/5012-3-0x00007FFD1CD33000-0x00007FFD1CD34000-memory.dmp

memory/5012-4-0x00007FFD1CD30000-0x00007FFD1D71C000-memory.dmp

memory/5012-5-0x0000000003300000-0x000000000330C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpB551.tmp.bat

MD5 3d8ef8d68c798d0319941508459ef0cd
SHA1 799cb7b03f31621b1feb25340917073f52bd25d6
SHA256 e12aeeb002186ccadc192b174c0fb2272281f8cb521d64b13791341107dad359
SHA512 4f06e359e146ce006cd3c810fa845f5008c4ba2c668163dd22a32a7bdf407d5a1dc25b8a457fbbe8d3990a01f5780aa0a0abd2581760ccd689c4222527274b52

memory/5012-10-0x00007FFD1CD30000-0x00007FFD1D71C000-memory.dmp