Malware Analysis Report

2025-08-11 00:32

Sample ID 240328-v1mcracf29
Target XClientj.exe
SHA256 187723929393b2179ea3f90370e99a9cb2b8f05544d5a71c59adacb0bb4acbfd
Tags
xworm rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

187723929393b2179ea3f90370e99a9cb2b8f05544d5a71c59adacb0bb4acbfd

Threat Level: Known bad

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

Malicious Activity Summary

xworm rat trojan

Detect Xworm Payload

Xworm family

Xworm

Looks up external IP address via web service

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-28 17:27

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

2024-03-28 17:27

Reported

2024-03-28 17:30

Platform

win7-20231129-en

Max time kernel

119s

Max time network

121s

Command Line

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

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp

Files

memory/1660-0-0x0000000001240000-0x0000000001270000-memory.dmp

memory/1660-1-0x000007FEF5040000-0x000007FEF5A2C000-memory.dmp

memory/1660-2-0x00000000011C0000-0x0000000001240000-memory.dmp

memory/1660-3-0x000007FEF5040000-0x000007FEF5A2C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-28 17:27

Reported

2024-03-28 17:30

Platform

win10v2004-20240226-en

Max time kernel

93s

Max time network

136s

Command Line

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

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 19.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 203.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 219.135.221.88.in-addr.arpa udp

Files

memory/2256-0-0x00000000008C0000-0x00000000008F0000-memory.dmp

memory/2256-1-0x00007FF9B9FE0000-0x00007FF9BAAA1000-memory.dmp

memory/2256-2-0x000000001B510000-0x000000001B520000-memory.dmp

memory/2256-3-0x00007FF9B9FE0000-0x00007FF9BAAA1000-memory.dmp