Malware Analysis Report

2025-08-11 00:33

Sample ID 240328-v148kabg4z
Target Nezur Demo build.exe
SHA256 59b203fcf387bfde09a17d954c9281f5743b0d0edb9c8d1fc481eb0165416fd0
Tags
xworm rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

59b203fcf387bfde09a17d954c9281f5743b0d0edb9c8d1fc481eb0165416fd0

Threat Level: Known bad

The file Nezur Demo build.exe was found to be: Known bad.

Malicious Activity Summary

xworm rat trojan

Detect Xworm Payload

Xworm

Xworm family

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 17:28

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: behavioral2

Detonation Overview

Submitted

2024-03-28 17:28

Reported

2024-03-28 17:31

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Nezur Demo build.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\Nezur Demo build.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Nezur Demo build.exe

"C:\Users\Admin\AppData\Local\Temp\Nezur Demo build.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 201.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 82.177.190.20.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 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 41.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 218.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3348-0-0x0000000000180000-0x00000000001BA000-memory.dmp

memory/3348-1-0x00007FFB777B0000-0x00007FFB78271000-memory.dmp

memory/3348-2-0x000000001AD00000-0x000000001AD10000-memory.dmp

memory/3348-3-0x00007FFB777B0000-0x00007FFB78271000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-28 17:28

Reported

2024-03-28 17:31

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Nezur Demo build.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\Nezur Demo build.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Nezur Demo build.exe

"C:\Users\Admin\AppData\Local\Temp\Nezur Demo build.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/2220-0-0x0000000001150000-0x000000000118A000-memory.dmp

memory/2220-1-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

memory/2220-2-0x000000001AD80000-0x000000001AE00000-memory.dmp

memory/2220-3-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp