Malware Analysis Report

2024-11-16 13:38

Sample ID 240530-bw79wahf3x
Target checker.exe
SHA256 442d059b587fe5bbe2177d96960040e5e9988565536829b8ad2a4019824cce44
Tags
xworm persistence 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

442d059b587fe5bbe2177d96960040e5e9988565536829b8ad2a4019824cce44

Threat Level: Known bad

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

Malicious Activity Summary

xworm persistence rat trojan

Xworm

Detect Xworm Payload

Xworm family

Drops startup file

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 01:30

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 01:30

Reported

2024-05-30 01:35

Platform

win10v2004-20240508-en

Max time kernel

279s

Max time network

296s

Command Line

"C:\Users\Admin\AppData\Local\Temp\checker.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\discord.lnk C:\Users\Admin\AppData\Local\Temp\checker.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\discord.lnk C:\Users\Admin\AppData\Local\Temp\checker.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\discord = "C:\\Users\\Admin\\AppData\\Roaming\\discord.exe" C:\Users\Admin\AppData\Local\Temp\checker.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 tel-form.gl.at.ply.gg udp
US 147.185.221.20:1111 tel-form.gl.at.ply.gg tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 147.185.221.20:1111 tel-form.gl.at.ply.gg tcp
US 147.185.221.20:1111 tel-form.gl.at.ply.gg tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 147.185.221.20:1111 tel-form.gl.at.ply.gg tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
N/A 127.0.0.1:1111 tcp
N/A 127.0.0.1:1111 tcp
N/A 127.0.0.1:1111 tcp
US 147.185.221.20:1111 tel-form.gl.at.ply.gg tcp
US 8.8.8.8:53 200.79.70.13.in-addr.arpa udp
N/A 127.0.0.1:1111 tcp
N/A 127.0.0.1:1111 tcp
US 147.185.221.20:1111 tel-form.gl.at.ply.gg tcp
N/A 127.0.0.1:1111 tcp
N/A 127.0.0.1:1111 tcp
N/A 127.0.0.1:1111 tcp
N/A 127.0.0.1:1111 tcp
US 147.185.221.20:1111 tel-form.gl.at.ply.gg tcp
N/A 127.0.0.1:1111 tcp
US 147.185.221.20:1111 tel-form.gl.at.ply.gg tcp

Files

memory/4048-0-0x00007FFB16103000-0x00007FFB16105000-memory.dmp

memory/4048-1-0x0000000000900000-0x000000000091A000-memory.dmp

memory/4048-6-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/4048-7-0x00007FFB16103000-0x00007FFB16105000-memory.dmp

memory/4048-8-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp