Malware Analysis Report

2025-06-16 01:06

Sample ID 231226-xhg2esbhd8
Target 85cc2fe2f271f615bb4fe4b9107461c4
SHA256 000b4632c1849889a989210d6794eaa9338379a416456755c2e00f1a1e939447
Tags
xtremerat persistence rat spyware
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

000b4632c1849889a989210d6794eaa9338379a416456755c2e00f1a1e939447

Threat Level: Known bad

The file 85cc2fe2f271f615bb4fe4b9107461c4 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

XtremeRAT

Detect XtremeRAT payload

Modifies Installed Components in the registry

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in Windows directory

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-26 18:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 18:51

Reported

2024-01-07 00:46

Platform

win7-20231215-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 18:51

Reported

2024-01-07 00:44

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\Windows Genuine Update\\Advantage.exe restart" C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Genuine Update = "C:\\Windows\\Windows Genuine Update\\Advantage.exe" C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Genuine Update = "C:\\Windows\\Windows Genuine Update\\Advantage.exe" C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 748 set thread context of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Windows Genuine Update\Advantage.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe N/A
File created C:\Windows\Windows Genuine Update\Advantage.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe N/A
File opened for modification C:\Windows\Windows Genuine Update\ C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe
PID 2092 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Windows\SysWOW64\svchost.exe
PID 2092 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Windows\SysWOW64\svchost.exe
PID 2092 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Windows\SysWOW64\svchost.exe
PID 2092 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe

"C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4652 -ip 4652

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4652 -ip 4652

C:\Users\Admin\AppData\Local\Temp\85cc2fe2f271f615bb4fe4b9107461c4.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 6.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
IE 20.223.35.26:443 tcp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 udp
IE 20.223.36.55:443 tcp
IE 20.223.36.55:443 tcp
IE 20.223.36.55:443 tcp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 vvnv12.no-ip.biz udp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
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
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.174:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.174:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp

Files

memory/748-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2092-6-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2092-7-0x0000000010000000-0x000000001004A000-memory.dmp

memory/748-5-0x0000000000400000-0x000000000040B000-memory.dmp

memory/4652-8-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2092-11-0x0000000010000000-0x000000001004A000-memory.dmp

memory/4652-12-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2092-4-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2092-3-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2092-13-0x0000000010000000-0x000000001004A000-memory.dmp