Malware Analysis Report

2025-06-16 01:03

Sample ID 221123-s4nzmsda55
Target 78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5
SHA256 78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5
Tags
upx xtremerat persistence rat spyware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5

Threat Level: Known bad

The file 78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5 was found to be: Known bad.

Malicious Activity Summary

upx xtremerat persistence rat spyware

Xtremerat family

XtremeRAT

Detect XtremeRAT payload

UPX packed file

Modifies Installed Components in the registry

Adds Run key to start application

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-23 15:40

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-23 15:40

Reported

2022-11-23 17:05

Platform

win7-20221111-en

Max time kernel

150s

Max time network

184s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.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

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\{P73R36X2-F703-4HU7-0AVA-U78725RT5655} C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{P73R36X2-F703-4HU7-0AVA-U78725RT5655}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\win32.exe restart" C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\win32.exe" C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\win32.exe" C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe

"C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 devteam.no-ip.org udp

Files

memory/1628-54-0x0000000075BE1000-0x0000000075BE3000-memory.dmp

memory/1628-55-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/1628-56-0x0000000000C80000-0x0000000000C95000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-23 15:40

Reported

2022-11-23 17:05

Platform

win10v2004-20221111-en

Max time kernel

175s

Max time network

187s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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\{P73R36X2-F703-4HU7-0AVA-U78725RT5655} C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{P73R36X2-F703-4HU7-0AVA-U78725RT5655}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\win32.exe restart" C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\win32.exe" C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallDir\\win32.exe" C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe

"C:\Users\Admin\AppData\Local\Temp\78c98ba6fd0c2bb6991e2d283ba254635b4e540ab8b000ce5be20a0d378910e5.exe"

Network

Country Destination Domain Proto
N/A 93.184.221.240:80 tcp
N/A 104.80.225.205:443 tcp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 20.50.201.200:443 tcp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 20.190.160.14:443 tcp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 40.126.32.76:443 tcp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 8.8.8.8:53 devteam.no-ip.org udp
N/A 40.126.32.138:443 tcp

Files

memory/4332-132-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/4332-133-0x0000000000C80000-0x0000000000C95000-memory.dmp