Malware Analysis Report

2025-06-16 01:07

Sample ID 231226-1etsladeb8
Target 90636e2071ba6ac5f88528c55e655ca8
SHA256 f8c294711ca0535b5301f56a977d651d54189eca90c5cc83a26cb4270124443f
Tags
xtremerat persistence rat spyware upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

f8c294711ca0535b5301f56a977d651d54189eca90c5cc83a26cb4270124443f

Threat Level: Known bad

The file 90636e2071ba6ac5f88528c55e655ca8 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

XtremeRAT

Detect XtremeRAT payload

Modifies Installed Components in the registry

UPX packed file

Adds Run key to start application

Drops file in System32 directory

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-26 21:34

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 21:34

Reported

2024-01-07 05:24

Platform

win10v2004-20231215-en

Max time kernel

144s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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XtremeRAT

persistence spyware rat xtremerat

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{G15P2DII-5LON-U5PH-QYN5-QP03038U6272}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe restart" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{G15P2DII-5LON-U5PH-QYN5-QP03038U6272} C:\Windows\SysWOW64\explorer.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A
File created C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5060 set thread context of 2236 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5060 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 5060 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 5060 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 5060 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 5060 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 5060 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 5060 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 5060 wrote to memory of 2236 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 2236 wrote to memory of 3252 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\svchost.exe
PID 2236 wrote to memory of 3252 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\svchost.exe
PID 2236 wrote to memory of 3252 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\svchost.exe
PID 2236 wrote to memory of 3252 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\svchost.exe
PID 2236 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\explorer.exe
PID 2236 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\explorer.exe
PID 2236 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\explorer.exe
PID 2236 wrote to memory of 3264 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe

"C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3252 -ip 3252

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 492

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3252 -ip 3252

C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 84.177.190.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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

Files

memory/2236-5-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2236-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2236-6-0x0000000010000000-0x000000001004D000-memory.dmp

memory/5060-4-0x0000000000400000-0x00000000004AD000-memory.dmp

memory/3252-8-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3264-12-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3264-13-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3252-15-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3264-14-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2236-10-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3264-9-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2236-2-0x0000000010000000-0x000000001004D000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 21:34

Reported

2024-01-07 05:23

Platform

win7-20231215-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
N/A N/A N/A N/A
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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\{G15P2DII-5LON-U5PH-QYN5-QP03038U6272} C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{G15P2DII-5LON-U5PH-QYN5-QP03038U6272}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe restart" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{G15P2DII-5LON-U5PH-QYN5-QP03038U6272} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{G15P2DII-5LON-U5PH-QYN5-QP03038U6272}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A
File created C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1452 set thread context of 2288 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1452 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 1452 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 1452 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 1452 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 1452 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 1452 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 1452 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 1452 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe
PID 2288 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\explorer.exe
PID 2288 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\explorer.exe
PID 2288 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\explorer.exe
PID 2288 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\explorer.exe
PID 2288 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe

"C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe"

C:\Users\Admin\AppData\Local\Temp\90636e2071ba6ac5f88528c55e655ca8.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 kaan1993.zapto.org udp

Files

memory/2288-2-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2288-3-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2288-4-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2288-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2288-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1452-8-0x0000000000400000-0x00000000004AD000-memory.dmp

memory/2288-10-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2288-12-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2204-15-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2704-18-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2288-19-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2704-21-0x0000000010000000-0x000000001004D000-memory.dmp

C:\Windows\SysWOW64\InstallDir\svchost.exe

MD5 90636e2071ba6ac5f88528c55e655ca8
SHA1 32b50e2449f4ed6b1326f359d272b3ed69bd4689
SHA256 f8c294711ca0535b5301f56a977d651d54189eca90c5cc83a26cb4270124443f
SHA512 0c8c61bff11c185c8345974f6ed37a0bbe133df2b7ce0c2adf3e1cb9a15f6721fc4b259ac5f667fb7b42fa4dbdfc5e99d6de64636c70c099c3e88864d47a3f4e

memory/2204-23-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2704-24-0x0000000010000000-0x000000001004D000-memory.dmp