Malware Analysis Report

2025-06-16 01:03

Sample ID 221123-yppwaadf8v
Target f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde
SHA256 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde
Tags
xtremerat persistence rat spyware upx
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

f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde

Threat Level: Known bad

The file f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

UPX packed file

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-23 19:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-23 19:57

Reported

2022-11-23 22:46

Platform

win7-20221111-en

Max time kernel

151s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

UPX packed file

upx
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
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N/A N/A N/A N/A
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Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2044 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2044 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2044 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2044 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2044 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2044 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2044 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2044 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 1992 wrote to memory of 1504 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Windows\SysWOW64\svchost.exe
PID 1992 wrote to memory of 1504 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Windows\SysWOW64\svchost.exe
PID 1992 wrote to memory of 1504 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Windows\SysWOW64\svchost.exe
PID 1992 wrote to memory of 1504 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Windows\SysWOW64\svchost.exe
PID 1992 wrote to memory of 1504 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Windows\SysWOW64\svchost.exe
PID 1992 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1992 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1992 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1992 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1992 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe

"C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"

C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe

"C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe"

Network

N/A

Files

memory/1992-56-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1992-57-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1992-59-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1992-60-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1992-61-0x000000001004B900-mapping.dmp

memory/1992-63-0x0000000075511000-0x0000000075513000-memory.dmp

memory/1992-64-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1992-65-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1992-66-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1504-69-0x0000000000000000-mapping.dmp

memory/1992-71-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1504-72-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1504-73-0x0000000010000000-0x000000001004D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-23 19:57

Reported

2022-11-23 22:46

Platform

win10v2004-20221111-en

Max time kernel

159s

Max time network

178s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.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

XtremeRAT

persistence spyware rat xtremerat

UPX packed file

upx
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

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2576 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2576 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2576 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2576 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2576 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2576 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2576 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 2576 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
PID 1696 wrote to memory of 3868 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Windows\SysWOW64\svchost.exe
PID 1696 wrote to memory of 3868 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Windows\SysWOW64\svchost.exe
PID 1696 wrote to memory of 3868 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Windows\SysWOW64\svchost.exe
PID 1696 wrote to memory of 3868 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Windows\SysWOW64\svchost.exe
PID 1696 wrote to memory of 4316 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1696 wrote to memory of 4316 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1696 wrote to memory of 4316 N/A C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe

"C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"

C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe

"C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3868 -ip 3868

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 3868 -ip 3868

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 492

Network

Country Destination Domain Proto
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 52.242.101.226:443 tcp
N/A 104.80.225.205:443 tcp
N/A 52.242.101.226:443 tcp
N/A 52.242.101.226:443 tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp
N/A 52.242.101.226:443 tcp
N/A 72.21.81.240:80 tcp
N/A 72.21.81.240:80 tcp

Files

memory/1696-134-0x0000000000000000-mapping.dmp

memory/1696-135-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1696-137-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1696-138-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3868-139-0x0000000000000000-mapping.dmp

memory/1696-140-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3868-141-0x0000000010000000-0x000000001004D000-memory.dmp