Malware Analysis Report

2024-12-07 21:08

Sample ID 240204-y5xwtsaaa6
Target 90116aa455be3646765ac1fdda8bdcef
SHA256 311dabd5d9f9ac9a4b79bb03e152c983af1fc82a578dab15907ee457d59d0600
Tags
upx 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

311dabd5d9f9ac9a4b79bb03e152c983af1fc82a578dab15907ee457d59d0600

Threat Level: Known bad

The file 90116aa455be3646765ac1fdda8bdcef was found to be: Known bad.

Malicious Activity Summary

upx xtremerat persistence rat spyware

XtremeRAT

Detect XtremeRAT payload

Xtremerat family

UPX packed file

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-04 20:22

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-04 20:22

Reported

2024-02-04 20:25

Platform

win7-20231215-en

Max time kernel

148s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.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

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

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2976 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Windows\SysWOW64\svchost.exe
PID 2976 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Windows\SysWOW64\svchost.exe
PID 2976 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Windows\SysWOW64\svchost.exe
PID 2976 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Windows\SysWOW64\svchost.exe
PID 2976 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Windows\SysWOW64\svchost.exe
PID 2976 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2976 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2976 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2976 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2976 wrote to memory of 2924 N/A C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe

"C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.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/2976-0-0x0000000010000000-0x0000000010056000-memory.dmp

memory/3000-1-0x0000000010000000-0x0000000010056000-memory.dmp

memory/3000-3-0x0000000010000000-0x0000000010056000-memory.dmp

memory/2976-4-0x0000000010000000-0x0000000010056000-memory.dmp

memory/3000-5-0x0000000010000000-0x0000000010056000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-04 20:22

Reported

2024-02-04 20:25

Platform

win10v2004-20231215-en

Max time kernel

142s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.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

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.exe

"C:\Users\Admin\AppData\Local\Temp\90116aa455be3646765ac1fdda8bdcef.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 452 -p 2500 -ip 2500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2500 -ip 2500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 190.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 253.15.104.51.in-addr.arpa udp

Files

memory/4364-0-0x0000000010000000-0x0000000010056000-memory.dmp

memory/2500-1-0x0000000010000000-0x0000000010056000-memory.dmp

memory/4364-2-0x0000000010000000-0x0000000010056000-memory.dmp

memory/2500-3-0x0000000010000000-0x0000000010056000-memory.dmp