Malware Analysis Report

2024-12-07 21:20

Sample ID 240205-pbwbgafcg8
Target 91f5643ac9cd8671b06bb4125edf2cb4
SHA256 7c82825dfbdb907cfea83129932d0ec60506e01a8aa6f617c553da3ee2a26951
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

7c82825dfbdb907cfea83129932d0ec60506e01a8aa6f617c553da3ee2a26951

Threat Level: Known bad

The file 91f5643ac9cd8671b06bb4125edf2cb4 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

Xtremerat family

XtremeRAT

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-05 12:09

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-05 12:09

Reported

2024-02-05 12:12

Platform

win7-20231215-en

Max time kernel

149s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.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

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2256 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Windows\SysWOW64\svchost.exe
PID 2256 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Windows\SysWOW64\svchost.exe
PID 2256 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Windows\SysWOW64\svchost.exe
PID 2256 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Windows\SysWOW64\svchost.exe
PID 2256 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Windows\SysWOW64\svchost.exe
PID 2256 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2256 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2256 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2256 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2256 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe

"C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.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/2256-0-0x0000000010000000-0x00000000100DA000-memory.dmp

memory/2256-1-0x0000000077E80000-0x0000000077E81000-memory.dmp

memory/2256-3-0x0000000077E80000-0x0000000077E81000-memory.dmp

memory/2256-7-0x0000000077630000-0x0000000077631000-memory.dmp

memory/2256-9-0x0000000077630000-0x0000000077631000-memory.dmp

memory/2444-10-0x0000000010000000-0x00000000100DA000-memory.dmp

memory/2444-12-0x0000000010000000-0x00000000100DA000-memory.dmp

memory/2256-13-0x0000000010000000-0x00000000100DA000-memory.dmp

memory/2444-14-0x0000000010000000-0x00000000100DA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-05 12:09

Reported

2024-02-05 12:12

Platform

win10v2004-20231215-en

Max time kernel

141s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.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

XtremeRAT

persistence spyware rat xtremerat

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.exe

"C:\Users\Admin\AppData\Local\Temp\91f5643ac9cd8671b06bb4125edf2cb4.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 424 -p 2472 -ip 2472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 496

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2472 -ip 2472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 504

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp

Files

memory/4576-0-0x0000000010000000-0x00000000100DA000-memory.dmp

memory/4576-1-0x0000000010000000-0x00000000100DA000-memory.dmp

memory/2472-2-0x0000000010000000-0x00000000100DA000-memory.dmp

memory/4576-3-0x0000000077AF0000-0x0000000077AF1000-memory.dmp

memory/4576-4-0x0000000010000000-0x00000000100DA000-memory.dmp

memory/2472-5-0x0000000010000000-0x00000000100DA000-memory.dmp