Malware Analysis Report

2025-06-16 01:06

Sample ID 231227-cawjmahbd8
Target 9bfd251b49758150859e74e9c911f8af
SHA256 3a3004d6d306fb7154b4289bed3e094260ca11f9a97c38f1e5c3dc0640194a05
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

3a3004d6d306fb7154b4289bed3e094260ca11f9a97c38f1e5c3dc0640194a05

Threat Level: Known bad

The file 9bfd251b49758150859e74e9c911f8af 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

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-27 01:52

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-27 01:52

Reported

2024-01-07 10:15

Platform

win10v2004-20231215-en

Max time kernel

146s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe

"C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4064 -ip 4064

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 236

Network

Country Destination Domain Proto
US 8.8.8.8:53 19.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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
US 8.8.8.8:53 217.135.221.88.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 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 211.143.182.52.in-addr.arpa udp

Files

memory/4064-0-0x0000000000400000-0x0000000000419000-memory.dmp

memory/4064-1-0x0000000000400000-0x0000000000419000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-27 01:52

Reported

2024-01-07 10:15

Platform

win7-20231215-en

Max time kernel

150s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.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

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2412 set thread context of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2412 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe
PID 2412 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe
PID 2412 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe
PID 2412 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe
PID 2412 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe
PID 2412 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe
PID 2412 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe
PID 2412 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe
PID 2412 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe
PID 2080 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Windows\SysWOW64\svchost.exe
PID 2080 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Windows\SysWOW64\svchost.exe
PID 2080 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Windows\SysWOW64\svchost.exe
PID 2080 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Windows\SysWOW64\svchost.exe
PID 2080 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Windows\SysWOW64\svchost.exe
PID 2080 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2080 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2080 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2080 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2080 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe

"C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe"

C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.exe

"C:\Users\Admin\AppData\Local\Temp\9bfd251b49758150859e74e9c911f8af.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/2412-0-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2412-3-0x0000000000250000-0x0000000000269000-memory.dmp

memory/2080-4-0x0000000010000000-0x0000000010049000-memory.dmp

memory/2412-5-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2080-7-0x0000000010000000-0x0000000010049000-memory.dmp

memory/2080-8-0x0000000010000000-0x0000000010049000-memory.dmp

memory/2080-9-0x0000000010000000-0x0000000010049000-memory.dmp

memory/2848-10-0x0000000010000000-0x0000000010049000-memory.dmp

memory/2848-12-0x0000000010000000-0x0000000010049000-memory.dmp

memory/2080-13-0x0000000010000000-0x0000000010049000-memory.dmp

memory/2848-14-0x0000000010000000-0x0000000010049000-memory.dmp