Malware Analysis Report

2025-04-13 10:43

Sample ID 231230-h5gxlshhdm
Target 11f3b98b2126362766db354da379662e
SHA256 dcfe7b2bec62bcc80e54c023bddc64a865538e113b39102f116d84b9019963a4
Tags
xloader u8aa loader rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

dcfe7b2bec62bcc80e54c023bddc64a865538e113b39102f116d84b9019963a4

Threat Level: Known bad

The file 11f3b98b2126362766db354da379662e was found to be: Known bad.

Malicious Activity Summary

xloader u8aa loader rat

Xloader

Xloader payload

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-30 07:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-30 07:19

Reported

2023-12-31 05:23

Platform

win7-20231215-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe"

Signatures

Xloader

loader xloader

Xloader payload

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2672 set thread context of 2296 N/A C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe

"C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe"

C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe

"C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe"

Network

N/A

Files

memory/2672-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2672-2-0x0000000000280000-0x0000000000282000-memory.dmp

memory/2296-5-0x0000000000910000-0x0000000000C13000-memory.dmp

memory/2296-1-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2296-6-0x0000000000910000-0x0000000000C13000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-30 07:19

Reported

2023-12-31 05:23

Platform

win10v2004-20231215-en

Max time kernel

141s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe

"C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4964 -ip 4964

C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe

"C:\Users\Admin\AppData\Local\Temp\11f3b98b2126362766db354da379662e.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 324

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.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 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 udp
N/A 20.231.121.79:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.31.169.57:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 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/4964-1-0x00000000037C0000-0x00000000037C2000-memory.dmp

memory/4964-0-0x0000000000400000-0x000000000040B000-memory.dmp