Malware Analysis Report

2025-04-13 10:56

Sample ID 231225-g173kadacn
Target 0afe819fb6bd54d591e7b5b368920793
SHA256 68a5258c5c468efc0102b57b21cf9b641032d37746f510b2876d93a3271b10f2
Tags
xloader wufn 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

68a5258c5c468efc0102b57b21cf9b641032d37746f510b2876d93a3271b10f2

Threat Level: Known bad

The file 0afe819fb6bd54d591e7b5b368920793 was found to be: Known bad.

Malicious Activity Summary

xloader wufn loader rat

Xloader

CustAttr .NET packer

Xloader payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-25 06:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 06:17

Reported

2023-12-25 17:36

Platform

win7-20231215-en

Max time kernel

119s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe"

Signatures

Xloader

loader xloader

CustAttr .NET packer

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

Xloader payload

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1596 set thread context of 2632 N/A C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe

"C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe"

C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe

"C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe"

Network

N/A

Files

memory/1596-0-0x00000000009D0000-0x0000000000B02000-memory.dmp

memory/1596-1-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/1596-2-0x0000000004970000-0x00000000049B0000-memory.dmp

memory/1596-3-0x0000000000250000-0x0000000000262000-memory.dmp

memory/1596-4-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/1596-5-0x0000000004970000-0x00000000049B0000-memory.dmp

memory/1596-6-0x0000000004F80000-0x0000000004FF8000-memory.dmp

memory/1596-7-0x00000000008B0000-0x00000000008E0000-memory.dmp

memory/2632-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2632-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2632-9-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2632-8-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1596-13-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/2632-14-0x0000000000B10000-0x0000000000E13000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 06:17

Reported

2023-12-25 17:36

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe"

Signatures

Xloader

loader xloader

CustAttr .NET packer

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

Xloader payload

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3016 set thread context of 4292 N/A C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe

"C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe"

C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe

"C:\Users\Admin\AppData\Local\Temp\0afe819fb6bd54d591e7b5b368920793.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 18.53.126.40.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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 208.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa 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
GB 96.17.178.193:80 tcp

Files

memory/3016-0-0x00000000750D0000-0x0000000075880000-memory.dmp

memory/3016-1-0x0000000000960000-0x0000000000A92000-memory.dmp

memory/3016-2-0x0000000005420000-0x00000000054BC000-memory.dmp

memory/3016-4-0x0000000005580000-0x0000000005612000-memory.dmp

memory/3016-5-0x0000000005500000-0x0000000005510000-memory.dmp

memory/3016-3-0x0000000005A90000-0x0000000006034000-memory.dmp

memory/3016-7-0x0000000005770000-0x00000000057C6000-memory.dmp

memory/3016-6-0x0000000005540000-0x000000000554A000-memory.dmp

memory/3016-8-0x0000000002E80000-0x0000000002E92000-memory.dmp

memory/3016-9-0x00000000750D0000-0x0000000075880000-memory.dmp

memory/3016-10-0x0000000005500000-0x0000000005510000-memory.dmp

memory/3016-11-0x0000000006FD0000-0x0000000007048000-memory.dmp

memory/3016-12-0x0000000007080000-0x00000000070B0000-memory.dmp

memory/4292-13-0x0000000000400000-0x0000000000428000-memory.dmp

memory/3016-15-0x00000000750D0000-0x0000000075880000-memory.dmp

memory/4292-17-0x0000000000FB0000-0x00000000012FA000-memory.dmp