Malware Analysis Report

2025-04-13 10:56

Sample ID 231225-hhdxfafhaq
Target 0c737a6befc4bba6c1ddba35d396f9d6
SHA256 f6bd2853a8346c75b10f30184adf3a12ddcc7b25dac4a1b0a5e281179b1e1322
Tags
xloader b6a4 loader rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

f6bd2853a8346c75b10f30184adf3a12ddcc7b25dac4a1b0a5e281179b1e1322

Threat Level: Known bad

The file 0c737a6befc4bba6c1ddba35d396f9d6 was found to be: Known bad.

Malicious Activity Summary

xloader b6a4 loader rat

Xloader

Xloader payload

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-25 06:43

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 06:43

Reported

2023-12-25 18:25

Platform

win10v2004-20231215-en

Max time kernel

144s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.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 3916 set thread context of 1124 N/A C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe

"C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3916 -ip 3916

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 320

C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe

"C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 5.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.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 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 160.50.123.104.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/1124-3-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1124-4-0x0000000001440000-0x000000000178A000-memory.dmp

memory/3916-2-0x0000000000F70000-0x0000000000F72000-memory.dmp

memory/3916-1-0x0000000000960000-0x0000000000A60000-memory.dmp

memory/1124-5-0x0000000001440000-0x000000000178A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 06:43

Reported

2023-12-25 18:24

Platform

win7-20231129-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.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 2724 set thread context of 2912 N/A C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe

"C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe"

C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe

"C:\Users\Admin\AppData\Local\Temp\0c737a6befc4bba6c1ddba35d396f9d6.exe"

Network

N/A

Files

memory/2912-3-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2912-4-0x0000000000B60000-0x0000000000E63000-memory.dmp

memory/2724-2-0x0000000000130000-0x0000000000132000-memory.dmp

memory/2724-1-0x0000000000270000-0x0000000000370000-memory.dmp