Malware Analysis Report

2025-04-13 10:56

Sample ID 231224-v21a1ahgem
Target 089176f8b75aeadbe1340475a97b64b3
SHA256 4adb1957fc3c427382fe6fa8daaa5af58bffd5aa251daaaa73604ec7355eadf5
Tags
xloader c3sc 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

4adb1957fc3c427382fe6fa8daaa5af58bffd5aa251daaaa73604ec7355eadf5

Threat Level: Known bad

The file 089176f8b75aeadbe1340475a97b64b3 was found to be: Known bad.

Malicious Activity Summary

xloader c3sc loader rat

Xloader

Xloader payload

CustAttr .NET packer

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-24 17:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-24 17:29

Reported

2023-12-24 20:23

Platform

win7-20231215-en

Max time kernel

1s

Max time network

4s

Command Line

"C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe

"C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-24 17:29

Reported

2023-12-24 20:16

Platform

win10v2004-20231222-en

Max time kernel

146s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.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 4800 set thread context of 4604 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4800 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe
PID 4800 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe
PID 4800 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe
PID 4800 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe
PID 4800 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe
PID 4800 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe
PID 4800 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe
PID 4800 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe
PID 4800 wrote to memory of 4604 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe

Processes

C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe

"C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe"

C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe

"C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe"

C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe

"C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 84.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp

Files

memory/4800-1-0x0000000074EF0000-0x00000000756A0000-memory.dmp

memory/4800-0-0x0000000000760000-0x00000000007FA000-memory.dmp

memory/4800-2-0x00000000056E0000-0x0000000005C84000-memory.dmp

memory/4800-4-0x00000000051D0000-0x000000000526C000-memory.dmp

memory/4800-3-0x0000000005080000-0x0000000005112000-memory.dmp

memory/4800-5-0x00000000053F0000-0x0000000005400000-memory.dmp

memory/4800-6-0x0000000005150000-0x000000000515A000-memory.dmp

memory/4800-7-0x0000000002910000-0x0000000002922000-memory.dmp

memory/4800-8-0x0000000074EF0000-0x00000000756A0000-memory.dmp

memory/4800-9-0x00000000053F0000-0x0000000005400000-memory.dmp

memory/4800-10-0x0000000006B50000-0x0000000006BCC000-memory.dmp

memory/4800-11-0x00000000066F0000-0x0000000006724000-memory.dmp

memory/4604-12-0x0000000000400000-0x0000000000429000-memory.dmp

memory/4800-14-0x0000000074EF0000-0x00000000756A0000-memory.dmp

memory/4604-15-0x00000000019E0000-0x0000000001D2A000-memory.dmp