Malware Analysis Report

2025-04-13 10:57

Sample ID 231225-gbygtsgcbj
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: 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

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 WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-25 05:38

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 05:38

Reported

2023-12-25 16:21

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

149s

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 2000 set thread context of 2168 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"

Network

Country Destination Domain Proto
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 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 17.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 udp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
N/A 13.85.23.86:443 tcp
US 8.8.8.8:53 udp
N/A 96.16.110.41:443 tcp
US 8.8.8.8:53 udp
US 192.229.221.95:80 tcp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
N/A 13.85.23.86:443 tcp
N/A 13.85.23.86:443 tcp
US 8.8.8.8:53 udp
N/A 20.73.194.208:443 tcp
US 8.8.8.8:53 udp
N/A 20.166.126.56:443 tcp
US 8.8.8.8:53 udp
N/A 20.73.194.208:443 tcp
US 8.8.8.8:53 udp
N/A 20.73.194.208:443 tcp
US 8.8.8.8:53 udp
N/A 96.16.110.114:80 tcp
N/A 52.142.223.178:80 tcp
US 8.8.8.8:53 udp
N/A 2.17.5.100:80 tcp
N/A 2.17.5.100:80 tcp
N/A 20.123.104.105:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.54.110.119:443 tcp
N/A 20.166.126.56:443 tcp
US 8.8.8.8:53 udp
N/A 13.85.23.86:443 tcp
US 8.8.8.8:53 udp
N/A 20.166.126.56:443 tcp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
N/A 13.85.23.86:443 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
N/A 13.85.23.86:443 tcp
US 8.8.8.8:53 udp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
N/A 96.17.178.204:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.50:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
N/A 96.17.178.204:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
US 8.8.8.8:53 udp
N/A 87.248.205.0:80 tcp
N/A 88.221.134.32:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.223.35.26:443 tcp
N/A 87.248.205.0:80 tcp
N/A 88.221.134.32:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.32:80 tcp
N/A 88.221.134.32:80 tcp
GB 96.17.178.176:80 tcp
N/A 88.221.134.32:80 tcp
N/A 87.248.205.0:80 tcp
N/A 88.221.134.32:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.18:80 tcp
N/A 88.221.134.18:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 udp
US 52.111.229.19:443 tcp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 udp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
US 204.79.197.200:443 g.bing.com tcp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 199.178.17.96.in-addr.arpa udp
GB 96.17.178.199:80 tcp
GB 88.221.135.217:80 tcp
GB 96.17.178.199:80 tcp
GB 96.17.178.199:80 tcp
GB 88.221.135.217:80 tcp
GB 96.17.178.199:80 tcp
GB 96.17.178.199:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 96.17.178.199:80 tcp
GB 96.17.178.199:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
US 52.182.143.209:443 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
US 8.8.8.8:53 udp
US 192.229.221.95:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp

Files

memory/2000-1-0x0000000074410000-0x0000000074BC0000-memory.dmp

memory/2000-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

memory/2000-4-0x00000000054D0000-0x000000000556C000-memory.dmp

memory/2000-5-0x0000000005610000-0x0000000005620000-memory.dmp

memory/2000-6-0x0000000005420000-0x000000000542A000-memory.dmp

memory/2000-3-0x0000000005430000-0x00000000054C2000-memory.dmp

memory/2000-0-0x0000000000990000-0x0000000000A2A000-memory.dmp

memory/2000-7-0x0000000004E00000-0x0000000004E12000-memory.dmp

memory/2000-8-0x0000000074410000-0x0000000074BC0000-memory.dmp

memory/2000-9-0x0000000006EB0000-0x0000000006F2C000-memory.dmp

memory/2000-10-0x0000000006F30000-0x0000000006F64000-memory.dmp

memory/2168-14-0x0000000001B00000-0x0000000001E4A000-memory.dmp

memory/2000-13-0x0000000074410000-0x0000000074BC0000-memory.dmp

memory/2168-11-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2168-15-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 05:38

Reported

2023-12-25 16:21

Platform

win7-20231129-en

Max time kernel

120s

Max time network

121s

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 2396 set thread context of 1668 N/A C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe C:\Users\Admin\AppData\Local\Temp\089176f8b75aeadbe1340475a97b64b3.exe

Suspicious behavior: EnumeratesProcesses

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

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"

Network

N/A

Files

memory/2396-0-0x0000000000D50000-0x0000000000DEA000-memory.dmp

memory/2396-1-0x0000000074810000-0x0000000074EFE000-memory.dmp

memory/2396-2-0x0000000000250000-0x0000000000290000-memory.dmp

memory/2396-3-0x0000000000220000-0x0000000000232000-memory.dmp

memory/2396-4-0x0000000074810000-0x0000000074EFE000-memory.dmp

memory/2396-5-0x0000000000250000-0x0000000000290000-memory.dmp

memory/2396-6-0x0000000005680000-0x00000000056FC000-memory.dmp

memory/2396-7-0x0000000000470000-0x00000000004A4000-memory.dmp

memory/1668-14-0x00000000008F0000-0x0000000000BF3000-memory.dmp

memory/2396-13-0x0000000074810000-0x0000000074EFE000-memory.dmp

memory/1668-12-0x0000000000400000-0x0000000000429000-memory.dmp

memory/1668-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1668-9-0x0000000000400000-0x0000000000429000-memory.dmp

memory/1668-8-0x0000000000400000-0x0000000000429000-memory.dmp