Malware Analysis Report

2025-04-13 10:47

Sample ID 231228-ax12hseeem
Target bc8db9869cafb1a79072aca3b18ca3ad
SHA256 8881345e69d32ff3178d762456a96927b45f0236e2ddf2ffcb57db02340c67bd
Tags
xloader h388 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

8881345e69d32ff3178d762456a96927b45f0236e2ddf2ffcb57db02340c67bd

Threat Level: Known bad

The file bc8db9869cafb1a79072aca3b18ca3ad was found to be: Known bad.

Malicious Activity Summary

xloader h388 loader rat

Xloader

Xloader payload

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

2023-12-28 00:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-28 00:36

Reported

2023-12-29 12:40

Platform

win7-20231129-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.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 3044 set thread context of 2524 N/A C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe

"C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe"

C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe

"C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe"

Network

N/A

Files

memory/3044-0-0x0000000000CC0000-0x0000000000E18000-memory.dmp

memory/3044-1-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/3044-2-0x0000000004FF0000-0x0000000005030000-memory.dmp

memory/3044-3-0x0000000000200000-0x0000000000236000-memory.dmp

memory/3044-4-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/3044-5-0x0000000004FF0000-0x0000000005030000-memory.dmp

memory/3044-6-0x0000000000C50000-0x0000000000CC8000-memory.dmp

memory/3044-7-0x0000000000620000-0x0000000000650000-memory.dmp

memory/2524-8-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2524-9-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2524-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2524-12-0x0000000000400000-0x0000000000429000-memory.dmp

memory/3044-13-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/2524-14-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-28 00:36

Reported

2023-12-29 12:40

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.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 540 set thread context of 4792 N/A C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe

"C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe"

C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe

"C:\Users\Admin\AppData\Local\Temp\bc8db9869cafb1a79072aca3b18ca3ad.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.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 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
GB 96.16.110.114:80 tcp
GB 96.17.178.209:80 tcp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
N/A 52.111.236.22:443 tcp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.181:80 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
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 8.8.8.8:53 udp
NL 20.31.169.57:443 tcp
NL 20.31.169.57:443 tcp
NL 20.31.169.57:443 tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
NL 20.31.169.57:443 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 8.8.8.8:53 udp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 93.184.221.240:80 tcp
GB 96.17.178.181:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
GB 96.17.178.181:80 tcp
GB 96.17.178.181:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 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/540-2-0x0000000005450000-0x00000000054EC000-memory.dmp

memory/540-1-0x0000000074AB0000-0x0000000075260000-memory.dmp

memory/540-0-0x0000000000A70000-0x0000000000BC8000-memory.dmp

memory/540-3-0x0000000005AA0000-0x0000000006044000-memory.dmp

memory/540-4-0x0000000005590000-0x0000000005622000-memory.dmp

memory/540-6-0x0000000005520000-0x000000000552A000-memory.dmp

memory/540-7-0x0000000005720000-0x0000000005776000-memory.dmp

memory/540-5-0x0000000005810000-0x0000000005820000-memory.dmp

memory/540-8-0x0000000002D00000-0x0000000002D36000-memory.dmp

memory/540-9-0x0000000074AB0000-0x0000000075260000-memory.dmp

memory/540-10-0x0000000005810000-0x0000000005820000-memory.dmp

memory/540-11-0x0000000006830000-0x00000000068A8000-memory.dmp

memory/4792-13-0x0000000000400000-0x0000000000429000-memory.dmp

memory/540-12-0x0000000005830000-0x0000000005860000-memory.dmp

memory/540-15-0x0000000074AB0000-0x0000000075260000-memory.dmp

memory/4792-16-0x0000000000FC0000-0x000000000130A000-memory.dmp

memory/4792-17-0x0000000000FC0000-0x000000000130A000-memory.dmp