Malware Analysis Report

2025-04-13 10:43

Sample ID 231230-g9p84scfdr
Target 111bec0141c3950030ae9186c28724a9
SHA256 605423f09dfd4d182851233f492b7dca74050686f530862ca6a91516bfc18c10
Tags
xloader usvr 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

605423f09dfd4d182851233f492b7dca74050686f530862ca6a91516bfc18c10

Threat Level: Known bad

The file 111bec0141c3950030ae9186c28724a9 was found to be: Known bad.

Malicious Activity Summary

xloader usvr loader rat

Xloader

Xloader payload

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-30 06:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-30 06:30

Reported

2023-12-31 03:37

Platform

win7-20231215-en

Max time kernel

147s

Max time network

126s

Command Line

C:\Windows\Explorer.EXE

Signatures

Xloader

loader xloader

Xloader payload

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2656 set thread context of 2836 N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe C:\Users\Admin\AppData\Local\Temp\PO_0008.exe
PID 2836 set thread context of 1192 N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe C:\Windows\Explorer.EXE
PID 2776 set thread context of 1192 N/A C:\Windows\SysWOW64\cscript.exe C:\Windows\Explorer.EXE

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\cscript.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\PO_0008.exe

"C:\Users\Admin\AppData\Local\Temp\PO_0008.exe"

C:\Users\Admin\AppData\Local\Temp\PO_0008.exe

"C:\Users\Admin\AppData\Local\Temp\PO_0008.exe"

C:\Windows\SysWOW64\cscript.exe

"C:\Windows\SysWOW64\cscript.exe"

C:\Windows\SysWOW64\autoconv.exe

"C:\Windows\SysWOW64\autoconv.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\PO_0008.exe"

Network

N/A

Files

memory/2836-3-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2656-2-0x00000000000F0000-0x00000000000F2000-memory.dmp

memory/2656-1-0x00000000001B0000-0x00000000002B0000-memory.dmp

memory/2836-4-0x00000000008A0000-0x0000000000BA3000-memory.dmp

memory/2836-8-0x0000000000260000-0x0000000000270000-memory.dmp

memory/1192-9-0x0000000006890000-0x00000000069C8000-memory.dmp

memory/1192-7-0x00000000037D0000-0x00000000038D0000-memory.dmp

memory/2836-6-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2776-10-0x00000000003E0000-0x0000000000402000-memory.dmp

memory/2776-12-0x0000000000070000-0x0000000000098000-memory.dmp

memory/2776-11-0x00000000003E0000-0x0000000000402000-memory.dmp

memory/2776-13-0x0000000002040000-0x0000000002343000-memory.dmp

memory/2776-15-0x0000000000070000-0x0000000000098000-memory.dmp

memory/1192-16-0x0000000006890000-0x00000000069C8000-memory.dmp

memory/2776-18-0x0000000002350000-0x00000000023DF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-30 06:30

Reported

2023-12-31 03:37

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

150s

Command Line

C:\Windows\Explorer.EXE

Signatures

Xloader

loader xloader

Xloader payload

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 688 set thread context of 4552 N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe C:\Users\Admin\AppData\Local\Temp\PO_0008.exe
PID 4552 set thread context of 3496 N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe C:\Windows\Explorer.EXE
PID 972 set thread context of 3496 N/A C:\Windows\SysWOW64\raserver.exe C:\Windows\Explorer.EXE

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PO_0008.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\raserver.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\PO_0008.exe

"C:\Users\Admin\AppData\Local\Temp\PO_0008.exe"

C:\Users\Admin\AppData\Local\Temp\PO_0008.exe

"C:\Users\Admin\AppData\Local\Temp\PO_0008.exe"

C:\Windows\SysWOW64\raserver.exe

"C:\Windows\SysWOW64\raserver.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\PO_0008.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 www.anugrahdayakencana.com udp
US 8.8.8.8:53 www.microprojects.net udp
US 13.248.169.48:80 www.microprojects.net tcp
US 8.8.8.8:53 48.169.248.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 www.memento-lagoon.com udp
US 8.8.8.8:53 www.nzrugbylife.info udp
US 8.8.8.8:53 www.ecozoca.com udp
US 8.8.8.8:53 www.qdwentang.com udp
US 38.6.59.201:80 www.qdwentang.com tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 201.59.6.38.in-addr.arpa udp
US 8.8.8.8:53 www.sportzdestinations.com udp
US 3.33.130.190:80 www.sportzdestinations.com tcp
US 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
US 8.8.8.8:53 www.drone-moment.com udp
US 8.8.8.8:53 www.youngsvideography.com udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.17391000.com udp
US 8.8.8.8:53 www.indicraftsvilla.com udp
US 216.239.36.21:80 www.indicraftsvilla.com tcp
US 8.8.8.8:53 21.36.239.216.in-addr.arpa udp
US 8.8.8.8:53 www.nuvo-condos.com udp
US 35.208.158.149:80 www.nuvo-condos.com tcp
US 8.8.8.8:53 149.158.208.35.in-addr.arpa udp
US 8.8.8.8:53 www.theblockmeatstore.com udp
US 8.8.8.8:53 26.35.223.20.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 www.priormakers.net udp
NL 212.32.237.92:80 www.priormakers.net tcp
US 8.8.8.8:53 92.237.32.212.in-addr.arpa udp
US 8.8.8.8:53 www.duetoboias.com udp
US 8.8.8.8:53 www.anugrahdayakencana.com udp
US 13.248.169.48:80 www.microprojects.net tcp
US 8.8.8.8:53 www.memento-lagoon.com udp
US 8.8.8.8:53 www.nzrugbylife.info udp
US 8.8.8.8:53 www.ecozoca.com udp

Files

memory/688-1-0x0000000000400000-0x0000000000500000-memory.dmp

memory/688-2-0x0000000000790000-0x0000000000792000-memory.dmp

memory/4552-3-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4552-4-0x0000000001190000-0x00000000014DA000-memory.dmp

memory/3496-8-0x0000000002810000-0x00000000028D7000-memory.dmp

memory/4552-7-0x0000000000BF0000-0x0000000000C00000-memory.dmp

memory/4552-6-0x0000000000400000-0x0000000000428000-memory.dmp

memory/972-11-0x0000000000BC0000-0x0000000000BDF000-memory.dmp

memory/972-12-0x0000000000A00000-0x0000000000A28000-memory.dmp

memory/972-9-0x0000000000BC0000-0x0000000000BDF000-memory.dmp

memory/972-13-0x00000000028C0000-0x0000000002C0A000-memory.dmp

memory/972-14-0x0000000000A00000-0x0000000000A28000-memory.dmp

memory/972-15-0x00000000027F0000-0x000000000287F000-memory.dmp

memory/3496-19-0x0000000006B70000-0x0000000006C06000-memory.dmp

memory/3496-20-0x0000000006B70000-0x0000000006C06000-memory.dmp

memory/3496-23-0x0000000006B70000-0x0000000006C06000-memory.dmp