Malware Analysis Report

2024-10-19 07:50

Sample ID 240813-vkw71swajb
Target cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836
SHA256 cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836
Tags
xenorat discovery rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836

Threat Level: Known bad

The file cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836 was found to be: Known bad.

Malicious Activity Summary

xenorat discovery rat trojan

XenorRat

Checks computer location settings

Executes dropped EXE

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-13 17:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-13 17:03

Reported

2024-08-13 17:06

Platform

win7-20240705-en

Max time kernel

133s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836.exe"

Signatures

XenorRat

trojan rat xenorat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836.exe

"C:\Users\Admin\AppData\Local\Temp\cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836.exe"

C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe

"C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "XenoUpdateManager" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB22F.tmp" /F

Network

Country Destination Domain Proto
N/A 10.0.2.15:4782 tcp
N/A 10.0.2.15:4782 tcp
N/A 10.0.2.15:4782 tcp
N/A 10.0.2.15:4782 tcp
N/A 10.0.2.15:4782 tcp

Files

memory/1984-4-0x0000000002180000-0x0000000002190000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe

MD5 2bca448db0f71bdebfd84ee460f3e039
SHA1 07a0da591539378548ce33c984ff0d24d1b2d506
SHA256 7dcf92b76f2b38cfa1df2db1905135622927e75b8268943757463f1f6e056b5b
SHA512 aa34ccecf9968ba802dc2d779437df5470b9d699adc0c2cc578cecc2f6db24ca18f4add1420d89af71927a36d7d574303ef6faa40c305f703047ad449396a691

memory/2032-15-0x00000000747CE000-0x00000000747CF000-memory.dmp

memory/2032-16-0x00000000011C0000-0x00000000011D2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpB22F.tmp

MD5 2ccacadadaf0dbea284928607f51884b
SHA1 b9aba32e05d0cdbd6f8f5cd54bbda7811bae4223
SHA256 c6a564b32b176329e69d1ee34b1470de81098db9aad86d966eb1efa3a2bea4d4
SHA512 36bd8ecf1f157c60ef3d317ebd98b4ffe000d4120f9a23b00b081945be27cfb0f68bd4b15af0b15e590294a27e6168b7e0063c3d773aeda35b6e15ed1b493f85

memory/2032-19-0x00000000747C0000-0x0000000074EAE000-memory.dmp

memory/2032-20-0x00000000747CE000-0x00000000747CF000-memory.dmp

memory/2032-21-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-13 17:03

Reported

2024-08-13 17:06

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836.exe"

Signatures

XenorRat

trojan rat xenorat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836.exe

"C:\Users\Admin\AppData\Local\Temp\cd18fdfb3c1421f183e3b7ae865ffe3a0c19042ff4e7d8c12d89e9b70ecfa836.exe"

C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe

"C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "XenoUpdateManager" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9819.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 216.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
N/A 10.0.2.15:4782 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
N/A 10.0.2.15:4782 tcp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
N/A 10.0.2.15:4782 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
N/A 10.0.2.15:4782 tcp
N/A 10.0.2.15:4782 tcp

Files

C:\Users\Admin\AppData\Local\Temp\RarSFX0\virus.exe

MD5 2bca448db0f71bdebfd84ee460f3e039
SHA1 07a0da591539378548ce33c984ff0d24d1b2d506
SHA256 7dcf92b76f2b38cfa1df2db1905135622927e75b8268943757463f1f6e056b5b
SHA512 aa34ccecf9968ba802dc2d779437df5470b9d699adc0c2cc578cecc2f6db24ca18f4add1420d89af71927a36d7d574303ef6faa40c305f703047ad449396a691

memory/4276-14-0x000000007492E000-0x000000007492F000-memory.dmp

memory/4276-15-0x0000000000010000-0x0000000000022000-memory.dmp

memory/4276-16-0x0000000074920000-0x00000000750D0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp9819.tmp

MD5 2ccacadadaf0dbea284928607f51884b
SHA1 b9aba32e05d0cdbd6f8f5cd54bbda7811bae4223
SHA256 c6a564b32b176329e69d1ee34b1470de81098db9aad86d966eb1efa3a2bea4d4
SHA512 36bd8ecf1f157c60ef3d317ebd98b4ffe000d4120f9a23b00b081945be27cfb0f68bd4b15af0b15e590294a27e6168b7e0063c3d773aeda35b6e15ed1b493f85

memory/4276-19-0x000000007492E000-0x000000007492F000-memory.dmp

memory/4276-20-0x0000000074920000-0x00000000750D0000-memory.dmp