Malware Analysis Report

2024-10-19 07:50

Sample ID 240811-eea5laxgph
Target ss.exe
SHA256 600f0e940b3e1577146165bb8336815b5bcee0d3d52f85b5cd7905d508c8ce95
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: 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

600f0e940b3e1577146165bb8336815b5bcee0d3d52f85b5cd7905d508c8ce95

Threat Level: Known bad

The file ss.exe was found to be: Known bad.

Malicious Activity Summary

xenorat discovery rat trojan

XenorRat

Xenorat family

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-11 03:50

Signatures

Xenorat family

xenorat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-11 03:50

Reported

2024-08-11 03:53

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

146s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ss.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\ss.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\ss.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\XenoManager\ss.exe N/A

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\XenoManager\ss.exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\ss.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 192.168.56.1:4444 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
N/A 192.168.56.1:4444 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
N/A 192.168.56.1:4444 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
N/A 192.168.56.1:4444 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
N/A 192.168.56.1:4444 tcp

Files

memory/1356-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

memory/1356-1-0x0000000000350000-0x0000000000362000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\XenoManager\ss.exe

MD5 b33e48a704a3830fe8faff21ba6a9ace
SHA1 6fa7424204cea956bc0d39985d44f5372992e95c
SHA256 600f0e940b3e1577146165bb8336815b5bcee0d3d52f85b5cd7905d508c8ce95
SHA512 1310f8c522f42c5a476a5a8feff9a4215c65c55ec87454dc9cd8b43968d88d9a9c20938d4735bfc4ba8db6d9be8de9a305847017cf8bf336f012b57f5ef9abfd

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ss.exe.log

MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

memory/1556-15-0x0000000074D10000-0x00000000754C0000-memory.dmp

memory/1556-16-0x0000000074D10000-0x00000000754C0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-11 03:50

Reported

2024-08-11 03:51

Platform

win7-20240704-en

Max time kernel

15s

Max time network

20s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ss.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\ss.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\XenoManager\ss.exe N/A

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\XenoManager\ss.exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\ss.exe"

Network

Country Destination Domain Proto
N/A 192.168.56.1:4444 tcp

Files

memory/2324-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

memory/2324-1-0x0000000001150000-0x0000000001162000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\XenoManager\ss.exe

MD5 b33e48a704a3830fe8faff21ba6a9ace
SHA1 6fa7424204cea956bc0d39985d44f5372992e95c
SHA256 600f0e940b3e1577146165bb8336815b5bcee0d3d52f85b5cd7905d508c8ce95
SHA512 1310f8c522f42c5a476a5a8feff9a4215c65c55ec87454dc9cd8b43968d88d9a9c20938d4735bfc4ba8db6d9be8de9a305847017cf8bf336f012b57f5ef9abfd

memory/3068-9-0x000000007452E000-0x000000007452F000-memory.dmp

memory/3068-10-0x0000000000E40000-0x0000000000E52000-memory.dmp

memory/3068-11-0x0000000074520000-0x0000000074C0E000-memory.dmp