Malware Analysis Report

2024-10-23 20:26

Sample ID 240904-3dwxnsycjl
Target 8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4
SHA256 8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4
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

8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4

Threat Level: Known bad

The file 8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4 was found to be: Known bad.

Malicious Activity Summary

xenorat discovery rat trojan

Xenorat family

XenorRat

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 23:24

Signatures

Xenorat family

xenorat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 23:24

Reported

2024-09-04 23:26

Platform

win7-20240903-en

Max time kernel

141s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe"

Signatures

XenorRat

trojan rat xenorat

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\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1800 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe
PID 1800 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe
PID 1800 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe
PID 1800 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe
PID 3044 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe C:\Windows\SysWOW64\schtasks.exe
PID 3044 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe C:\Windows\SysWOW64\schtasks.exe
PID 3044 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe C:\Windows\SysWOW64\schtasks.exe
PID 3044 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe

"C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe"

C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe

"C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Steam_service" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC3FB.tmp" /F

Network

Country Destination Domain Proto
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp

Files

memory/1800-0-0x000000007406E000-0x000000007406F000-memory.dmp

memory/1800-1-0x0000000000110000-0x0000000000122000-memory.dmp

\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe

MD5 9cd971f0e65470ce291b479f21347ec0
SHA1 1ddb30a4c205cd84854798ca74ca09ac5d745233
SHA256 8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4
SHA512 b28792401069c0ae200fc41f2e86caacc4f604ba921482ad8a230ad12fcba9126d9b6b019e196869f5b935f0966defd2438aca5773becc7c7b4610c1c8fbe2a2

memory/3044-9-0x000000007397E000-0x000000007397F000-memory.dmp

memory/3044-10-0x00000000013A0000-0x00000000013B2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpC3FB.tmp

MD5 a16d5b4dd38752581dd5c987c3e5e87b
SHA1 7cc4d44010e0099edf5a24d1039b374d5577f3b7
SHA256 23f9443d5172e1ed3aefb49dc62317cca3166a26df46c08f92b042ff2bd1c5ab
SHA512 de0b134e9e2a97e0b2a19f65761a2455f71079f731cf58b7f0960dfe4ba84966d8894f23571fbc7129a3afac160f2b86dc29ab051d658de71e945b210f838df3

memory/3044-13-0x0000000073970000-0x000000007405E000-memory.dmp

memory/3044-14-0x000000007397E000-0x000000007397F000-memory.dmp

memory/3044-15-0x0000000073970000-0x000000007405E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 23:24

Reported

2024-09-04 23:26

Platform

win10v2004-20240802-en

Max time kernel

141s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe"

Signatures

XenorRat

trojan rat xenorat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.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\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.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\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe

"C:\Users\Admin\AppData\Local\Temp\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe"

C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe

"C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Steam_service" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC9E7.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 127.0.0.1:8080 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
N/A 127.0.0.1:8080 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
N/A 127.0.0.1:8080 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp

Files

memory/2068-0-0x000000007443E000-0x000000007443F000-memory.dmp

memory/2068-1-0x0000000000CE0000-0x0000000000CF2000-memory.dmp

C:\Users\Admin\AppData\Roaming\XenoManager\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe

MD5 9cd971f0e65470ce291b479f21347ec0
SHA1 1ddb30a4c205cd84854798ca74ca09ac5d745233
SHA256 8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4
SHA512 b28792401069c0ae200fc41f2e86caacc4f604ba921482ad8a230ad12fcba9126d9b6b019e196869f5b935f0966defd2438aca5773becc7c7b4610c1c8fbe2a2

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8a498dbf2e73ee2a5920ff22582eb0bc07721ea62c1d70dcfbaf7e41979a1da4.exe.log

MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

memory/3172-15-0x0000000074430000-0x0000000074BE0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpC9E7.tmp

MD5 a16d5b4dd38752581dd5c987c3e5e87b
SHA1 7cc4d44010e0099edf5a24d1039b374d5577f3b7
SHA256 23f9443d5172e1ed3aefb49dc62317cca3166a26df46c08f92b042ff2bd1c5ab
SHA512 de0b134e9e2a97e0b2a19f65761a2455f71079f731cf58b7f0960dfe4ba84966d8894f23571fbc7129a3afac160f2b86dc29ab051d658de71e945b210f838df3

memory/3172-18-0x0000000074430000-0x0000000074BE0000-memory.dmp

memory/3172-19-0x0000000074430000-0x0000000074BE0000-memory.dmp