Malware Analysis Report

2024-10-23 20:26

Sample ID 240904-3awgqszbld
Target a1d210450efc6b44a3be6887b4517627548bda1dbb48850f18a3222a386ad816
SHA256 a1d210450efc6b44a3be6887b4517627548bda1dbb48850f18a3222a386ad816
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

a1d210450efc6b44a3be6887b4517627548bda1dbb48850f18a3222a386ad816

Threat Level: Known bad

The file a1d210450efc6b44a3be6887b4517627548bda1dbb48850f18a3222a386ad816 was found to be: Known bad.

Malicious Activity Summary

xenorat discovery rat trojan

Xenorat family

XenorRat

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 23:19

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 23:19

Reported

2024-09-04 23:21

Platform

win7-20240708-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\MemReduct\Memreduction22222.exe"

Signatures

XenorRat

trojan rat xenorat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MemReduct\Memreduction22222.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\MemReduct\Memreduction22222.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.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\MemReduct\Memreduction22222.exe

"C:\Users\Admin\AppData\Local\Temp\MemReduct\Memreduction22222.exe"

C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.exe

"C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Steam_service" /XML "C:\Users\Admin\AppData\Local\Temp\tmp780D.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/2160-0-0x000000007419E000-0x000000007419F000-memory.dmp

memory/2160-1-0x0000000000940000-0x0000000000952000-memory.dmp

C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.exe

MD5 ce1ea642a77b4bf6cbf7e8d74e800710
SHA1 afc6aae1d0c3aacdc7a75d6cee41a47c38a4fc14
SHA256 e82280dc7853b182380424e45b3494da52b00dbe80637a96614ebd23a5d06cc4
SHA512 b2f258c3fd14ee0166d0f420df879e4dbf0375aac91162c9948fafe7fb5bbd901b955bcf7f70fcf2b53b809b4df28f88b214065c62ed1e2b486315c8f4fdb7ae

memory/2820-9-0x0000000000C30000-0x0000000000C42000-memory.dmp

memory/2820-10-0x0000000074190000-0x000000007487E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp780D.tmp

MD5 12a53938027cb86df0425cff9dd3040d
SHA1 e3c7aceee9ff0f623fac534d1ffd5bc9e73598e1
SHA256 e6b10b58165e00395126e6c12f2c47fd5886d8228ce21a06d7ec3bbec77e140d
SHA512 504c0e3bfac15684a818b434b93425e73a57c147ec259ea2d85bbfca6db171cb03983bbd95a1a54d067d611289d3892ac661ec48aee8610d15a9ded323d961b2

memory/2820-13-0x0000000074190000-0x000000007487E000-memory.dmp

memory/2820-14-0x0000000074190000-0x000000007487E000-memory.dmp

memory/2820-15-0x0000000074190000-0x000000007487E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 23:19

Reported

2024-09-04 23:21

Platform

win10v2004-20240802-en

Max time kernel

143s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\MemReduct\Memreduction22222.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\MemReduct\Memreduction22222.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.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\MemReduct\Memreduction22222.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.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\MemReduct\Memreduction22222.exe

"C:\Users\Admin\AppData\Local\Temp\MemReduct\Memreduction22222.exe"

C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.exe

"C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Steam_service" /XML "C:\Users\Admin\AppData\Local\Temp\tmp979C.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
N/A 127.0.0.1:8080 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
N/A 127.0.0.1:8080 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.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
N/A 127.0.0.1:8080 tcp
N/A 127.0.0.1:8080 tcp
US 8.8.8.8:53 43.229.111.52.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
N/A 127.0.0.1:8080 tcp

Files

memory/1436-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

memory/1436-1-0x0000000000300000-0x0000000000312000-memory.dmp

C:\Users\Admin\AppData\Roaming\XenoManager\Memreduction22222.exe

MD5 ce1ea642a77b4bf6cbf7e8d74e800710
SHA1 afc6aae1d0c3aacdc7a75d6cee41a47c38a4fc14
SHA256 e82280dc7853b182380424e45b3494da52b00dbe80637a96614ebd23a5d06cc4
SHA512 b2f258c3fd14ee0166d0f420df879e4dbf0375aac91162c9948fafe7fb5bbd901b955bcf7f70fcf2b53b809b4df28f88b214065c62ed1e2b486315c8f4fdb7ae

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Memreduction22222.exe.log

MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

memory/3516-15-0x0000000074E80000-0x0000000075630000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp979C.tmp

MD5 12a53938027cb86df0425cff9dd3040d
SHA1 e3c7aceee9ff0f623fac534d1ffd5bc9e73598e1
SHA256 e6b10b58165e00395126e6c12f2c47fd5886d8228ce21a06d7ec3bbec77e140d
SHA512 504c0e3bfac15684a818b434b93425e73a57c147ec259ea2d85bbfca6db171cb03983bbd95a1a54d067d611289d3892ac661ec48aee8610d15a9ded323d961b2

memory/3516-18-0x0000000074E80000-0x0000000075630000-memory.dmp

memory/3516-19-0x0000000074E80000-0x0000000075630000-memory.dmp