Malware Analysis Report

2024-10-19 07:50

Sample ID 240814-r6fklssgqr
Target works (i thimk).exe
SHA256 0a4869f2b7d46eda43c07a1986f8cccecc36b42bf5587b146f6f6a5f119b2bb5
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

0a4869f2b7d46eda43c07a1986f8cccecc36b42bf5587b146f6f6a5f119b2bb5

Threat Level: Known bad

The file works (i thimk).exe was found to be: Known bad.

Malicious Activity Summary

xenorat discovery rat trojan

Xenorat family

XenorRat

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-14 14:48

Signatures

Xenorat family

xenorat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-14 14:48

Reported

2024-08-14 14:50

Platform

win7-20240705-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe"

Signatures

XenorRat

trojan rat xenorat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\works (i thimk).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:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).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 2536 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe
PID 2536 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe
PID 2536 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe
PID 2536 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe
PID 2536 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe
PID 2536 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe
PID 2536 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe
PID 3056 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe C:\Windows\SysWOW64\schtasks.exe
PID 3056 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe C:\Windows\SysWOW64\schtasks.exe
PID 3056 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe C:\Windows\SysWOW64\schtasks.exe
PID 3056 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe

"C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe"

C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Java Updater" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD337.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 communication-sig.gl.at.ply.gg udp
US 147.185.221.22:3038 communication-sig.gl.at.ply.gg tcp

Files

memory/2536-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

memory/2536-1-0x0000000000910000-0x0000000000922000-memory.dmp

\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe

MD5 63b36e568577473bb71a7b54f56e8ec2
SHA1 7a36dc6d73687d3e8df8b02abeeaf52b7075e33d
SHA256 0a4869f2b7d46eda43c07a1986f8cccecc36b42bf5587b146f6f6a5f119b2bb5
SHA512 9c41f09037d56b7143596526a26d0a0fd5d45f0d2b1e31e56950a35ef494b60eaf0941cb0e0e485228216aba2fe0accf295988fcc20d664fe9b1bbb20e223305

memory/3056-9-0x0000000000380000-0x0000000000392000-memory.dmp

memory/3056-10-0x0000000074D20000-0x000000007540E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpD337.tmp

MD5 29eb753358d125c7c390bbc045159183
SHA1 e4d75fddaed27d5f9c6cebb61b9a894c86537172
SHA256 177305de144cf978284546c92b54d160292c5eadc50d1a60e6e5d4d335558129
SHA512 f81ceaf387b4ba65cbfec795231422a6df11bc7f4a9566c68a3f5c4407283adfe1e5d3f27259f84a101460fdcd4369fe7089b88d36b2651ad5656bb4aba39820

memory/3056-13-0x0000000074D20000-0x000000007540E000-memory.dmp

memory/3056-14-0x0000000074D20000-0x000000007540E000-memory.dmp

memory/3056-15-0x0000000074D20000-0x000000007540E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-14 14:48

Reported

2024-08-14 14:49

Platform

win10v2004-20240802-en

Max time kernel

70s

Max time network

72s

Command Line

"C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe"

Signatures

XenorRat

trojan rat xenorat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).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\works (i thimk).exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe

"C:\Users\Admin\AppData\Local\Temp\works (i thimk).exe"

C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Java Updater" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F32.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 communication-sig.gl.at.ply.gg udp
US 147.185.221.22:3038 communication-sig.gl.at.ply.gg tcp
US 147.185.221.22:3038 communication-sig.gl.at.ply.gg tcp
US 8.8.8.8:53 22.221.185.147.in-addr.arpa udp
US 147.185.221.22:3038 communication-sig.gl.at.ply.gg tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
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 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 147.185.221.22:3038 communication-sig.gl.at.ply.gg tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/1856-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

memory/1856-1-0x00000000002E0000-0x00000000002F2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\XenoManager\works (i thimk).exe

MD5 63b36e568577473bb71a7b54f56e8ec2
SHA1 7a36dc6d73687d3e8df8b02abeeaf52b7075e33d
SHA256 0a4869f2b7d46eda43c07a1986f8cccecc36b42bf5587b146f6f6a5f119b2bb5
SHA512 9c41f09037d56b7143596526a26d0a0fd5d45f0d2b1e31e56950a35ef494b60eaf0941cb0e0e485228216aba2fe0accf295988fcc20d664fe9b1bbb20e223305

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\works (i thimk).exe.log

MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

memory/1420-15-0x0000000074E00000-0x00000000755B0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp7F32.tmp

MD5 29eb753358d125c7c390bbc045159183
SHA1 e4d75fddaed27d5f9c6cebb61b9a894c86537172
SHA256 177305de144cf978284546c92b54d160292c5eadc50d1a60e6e5d4d335558129
SHA512 f81ceaf387b4ba65cbfec795231422a6df11bc7f4a9566c68a3f5c4407283adfe1e5d3f27259f84a101460fdcd4369fe7089b88d36b2651ad5656bb4aba39820

memory/1420-18-0x0000000006010000-0x0000000006076000-memory.dmp

memory/1420-19-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/1420-20-0x0000000074E00000-0x00000000755B0000-memory.dmp