Malware Analysis Report

2024-10-23 20:26

Sample ID 240901-kpqkxswekj
Target Password a.rar
SHA256 fe334383fda5544da762cfdf0e63b67f8353697bd978954eab09c6edba951488
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fe334383fda5544da762cfdf0e63b67f8353697bd978954eab09c6edba951488

Threat Level: Known bad

The file Password a.rar was found to be: Known bad.

Malicious Activity Summary

xenorat discovery rat trojan

Xenorat family

XenorRat

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 08:46

Signatures

Xenorat family

xenorat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 08:46

Reported

2024-09-01 23:38

Platform

win10v2004-20240802-en

Max time kernel

594s

Max time network

489s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Fixer\Fixer.exe N/A

Executes dropped EXE

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

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

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

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

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "System-33" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0E1.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
N/A 127.0.0.1:69 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 71.190.18.2.in-addr.arpa udp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
US 8.8.8.8:53 14.179.89.13.in-addr.arpa udp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp

Files

memory/2576-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

memory/2576-1-0x0000000000910000-0x0000000000922000-memory.dmp

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

MD5 5ef7344600895b2f13d5d8e44537d946
SHA1 bdf05e86b0c923a0c1edead40cc50819b185d4c0
SHA256 50866224673bc35d89ba701eaf3e794f452fecf308e9fab36be21fe8c486a9d0
SHA512 9563e4b2c98e3ccc8b47c9739a9a74680c9782f1bd18d67c80fb5f85e6bc667df72978b3d7858ddb30ba522d574215b720a2792b7e9e6d34759d0cdc2eb43c69

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

MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

memory/3140-16-0x00000000749D0000-0x0000000075180000-memory.dmp

memory/3140-17-0x00000000749D0000-0x0000000075180000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpB0E1.tmp

MD5 2ab093f77a33e7004e362f78c87763a8
SHA1 2a4dcef9285dd583a33c1c5195cac7a37daee193
SHA256 4691f336ef4ce21e9f11416ab10393a8d4760db2025cfc0bd59acc25e018e234
SHA512 343b32e2048b259717e04dd98ef8900f3951ca79169947f1ed642b76965d95d517bd5a7878897aee21bd4350ac96aa1240e9d7e86e0fb53b05e28da716e95d3f

memory/3140-19-0x00000000749D0000-0x0000000075180000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-09-01 08:46

Reported

2024-09-01 23:38

Platform

win11-20240802-en

Max time kernel

594s

Max time network

439s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Executes dropped EXE

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

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

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

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

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "System-33" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93E3.tmp" /F

Network

Country Destination Domain Proto
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp

Files

memory/2508-0-0x000000007522E000-0x000000007522F000-memory.dmp

memory/2508-1-0x00000000004C0000-0x00000000004D2000-memory.dmp

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

MD5 5ef7344600895b2f13d5d8e44537d946
SHA1 bdf05e86b0c923a0c1edead40cc50819b185d4c0
SHA256 50866224673bc35d89ba701eaf3e794f452fecf308e9fab36be21fe8c486a9d0
SHA512 9563e4b2c98e3ccc8b47c9739a9a74680c9782f1bd18d67c80fb5f85e6bc667df72978b3d7858ddb30ba522d574215b720a2792b7e9e6d34759d0cdc2eb43c69

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

MD5 1294de804ea5400409324a82fdc7ec59
SHA1 9a39506bc6cadf99c1f2129265b610c69d1518f7
SHA256 494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0
SHA512 033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

memory/968-16-0x0000000075220000-0x00000000759D1000-memory.dmp

memory/968-17-0x0000000075220000-0x00000000759D1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp93E3.tmp

MD5 2ab093f77a33e7004e362f78c87763a8
SHA1 2a4dcef9285dd583a33c1c5195cac7a37daee193
SHA256 4691f336ef4ce21e9f11416ab10393a8d4760db2025cfc0bd59acc25e018e234
SHA512 343b32e2048b259717e04dd98ef8900f3951ca79169947f1ed642b76965d95d517bd5a7878897aee21bd4350ac96aa1240e9d7e86e0fb53b05e28da716e95d3f

memory/968-19-0x0000000075220000-0x00000000759D1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 08:46

Reported

2024-09-01 23:36

Platform

win10-20240404-en

Max time kernel

599s

Max time network

500s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Executes dropped EXE

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

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

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

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

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "System-33" /XML "C:\Users\Admin\AppData\Local\Temp\tmp66B9.tmp" /F

Network

Country Destination Domain Proto
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
US 8.8.8.8:53 171.117.168.52.in-addr.arpa udp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 155.57.22.2.in-addr.arpa udp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp
N/A 127.0.0.1:69 tcp

Files

memory/3368-0-0x0000000073C7E000-0x0000000073C7F000-memory.dmp

memory/3368-1-0x0000000000510000-0x0000000000522000-memory.dmp

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

MD5 5ef7344600895b2f13d5d8e44537d946
SHA1 bdf05e86b0c923a0c1edead40cc50819b185d4c0
SHA256 50866224673bc35d89ba701eaf3e794f452fecf308e9fab36be21fe8c486a9d0
SHA512 9563e4b2c98e3ccc8b47c9739a9a74680c9782f1bd18d67c80fb5f85e6bc667df72978b3d7858ddb30ba522d574215b720a2792b7e9e6d34759d0cdc2eb43c69

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

MD5 957779c42144282d8cd83192b8fbc7cf
SHA1 de83d08d2cca06b9ff3d1ef239d6b60b705d25fe
SHA256 0d7ca7ba65e2b465e4878e324ceab8f8981f5ec06dcf5bc32559a4467a9c7d51
SHA512 f1549c61b4f2906d13b2aabb74772c2bc826cd42373d7bb6c48cbb125d5aa2ec17617e6b5e67e8aae3bb5790cc831cdba48a45008ed01df4fba8be448cce39fd

memory/2232-10-0x0000000073C70000-0x000000007435E000-memory.dmp

memory/2232-11-0x0000000073C70000-0x000000007435E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp66B9.tmp

MD5 2ab093f77a33e7004e362f78c87763a8
SHA1 2a4dcef9285dd583a33c1c5195cac7a37daee193
SHA256 4691f336ef4ce21e9f11416ab10393a8d4760db2025cfc0bd59acc25e018e234
SHA512 343b32e2048b259717e04dd98ef8900f3951ca79169947f1ed642b76965d95d517bd5a7878897aee21bd4350ac96aa1240e9d7e86e0fb53b05e28da716e95d3f

memory/2232-13-0x0000000073C70000-0x000000007435E000-memory.dmp