xenorat | eef18c81faeee1877aa9cd8d8aef18b643a434fd3da221cc724070ec863e5fcd

Analysis

max time kernel
140s
max time network
144s
platform
windows11-21h2_x64
resource
win11-20250313-en
resource tags

arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system
submitted
24/03/2025, 04:18

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General

Target

RobloxPlayerInstaller-B22GWFHWX3.exe
Size

45KB
MD5

42faf67435979c1245010683d8e916b5
SHA1

b93b780736398c6e4001c150276ccb24982ed67f
SHA256

eef18c81faeee1877aa9cd8d8aef18b643a434fd3da221cc724070ec863e5fcd
SHA512

ff0fd19b423da9c89a6729790f5f39bac4e2dd03d62ad8c8fcf9628afb7e57a58b0a4700ee8811ba6c6191390c7cf3816342852fb90fc583ba261fd4637fcd86
SSDEEP

768:RdhO/poiiUcjlJInvvH9Xqk5nWEZ5SbTDaJWI7CPW5R:Pw+jjgn3H9XqcnW85SbTAWIJ

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes

delay
5000
install_path
nothingset
port
4444
startup_name
nothingset

Signatures

Detect XenoRat Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2904-1-0x0000000000DF0000-0x0000000000E02000-memory.dmp	family_xenorat

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat
Xenorat family
xenorat

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Panther\UnattendGC\setuperr.log	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagerr.xml	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagwrn.xml	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\setupact.log	UserOOBEBroker.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RobloxPlayerInstaller-B22GWFHWX3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FileCoAuth.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe

C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller-B22GWFHWX3.exe
"C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller-B22GWFHWX3.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2904

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:3320

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:3872

C:\Windows\System32\oobe\UserOOBEBroker.exe
C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
1⤵
- Drops file in Windows directory
PID:1092

C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
1⤵
- System Location Discovery: System Language Discovery
PID:3328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\54c341a2-2566-4649-8d27-f2616f035cfc.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

Download Submit
memory/2904-0-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/2904-1-0x0000000000DF0000-0x0000000000E02000-memory.dmp

Filesize
72KB

Download
memory/2904-2-0x0000000074920000-0x00000000750D1000-memory.dmp

Filesize
7.7MB

Download
memory/2904-3-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/2904-4-0x0000000074920000-0x00000000750D1000-memory.dmp

Filesize
7.7MB

Download