Malware Analysis Report

2025-03-15 03:48

Sample ID 250228-c1yrnsyp16
Target xm.ocx.exe
SHA256 b9b628725d830cb53c6854bd5bc5f6d6607cce3ec06821ec323fdb876f883d08
Tags
fatalrat discovery infostealer rat stealer 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

b9b628725d830cb53c6854bd5bc5f6d6607cce3ec06821ec323fdb876f883d08

Threat Level: Known bad

The file xm.ocx.exe was found to be: Known bad.

Malicious Activity Summary

fatalrat discovery infostealer rat stealer trojan

FatalRat

Fatalrat family

Fatal Rat payload

Unsigned PE

System Location Discovery: System Language Discovery

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-28 02:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-28 02:33

Reported

2025-02-28 02:35

Platform

win7-20240903-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe"

Signatures

FatalRat

stealer trojan fatalrat

Fatalrat family

fatalrat

Fatal Rat payload

rat infostealer
Description Indicator Process Target
N/A N/A N/A N/A

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\xm.ocx.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe

"C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 a15.yydsnb1.top udp
US 8.8.8.8:53 a15.nbdsnb2.top udp
HK 47.76.209.81:1080 a15.yydsnb1.top tcp
HK 47.76.209.81:1080 a15.yydsnb1.top tcp

Files

memory/2356-0-0x0000000000400000-0x000000000090A000-memory.dmp

memory/2356-2-0x0000000010000000-0x000000001002D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-02-28 02:33

Reported

2025-02-28 02:35

Platform

win10v2004-20250217-en

Max time kernel

128s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe"

Signatures

FatalRat

stealer trojan fatalrat

Fatalrat family

fatalrat

Fatal Rat payload

rat infostealer
Description Indicator Process Target
N/A N/A N/A N/A

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\xm.ocx.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A
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Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe

"C:\Users\Admin\AppData\Local\Temp\xm.ocx.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 a15.nbdsnb2.top udp
US 8.8.8.8:53 a15.yydsnb1.top udp
HK 47.76.209.81:1080 a15.yydsnb1.top tcp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 a15.nbdsnb2.top udp
US 8.8.8.8:53 a15.nbdsnb2.top udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 a15.nbdsnb2.top udp
US 8.8.8.8:53 a15.nbdsnb2.top udp
US 8.8.8.8:53 a15.nbdsnb2.top udp
US 8.8.8.8:53 a15.nbdsnb2.top udp
US 8.8.8.8:53 a15.nbdsnb2.top udp

Files

memory/4228-0-0x0000000000400000-0x000000000090A000-memory.dmp

memory/4228-2-0x0000000010000000-0x000000001002D000-memory.dmp