Malware Analysis Report

2025-04-03 09:09

Sample ID 250315-k33gmssr16
Target zzzz.exe
SHA256 66e6eb7cf7be2d2f07adec4d17c143c6a58d56cda382da6ff918ebecc8ee807a
Tags
upx babylonrat discovery persistence 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

66e6eb7cf7be2d2f07adec4d17c143c6a58d56cda382da6ff918ebecc8ee807a

Threat Level: Known bad

The file zzzz.exe was found to be: Known bad.

Malicious Activity Summary

upx babylonrat discovery persistence trojan

Babylonrat family

Babylon RAT

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-15 09:08

Signatures

Babylonrat family

babylonrat

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-15 09:08

Reported

2025-03-15 09:10

Platform

win7-20241023-en

Max time kernel

145s

Max time network

122s

Command Line

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

Signatures

Babylon RAT

trojan babylonrat

Babylonrat family

babylonrat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Babylon RAT\client.exe N/A
N/A N/A C:\ProgramData\Babylon RAT\client.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\zzzz.exe N/A
N/A N/A C:\ProgramData\Babylon RAT\client.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Babylon RAT = "C:\\ProgramData\\Babylon RAT\\client.exe" C:\Users\Admin\AppData\Local\Temp\zzzz.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Babylon RAT = "C:\\ProgramData\\Babylon RAT\\client.exe" C:\ProgramData\Babylon RAT\client.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Babylon RAT = "C:\\ProgramData\\Babylon RAT\\client.exe" C:\ProgramData\Babylon RAT\client.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\zzzz.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Babylon RAT\client.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Babylon RAT\client.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\ProgramData\Babylon RAT\client.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\zzzz.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\zzzz.exe N/A
Token: SeTcbPrivilege N/A C:\Users\Admin\AppData\Local\Temp\zzzz.exe N/A
Token: SeShutdownPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeTcbPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeShutdownPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeTcbPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\ProgramData\Babylon RAT\client.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\zzzz.exe

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

C:\ProgramData\Babylon RAT\client.exe

"C:\ProgramData\Babylon RAT\client.exe"

C:\ProgramData\Babylon RAT\client.exe

"C:\ProgramData\Babylon RAT\client.exe" 2812

Network

N/A

Files

memory/2916-0-0x0000000000AB0000-0x0000000000BA3000-memory.dmp

\ProgramData\Babylon RAT\client.exe

MD5 91dfc3dc22ce12c3cb94b2afb29735f9
SHA1 4478a7cca636b5163e24328478f6c654ffc02184
SHA256 66e6eb7cf7be2d2f07adec4d17c143c6a58d56cda382da6ff918ebecc8ee807a
SHA512 6799e99a258f3c65ef511e5faf7f5b843a30f6ae0a8e6112505cf9fc09c12732f8147e8498922d8451af1c5f5a899e55da8ad68a6c6f0555e358d9b9ed9321a9

memory/2812-9-0x00000000001B0000-0x00000000002A3000-memory.dmp

memory/2916-8-0x0000000000AB0000-0x0000000000BA3000-memory.dmp

memory/2916-6-0x0000000002650000-0x0000000002743000-memory.dmp

memory/2812-13-0x00000000001B0000-0x00000000002A3000-memory.dmp

memory/2812-14-0x0000000002CE0000-0x0000000002DD3000-memory.dmp

memory/2960-17-0x00000000001B0000-0x00000000002A3000-memory.dmp

memory/2812-20-0x00000000001B0000-0x00000000002A3000-memory.dmp

memory/2812-22-0x00000000001B0000-0x00000000002A3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-15 09:08

Reported

2025-03-15 09:10

Platform

win10v2004-20250314-en

Max time kernel

148s

Max time network

111s

Command Line

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

Signatures

Babylon RAT

trojan babylonrat

Babylonrat family

babylonrat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Babylon RAT\client.exe N/A
N/A N/A C:\ProgramData\Babylon RAT\client.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Babylon RAT = "C:\\ProgramData\\Babylon RAT\\client.exe" C:\Users\Admin\AppData\Local\Temp\zzzz.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Babylon RAT = "C:\\ProgramData\\Babylon RAT\\client.exe" C:\ProgramData\Babylon RAT\client.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Babylon RAT = "C:\\ProgramData\\Babylon RAT\\client.exe" C:\ProgramData\Babylon RAT\client.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\zzzz.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Babylon RAT\client.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Babylon RAT\client.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\ProgramData\Babylon RAT\client.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\zzzz.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\zzzz.exe N/A
Token: SeTcbPrivilege N/A C:\Users\Admin\AppData\Local\Temp\zzzz.exe N/A
Token: SeShutdownPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeTcbPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeShutdownPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A
Token: SeTcbPrivilege N/A C:\ProgramData\Babylon RAT\client.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\ProgramData\Babylon RAT\client.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\zzzz.exe

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

C:\ProgramData\Babylon RAT\client.exe

"C:\ProgramData\Babylon RAT\client.exe"

C:\ProgramData\Babylon RAT\client.exe

"C:\ProgramData\Babylon RAT\client.exe" 384

Network

Country Destination Domain Proto
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.195:80 c.pki.goog tcp

Files

memory/5472-0-0x0000000000F00000-0x0000000000FF3000-memory.dmp

C:\ProgramData\Babylon RAT\client.exe

MD5 91dfc3dc22ce12c3cb94b2afb29735f9
SHA1 4478a7cca636b5163e24328478f6c654ffc02184
SHA256 66e6eb7cf7be2d2f07adec4d17c143c6a58d56cda382da6ff918ebecc8ee807a
SHA512 6799e99a258f3c65ef511e5faf7f5b843a30f6ae0a8e6112505cf9fc09c12732f8147e8498922d8451af1c5f5a899e55da8ad68a6c6f0555e358d9b9ed9321a9

memory/384-5-0x0000000000950000-0x0000000000A43000-memory.dmp

memory/5472-7-0x0000000000F00000-0x0000000000FF3000-memory.dmp

memory/384-9-0x0000000000950000-0x0000000000A43000-memory.dmp

memory/384-10-0x0000000000950000-0x0000000000A43000-memory.dmp

memory/3464-12-0x0000000000950000-0x0000000000A43000-memory.dmp

memory/384-13-0x0000000000950000-0x0000000000A43000-memory.dmp