Malware Analysis Report

2024-11-15 04:39

Sample ID 231125-pe82qsae24
Target Zul Free.exe
SHA256 29456c78a229429c66b4ce8997c9bb6593ad9b4e8928e094eb25caf4a7ee0e40
Tags
umbral stealer
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

29456c78a229429c66b4ce8997c9bb6593ad9b4e8928e094eb25caf4a7ee0e40

Threat Level: Known bad

The file Zul Free.exe was found to be: Known bad.

Malicious Activity Summary

umbral stealer

Umbral family

Umbral

Detect Umbral payload

Drops file in System32 directory

Unsigned PE

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-25 12:15

Signatures

Detect Umbral payload

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

Umbral family

umbral

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-25 12:15

Reported

2023-11-25 12:19

Platform

win7-20231023-en

Max time kernel

97s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Zul Free.exe"

Signatures

Detect Umbral payload

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

Umbral

stealer umbral

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\system32\perfmon.msc C:\Windows\system32\mmc.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Program Files\Google\Chrome\Application\chrome.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Windows\system32\mmc.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Windows\system32\mmc.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\system32\mmc.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\mmc.exe N/A
N/A N/A C:\Windows\system32\mmc.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Windows\system32\mmc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Zul Free.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\system32\mmc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\mmc.exe N/A
Token: 33 N/A C:\Windows\system32\mmc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\mmc.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A
N/A N/A C:\Program Files\Google\Chrome\Application\chrome.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A
N/A N/A C:\Windows\system32\mmc.exe N/A
N/A N/A C:\Windows\system32\mmc.exe N/A
N/A N/A C:\Windows\system32\mmc.exe N/A
N/A N/A C:\Windows\system32\mmc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1728 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\Zul Free.exe C:\Windows\System32\Wbem\wmic.exe
PID 1728 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\Zul Free.exe C:\Windows\System32\Wbem\wmic.exe
PID 1728 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\Zul Free.exe C:\Windows\System32\Wbem\wmic.exe
PID 1632 wrote to memory of 1792 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 1792 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 1792 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2312 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2132 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2132 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 2132 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe
PID 1632 wrote to memory of 916 N/A C:\Program Files\Google\Chrome\Application\chrome.exe C:\Program Files\Google\Chrome\Application\chrome.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Zul Free.exe

"C:\Users\Admin\AppData\Local\Temp\Zul Free.exe"

C:\Windows\System32\Wbem\wmic.exe

"wmic.exe" csproduct get uuid

C:\Program Files\VideoLAN\VLC\vlc.exe

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\ClearSubmit.M2V"

C:\Windows\system32\mmc.exe

"C:\Windows\system32\mmc.exe" "C:\Windows\system32\perfmon.msc" /s

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe"

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef4b19758,0x7fef4b19768,0x7fef4b19778

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1180 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:2

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1504 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1588 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:8

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe

"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2264 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:1

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2256 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:1

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1708 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:2

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3212 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:1

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3448 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3456 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:8

C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe

"C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --reenable-autoupdates --system-level

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2820 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:8

C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe

"C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0x154,0x158,0x15c,0x128,0x160,0x13f5d7688,0x13f5d7698,0x13f5d76a8

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3816 --field-trial-handle=1200,i,7910055864252911779,14671644813393539284,131072 /prefetch:1

Network

Country Destination Domain Proto
US 8.8.8.8:53 gstatic.com udp
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 apis.google.com udp
DE 172.217.23.206:443 apis.google.com tcp

Files

memory/1728-0-0x00000000009D0000-0x0000000000A10000-memory.dmp

memory/1728-1-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

memory/1728-2-0x000000001B210000-0x000000001B290000-memory.dmp

memory/1728-3-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

memory/2892-16-0x000000013FF10000-0x0000000140008000-memory.dmp

memory/2892-17-0x000007FEF5910000-0x000007FEF5944000-memory.dmp

memory/2892-18-0x000007FEF5650000-0x000007FEF5904000-memory.dmp

memory/2892-19-0x000007FEF40F0000-0x000007FEF519B000-memory.dmp

memory/2892-20-0x000007FEF3570000-0x000007FEF3682000-memory.dmp

memory/2992-21-0x0000000002210000-0x0000000002211000-memory.dmp

memory/2992-40-0x000007FFFFF60000-0x000007FFFFF70000-memory.dmp

memory/2992-46-0x0000000002210000-0x0000000002211000-memory.dmp

\??\pipe\crashpad_1632_VHLYGDZKXWVBYAAF

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

MD5 18e723571b00fb1694a3bad6c78e4054
SHA1 afcc0ef32d46fe59e0483f9a3c891d3034d12f32
SHA256 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
SHA512 43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

MD5 f50f89a0a91564d0b8a211f8921aa7de
SHA1 112403a17dd69d5b9018b8cede023cb3b54eab7d
SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
SHA512 bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

MD5 fabb5b5fb772ef3125ce1d39870dccf6
SHA1 6e4393271b632ed46c2befc34021af4ae366119d
SHA256 6a00bd7bd35be71e6a19b9e21107e34b2ba1ba11fde6febeaebcb5844d6352a5
SHA512 dd69a7374041d5aaa89eef54bb9b1984354bdd6dacac9c1bb15b3a32bc695eda8927cb55aa0feb0e7413186aef84fc224a5b44efd54e734ca8c58c9f92e2f64e

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

MD5 0a607b61672c1994869c40ed5f21a7eb
SHA1 83590af70e8eae51ab4ccd9be46ff8978ae94d20
SHA256 e61dfba7dbb2b31b46b941ff828d7a6578df5e370a8924a04bc7ee0b6e4b043f
SHA512 f31134bcb730266868ef4009a079a19e9c8165270c8dbd09cd36a0c48a7b8d04d39f4ba0a91b0687775c789a40a8777356392e7d66d68c46d1b5e54f0158b9bc

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\7d00a9fb-eb06-46ba-9f9e-50cb5c211832.tmp

MD5 d93624448b065094cec40f3fd248ccb2
SHA1 ccb6b413fbc4c1ab89e4f31194a65fcc17a54aa8
SHA256 a5fe4c8225589351eb1d0a401ac7249289ab8dd55ada3c97f377546c0bda77fb
SHA512 d0425ea0dda1373689cd5919e1b2bc1edaf9c5ff256c28f2fc26ce967ad26a655071c6ed48dd009cf7682dc692f8a8aa8f1eeaf87442ebd377683490722ead4b

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-25 12:15

Reported

2023-11-25 12:19

Platform

win10v2004-20231020-en

Max time kernel

143s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Zul Free.exe"

Signatures

Detect Umbral payload

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

Umbral

stealer umbral

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Zul Free.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\wmic.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4264 wrote to memory of 3768 N/A C:\Users\Admin\AppData\Local\Temp\Zul Free.exe C:\Windows\System32\Wbem\wmic.exe
PID 4264 wrote to memory of 3768 N/A C:\Users\Admin\AppData\Local\Temp\Zul Free.exe C:\Windows\System32\Wbem\wmic.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Zul Free.exe

"C:\Users\Admin\AppData\Local\Temp\Zul Free.exe"

C:\Windows\System32\Wbem\wmic.exe

"wmic.exe" csproduct get uuid

Network

Country Destination Domain Proto
US 8.8.8.8:53 gstatic.com udp
NL 142.250.179.131:443 gstatic.com tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 254.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

memory/4264-0-0x00000226FD650000-0x00000226FD690000-memory.dmp

memory/4264-1-0x00007FFF62020000-0x00007FFF62AE1000-memory.dmp

memory/4264-2-0x00000226FF340000-0x00000226FF350000-memory.dmp

memory/4264-4-0x00007FFF62020000-0x00007FFF62AE1000-memory.dmp