811001b4fe5eb474154af3d110215d2739798ce60882a621718be19c0fc4cef2

Analysis

user interaction
yes
max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/08/2026, 16:01

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General

Target
Max.exe
Size 936KB
Sample260820-tgd2laed38
SHA256 811001b4fe5eb474154af3d110215d2739798ce60882a621718be19c0fc4cef2
MD5 16dcff8d7763c8d48cfd6993280f17f8
SHA1 52604edab169e32f51c41466b5490036ea82eed9
SHA512 f1524f00476a412079e15d9f80658167e8762f2f35646f93479108d18a19d6ed78c16a5259896a2656aa9ea06b8359ade33add8245dc6ebdfe58f339a099930f
SSDEEP 24576:5pXA4PQoRbeIzW4iEZ31m2Rx2+siA/s8:5pRDiEB1vRYd/
TLSH
T17715F142779716EAE6738D3886A2D312EF32F8560B65D7CF63900EE52D232D01D39B52
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,"	Max.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	Max.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	Max.exe

Disables Task Manager via registry modification
defense_evasion

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	Max.exe

Indicator Removal: Clear Persistence 1 TTPs 2 IoCs

Clear artifacts associated with previously established persistence like scheduletasks on a host.

defense_evasion

Clear Persistence

T1070.009

pid	Process
2060	cmd.exe
3204	cmd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4620	Max.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4620	Max.exe
4620	Max.exe
4620	Max.exe
4620	Max.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4620	Max.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 2060	4620	Max.exe	86
PID 4620 wrote to memory of 3204	4620	Max.exe	94

C:\Users\Admin\AppData\Local\Temp\Max.exe
"C:\Users\Admin\AppData\Local\Temp\Max.exe"
1⤵
- Modifies WinLogon for persistence
- Looks for VirtualBox Guest Additions in registry
- Disables RegEdit via registry modification
- Looks for VMWare Tools registry key
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c schtasks /delete /tn "WindowsSecurityCheck" /f >nul 2>&1
  2⤵
  - Indicator Removal: Clear Persistence
  PID:2060
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c schtasks /delete /tn "SystemMaintenance" /f >nul 2>&1
  2⤵
  - Indicator Removal: Clear Persistence
  PID:3204