Overview
overview
10Static
static
5Trojan.Asprox.zip
windows10-2004-x64
1Trojan.Asprox.zip
windows11-ltsc_2024-x64
1newAsprox.zip
windows10-2004-x64
1newAsprox.zip
windows11-ltsc_2024-x64
1WalmartFor...18.exe
windows10-2004-x64
5WalmartFor...18.exe
windows11-ltsc_2024-x64
5out.exe
windows10-2004-x64
out.exe
windows11-ltsc_2024-x64
d0000.dll
windows10-2004-x64
10d0000.dll
windows11-ltsc_2024-x64
10olderAsprox.zip
windows10-2004-x64
1olderAsprox.zip
windows11-ltsc_2024-x64
180000.dll
windows10-2004-x64
780000.dll
windows11-ltsc_2024-x64
8US_Airways...oc.exe
windows10-2004-x64
7US_Airways...oc.exe
windows11-ltsc_2024-x64
5Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/09/2026, 03:31
Behavioral task
behavioral1
Sample
Trojan.Asprox.zip
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Trojan.Asprox.zip
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
newAsprox.zip
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
newAsprox.zip
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
WalmartForm_San_Antonio_78218.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
WalmartForm_San_Antonio_78218.exe
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral7
Sample
out.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
out.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
d0000.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
d0000.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
olderAsprox.zip
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
olderAsprox.zip
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
80000.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
80000.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
US_Airways_E-Ticket_Print_Doc.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
US_Airways_E-Ticket_Print_Doc.exe
Resource
win11ltsc2024-20260709-en
General
- Target d0000.dll
- Size 74KB
- Sample260907-d3anasbr5t
- SHA256 c56792bea8ac5fbf893ae3df1be0c3c878a615db6b24fd5253e5cbbc2e3e1dd3
- MD5 0d655ecb0b27564685114e1d2e598627
- SHA1 9834d2149842cb807dcfd6b9282eebbfc27f64dc
- SHA512 657172e7b19bfd286d7f1f6336ff8638cf9a62686f72f955a3dfe519a923c1aa953bdf4f533c39cbd6b9c10dffa2101f0f0770de2696f3a8e79c413a535a25ee
- SSDEEP 1536:MS1LKOuMVMCL5D8Nbv5BXg06v/0DNHUYbLOyZeZjOLfJxFwKW01uGR/xOi7OCAf7:MS1HVMCL5EL/9KCRihn
- TLSH T118734901F3C1913AE1E2507C86B562BA683FAE70175588E367E03E051A787E79FB5323
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "1" rundll32.exe - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe - Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\F: rundll32.exe - Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 rundll32.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3612 wrote to memory of 2040 3612 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d0000.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3612 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d0000.dll,#12⤵
- Modifies visibility of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Enumerates connected drives
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
PID:2040
-
Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Virtualization/Sandbox Evasion
1