Overview
overview
7Static
static
3PFA-1.1.0-setup.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3DSETUP.dll
windows10-2004-x64
4DXSETUP.exe
windows10-2004-x64
4d3dx9_43.dll
windows10-2004-x64
1infinst.exe
windows10-2004-x64
4d3dx9_43.dll
windows10-2004-x64
3PFA-1.1.0-x86.exe
windows10-2004-x64
3PFA-1.1.0-x86_64.exe
windows10-2004-x64
1Uninstall.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows10-2004-x64
3dsetup32.dll
windows10-2004-x64
4dxdllreg.exe
windows10-2004-x64
4dxupdate.dll
windows10-2004-x64
3Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/08/2026, 23:27
Behavioral task
behavioral1
Sample
PFA-1.1.0-setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
DSETUP.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral5
Sample
DXSETUP.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
d3dx9_43.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral7
Sample
infinst.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
d3dx9_43.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral9
Sample
PFA-1.1.0-x86.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
PFA-1.1.0-x86_64.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral11
Sample
Uninstall.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral13
Sample
dsetup32.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
dxdllreg.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral15
Sample
dxupdate.dll
Resource
win10v2004-20260513-en
General
- Target Uninstall.exe
- Size 61KB
- Sample260803-3ff91adj8z
- SHA256 598e6e1e5c3d07e42df41432bc7ab41456a7e90a69871cd85a447fc8da5dfcc5
- MD5 a23c6c0e996d0b1f00b7dbf13eb995b6
- SHA1 a1f501838d67a59cf7dbe7238931ef5edc0e6247
- SHA512 a095c91454adeeae887b7923a1b3555c90784197e9b73ab2f4b4cf4d6b9d68720f1a7490c1bd75f16ba8c1961a6c1be6403d76daabd7f0759cb870578fa3cc47
- SSDEEP 1536:xQpQ5EP0ijnRTXJegUlHBLeAa9gr/x4e+i:xQIURTXJeplReAaCGev
- TLSH T19F53BE2A32C1C4ABDA26023209F7D77AE3B2FFA5171206675B503F7F5975286EE01187
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 4340 Au_.exe - Executes dropped EXE 1 IoCs
pid Process 4340 Au_.exe - Loads dropped DLL 1 IoCs
pid Process 4340 Au_.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 Uninstall.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Au_.exe - NSIS installer 2 IoCs
resource yara_rule behavioral11/files/0x0007000000024585-4.dat nsis_installer_1 behavioral11/files/0x0007000000024585-4.dat nsis_installer_2 - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1864 wrote to memory of 4340 1864 Uninstall.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1864 -
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe"C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4340
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsc977A.tmp\System.dll
- Size 11KB
- SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
- MD5 c17103ae9072a06da581dec998343fc1
- SHA1 b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
- SHA512 d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
- SSDEEP 192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw
- TLSH T1CA325C5993A0C1F3D5A0823C0D973A7B1779722016B14FA3CFA35842AE196D7AC7D227
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
- Size 61KB
- SHA256 598e6e1e5c3d07e42df41432bc7ab41456a7e90a69871cd85a447fc8da5dfcc5
- MD5 a23c6c0e996d0b1f00b7dbf13eb995b6
- SHA1 a1f501838d67a59cf7dbe7238931ef5edc0e6247
- SHA512 a095c91454adeeae887b7923a1b3555c90784197e9b73ab2f4b4cf4d6b9d68720f1a7490c1bd75f16ba8c1961a6c1be6403d76daabd7f0759cb870578fa3cc47
- SSDEEP 1536:xQpQ5EP0ijnRTXJegUlHBLeAa9gr/x4e+i:xQIURTXJeplReAaCGev
- TLSH T19F53BE2A32C1C4ABDA26023209F7D77AE3B2FFA5171206675B503F7F5975286EE01187
- MD5 SHA1 SHA512 SSDEEP TLSH