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
149s - 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 dsetup32.dll
- Size 1.7MB
- Sample260803-3ff91adj8z
- SHA256 642d9e7db6d4fc15129f011dce2ea087bf7f7fb015aececf82bf84ff6634a6fb
- MD5 0f58ccd58a29827b5d406874360e4c08
- SHA1 ba804292580be6186774e7f92e6dfb104e46bf25
- SHA512 3e3d4f2de5dc5addc86765a2f888487ea0c9ee0208fac60187ddaa9a2bfd73cfd7734836d32805fa43222470c8f6cb9a10e2a099aef72c67ad7c789096e57ce4
- SSDEEP 49152:MjnIXtNeOOOOOOOOOOOOOOOOOiWeXiWeXiWeXiWeXiWeXiWeXiWeXiWeXiWeXiWq:YIjma
- TLSH T145859E31B1D40332EA7203B177118AB7F63EEB9DE119D565B9AE825920C2B9CC37E351
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Logs\DXError.log rundll32.exe File opened for modification C:\Windows\Logs\DirectX.log rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 - Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe - Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeBackupPrivilege 4540 vssvc.exe Token: SeRestorePrivilege 4540 vssvc.exe Token: SeAuditPrivilege 4540 vssvc.exe Token: SeBackupPrivilege 3916 srtasks.exe Token: SeRestorePrivilege 3916 srtasks.exe Token: SeSecurityPrivilege 3916 srtasks.exe Token: SeTakeOwnershipPrivilege 3916 srtasks.exe Token: SeBackupPrivilege 3916 srtasks.exe Token: SeRestorePrivilege 3916 srtasks.exe Token: SeSecurityPrivilege 3916 srtasks.exe Token: SeTakeOwnershipPrivilege 3916 srtasks.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3304 wrote to memory of 1584 3304 rundll32.exe 88 - Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dsetup32.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3304 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dsetup32.dll,#12⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1584
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4540
-
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:21⤵
- Suspicious use of AdjustPrivilegeToken
PID:3916
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\Logs\DirectX.log
- Size 716B
- SHA256 fd2266c24febb286b3d0989792e639954fc11ccb3b8c96b10d6a24af6045168b
- MD5 04a4b0e162976381aff682cff300af4b
- SHA1 88051a7db5efacedf9f3d9718def551aadc605d0
- SHA512 4c7b405c6f5e3d4b873bef28dcdfd1144288d40498d0a13ef060d607299b2789a0db430d628b264dec2fbf8b64fee454acc050dcec40c8ed4ee62d39a53ea959
- TLSH T14A0121693CFFA5C119002123EB4F5542CF6AB12F6DBCE0FE70746590C28A15E5D54D6D
- MD5 SHA1 SHA512 TLSH