Analysis
- user interaction
yes - max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/09/2026, 22:57
Behavioral task
behavioral1
Sample
FabFilter - Pro-Q 4 v4.01.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
General
- Target FabFilter - Pro-Q 4 v4.01.exe
- Size 6.4MB
- Sample260910-2xc38shp4w
- SHA256 8f7fbee8238c92b0e2e6ddbc74062d8890088e6d5c72c1be894ea570ec4abc8d
- MD5 9f8ab902dc21831fd5226e28dc9c7a38
- SHA1 2e349b05df2fd3301fa512bfe547441faef5d867
- SHA512 93ec02507cbec87f78cdc8acf837271d3f736436c2625aafb1604b4dda99822e6cc60a527fa880aaddd22d852324d836c311e8ac9255bce9be243016764a61f0
- SSDEEP 98304:HkLBNxohyEjgDBhyRrReWhz/Vcm/ciMwuaJB3J3RJaxfTPFbprNNllYYXUKUpLCS:8BNIy2Rrp9NcmWKPJ3RJ4bprNNjkL9Bx
- TLSH T18F66023FE1242C2EF46A1E31017FB3305A77AE91E80E8C1D26F41899DBF25646D6A71D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2268 FabFilter - Pro-Q 4 v4.01.tmp - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 10 IoCs
description ioc Process File opened for modification C:\Program Files\Steinberg\VSTPlugins\FabFilter\FabFilter Pro-Q 4.dll FabFilter - Pro-Q 4 v4.01.tmp File opened for modification C:\Program Files\FabFilter\Pro-Q 4\FabFilter Pro-Q 4.chm FabFilter - Pro-Q 4 v4.01.tmp File created C:\Program Files\Steinberg\VSTPlugins\FabFilter\is-C5GJ5.tmp FabFilter - Pro-Q 4 v4.01.tmp File created C:\Program Files\FabFilter\Pro-Q 4\is-PUVO4.tmp FabFilter - Pro-Q 4 v4.01.tmp File opened for modification C:\Program Files\FabFilter\unins000.dat FabFilter - Pro-Q 4 v4.01.tmp File created C:\Program Files\FabFilter\unins000.dat FabFilter - Pro-Q 4 v4.01.tmp File created C:\Program Files\FabFilter\is-EDS1H.tmp FabFilter - Pro-Q 4 v4.01.tmp File created C:\Program Files\Common Files\VST3\FabFilter\is-PNT1E.tmp FabFilter - Pro-Q 4 v4.01.tmp File created C:\Program Files\FabFilter\Pro-Q 4\is-GHBLR.tmp FabFilter - Pro-Q 4 v4.01.tmp File created C:\Program Files\FabFilter\is-RC77K.tmp FabFilter - Pro-Q 4 v4.01.tmp - 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 FabFilter - Pro-Q 4 v4.01.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FabFilter - Pro-Q 4 v4.01.tmp - Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
resource yara_rule behavioral1/memory/4300-0-0x0000000000400000-0x000000000052F000-memory.dmp innosetup behavioral1/memory/4300-7-0x0000000000400000-0x000000000052F000-memory.dmp innosetup behavioral1/memory/4300-27-0x0000000000400000-0x000000000052F000-memory.dmp innosetup - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2268 FabFilter - Pro-Q 4 v4.01.tmp 2268 FabFilter - Pro-Q 4 v4.01.tmp - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2268 FabFilter - Pro-Q 4 v4.01.tmp - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4300 wrote to memory of 2268 4300 FabFilter - Pro-Q 4 v4.01.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\FabFilter - Pro-Q 4 v4.01.exe"C:\Users\Admin\AppData\Local\Temp\FabFilter - Pro-Q 4 v4.01.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Users\Admin\AppData\Local\Temp\is-1N8VD.tmp\FabFilter - Pro-Q 4 v4.01.tmp"C:\Users\Admin\AppData\Local\Temp\is-1N8VD.tmp\FabFilter - Pro-Q 4 v4.01.tmp" /SL5="$60112,5691949,1187328,C:\Users\Admin\AppData\Local\Temp\FabFilter - Pro-Q 4 v4.01.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:2268
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-1N8VD.tmp\FabFilter - Pro-Q 4 v4.01.tmp
- Size 3.4MB
- SHA256 6314cd49c10779f37fa5afdcdf9c97b37ba5ba3b0e2330c810be5ef6c46cd8c5
- MD5 67b22556e07a2123f338a7f32de3041d
- SHA1 02cf63cbd3d55a968e2ca291316293e71dacbeeb
- SHA512 3cd6e0ca3c86a5806076c6b30901eb7480b6a6cf92f21ca9cb0d96a7c2810c90e77ba6dcfa8b1418e38120521fb19d3ecb7f4fa6e442fbd0da8e3ede35a1ff34
- SSDEEP 49152:7WGtLBcXqFpBR6SVb8kq4pgquLMMji4NYxtJpkxhGjIHTb7333VN+L8:FtLutqgwh4NYxtJpkxhGA333VNX
- TLSH T13CF53B2FF2486D3EF01A3E31463FB1605937FA61E90A4C1666F8794C8E755842E3E74A
- MD5 SHA1 SHA512 SSDEEP TLSH