Overview
overview
10Static
static
3AppxSip/AppxSip.dll
windows11-21h2-x64
8AppxSip/MSVidCtl.dll
windows11-21h2-x64
1AppxSip/de...ps.dll
windows11-21h2-x64
5AppxSip/devenum.dll
windows11-21h2-x64
7SEMgrPS/SEMgrPS.dll
windows11-21h2-x64
1SEMgrPS/Se...pi.dll
windows11-21h2-x64
1SEMgrPS/ne...vc.dll
windows11-21h2-x64
1SEMgrPS/wcimage.dll
windows11-21h2-x64
1dsreg/dcntel.dll
windows11-21h2-x64
1dsreg/dsound.dll
windows11-21h2-x64
1dsreg/dsreg.dll
windows11-21h2-x64
1dsreg/sensrsvc.dll
windows11-21h2-x64
1netprofm/T...ep.dll
windows11-21h2-x64
1netprofm/netprofm.dll
windows11-21h2-x64
1netprofm/rpcnsh.dll
windows11-21h2-x64
1netprofm/s...is.dll
windows11-21h2-x64
1pcwum/AppxSip.dll
windows11-21h2-x64
8pcwum/asferror.dll
windows11-21h2-x64
1pcwum/pcwum.dll
windows11-21h2-x64
1pcwum/pdhui.dll
windows11-21h2-x64
1setup.msi
windows11-21h2-x64
10Analysis
-
max time kernel
151s -
max time network
202s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-06-2024 14:04
Static task
static1
Behavioral task
behavioral1
Sample
AppxSip/AppxSip.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral2
Sample
AppxSip/MSVidCtl.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral3
Sample
AppxSip/deploymentcsps.dll
Resource
win11-20240419-en
windows11-21h2-x64
Behavioral task
behavioral4
Sample
AppxSip/devenum.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral5
Sample
SEMgrPS/SEMgrPS.dll
Resource
win11-20240508-en
windows11-21h2-x64
Behavioral task
behavioral6
Sample
SEMgrPS/SensorsApi.dll
Resource
win11-20240508-en
windows11-21h2-x64
Behavioral task
behavioral7
Sample
SEMgrPS/netprofmsvc.dll
Resource
win11-20240508-en
windows11-21h2-x64
Behavioral task
behavioral8
Sample
SEMgrPS/wcimage.dll
Resource
win11-20240508-en
windows11-21h2-x64
Behavioral task
behavioral9
Sample
dsreg/dcntel.dll
Resource
win11-20240508-en
windows11-21h2-x64
Behavioral task
behavioral10
Sample
dsreg/dsound.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral11
Sample
dsreg/dsreg.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral12
Sample
dsreg/sensrsvc.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral13
Sample
netprofm/TapiSysprep.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral14
Sample
netprofm/netprofm.dll
Resource
win11-20240508-en
windows11-21h2-x64
Behavioral task
behavioral15
Sample
netprofm/rpcnsh.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral16
Sample
netprofm/socialapis.dll
Resource
win11-20240419-en
windows11-21h2-x64
Behavioral task
behavioral17
Sample
pcwum/AppxSip.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral18
Sample
pcwum/asferror.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral19
Sample
pcwum/pcwum.dll
Resource
win11-20240611-en
windows11-21h2-x64
Behavioral task
behavioral20
Sample
pcwum/pdhui.dll
Resource
win11-20240508-en
windows11-21h2-x64
Behavioral task
behavioral21
Sample
setup.msi
Resource
win11-20240508-en
windows11-21h2-x64
General
-
Target
AppxSip/devenum.dll
-
Size
108KB
-
MD5
13dc564be50b850d4ba18d8b28ed7802
-
SHA1
17e703b95bd1ba6beeacb498d4494494e14b7266
-
SHA256
d4c23365d6c16ed6be52fe620742c1fde00d2cb14c3844c7e633b2a251c4c39d
-
SHA512
145da4efdeb0e710e0116462f957d2083c7ad3ee47269fdd853145a1f37ec37b888ad2a585f5965b61525a8848488ae4903eca7550208cda664b5fab9084ced6
-
SSDEEP
1536:W0s0VKB22Wola4XD1HKVxY+e1DxJjdAeWH3z4OmFeTNvM3mBG52hhvzrDQdRC3am:lOBDJKVuaeWHjtmITNSmBG5Ghvbh
Malware Config
Signatures
-
Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
Modifies registry class 43 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A761-90C8-11d0-BD43-00A0C911CE86}\ = "ACM Class Manager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E0F158E1-CB04-11d0-BD4E-00A0C911CE86}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AppxSip\\devenum.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{CC7BFB41-F175-11d1-A392-00E0291F3959}\FriendlyName = "External Renderers" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{CC7BFB46-F175-11d1-A392-00E0291F3959}\CLSID = "{CC7BFB46-F175-11d1-A392-00E0291F3959}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{E0F158E1-CB04-11d0-BD4E-00A0C911CE86}\FriendlyName = "Audio Renderers" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{E0F158E1-CB04-11d0-BD4E-00A0C911CE86}\CLSID = "{E0F158E1-CB04-11d0-BD4E-00A0C911CE86}" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{4EFE2452-168A-11d1-BC76-00C04FB9453B}\Merit = "6291456" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{CC7BFB41-F175-11d1-A392-00E0291F3959}\CLSID = "{CC7BFB41-F175-11d1-A392-00E0291F3959}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{4EFE2452-168A-11d1-BC76-00C04FB9453B}\CLSID = "{4EFE2452-168A-11d1-BC76-00C04FB9453B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EFE2452-168A-11d1-BC76-00C04FB9453B}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\CLSID = "{860BB310-5D01-11d0-BD3B-00A0C911CE86}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{4EFE2452-168A-11d1-BC76-00C04FB9453B}\FriendlyName = "Midi Renderers" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\ = "ActiveMovie Filter Class Manager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{083863F1-70DE-11d0-BD40-00A0C911CE86}\FriendlyName = "DirectShow Filters" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Merit = "6291456" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\FriendlyName = "Audio Capture Sources" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E0F158E1-CB04-11d0-BD4E-00A0C911CE86}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{33D9A760-90C8-11d0-BD43-00A0C911CE86}\CLSID = "{33D9A760-90C8-11d0-BD43-00A0C911CE86}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{33D9A761-90C8-11d0-BD43-00A0C911CE86}\CLSID = "{33D9A761-90C8-11d0-BD43-00A0C911CE86}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\ = "VFW Capture Class Manager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AppxSip\\devenum.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EFE2452-168A-11d1-BC76-00C04FB9453B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AppxSip\\devenum.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\FriendlyName = "Video Capture Sources" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\CLSID = "{33D9A762-90C8-11d0-BD43-00A0C911CE86}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{33D9A761-90C8-11d0-BD43-00A0C911CE86}\FriendlyName = "Audio Compressors" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{E0F158E1-CB04-11d0-BD4E-00A0C911CE86}\Merit = "6291456" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A761-90C8-11d0-BD43-00A0C911CE86}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AppxSip\\devenum.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\ = "WaveIn Class Manager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EFE2452-168A-11d1-BC76-00C04FB9453B}\ = "MidiOut Class Manager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{083863F1-70DE-11d0-BD40-00A0C911CE86}\CLSID = "{083863F1-70DE-11d0-BD40-00A0C911CE86}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\ = "ICM Class Manager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AppxSip\\devenum.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AppxSip\\devenum.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A761-90C8-11d0-BD43-00A0C911CE86}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AppxSip\\devenum.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E0F158E1-CB04-11d0-BD4E-00A0C911CE86}\ = "WaveOut and DSound Class Manager" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\ = "ActiveMovie Filter Categories" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{33D9A760-90C8-11d0-BD43-00A0C911CE86}\FriendlyName = "Video Compressors" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{DA4E3DA0-D07D-11d0-BD50-00A0C911CE86}\Instance\{CC7BFB46-F175-11d1-A392-00E0291F3959}\FriendlyName = "Device Control Filters" regsvr32.exe