Analysis
- max time kernel
148s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 17:10
Behavioral task
behavioral1
Sample
aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.exe
Resource
win11ltsc2024-20260709-en
11 signatures
150 seconds
General
- Target aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.exe
- Size 1.6MB
- Sample260804-vp5pysea95
- SHA256 aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721
- MD5 285c035d321cb9c41aa9255cb2f331a6
- SHA1 074c16eb997e0d18bb6356c2c00f14772c146ace
- SHA512 d1328e6959060ba804cd350b05992411dcc58c0d82d1d0265a2f4c7eb94352c584109d542b7310bdd3744067089161b79673dab2b4a5ce43963ede1a2d6e9f8a
- SSDEEP 24576:gawwKusHwEwS2bQ2LBJFQzO6I6h6gEGe/NIsWvMyCShx26:wwRED52L7FfShv2NuMs26
- TLSH T18975BF23F3CBE43EE05D1B3305B2A05894F76A616922BE568AECB4ACCF751501D3E746
- MD5 SHA1 SHA512 SSDEEP TLSH
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.
- Executes dropped EXE 1 IoCs
pid Process 2448 aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp - Loads dropped DLL 2 IoCs
pid Process 1004 regsvr32.exe 4256 regsvr32.exe - 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 7 IoCs
description ioc Process File created C:\Program Files\Recorder Devices for ShareX\is-QDDGI.tmp aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp File created C:\Program Files\Recorder Devices for ShareX\is-O34M2.tmp aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp File created C:\Program Files\Recorder Devices for ShareX\is-LR96N.tmp aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp File opened for modification C:\Program Files\Recorder Devices for ShareX\unins000.dat aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp File opened for modification C:\Program Files\Recorder Devices for ShareX\screen-capture-recorder-x64.dll aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp File opened for modification C:\Program Files\Recorder Devices for ShareX\virtual-audio-capturer-x64.dll aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp File created C:\Program Files\Recorder Devices for ShareX\unins000.dat aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.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 aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp - Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/3856-1-0x0000000000400000-0x00000000004CB000-memory.dmp innosetup behavioral2/memory/3856-8-0x0000000000400000-0x00000000004CB000-memory.dmp innosetup behavioral2/memory/3856-26-0x0000000000400000-0x00000000004CB000-memory.dmp innosetup - Modifies registry class 26 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\Instance\{8E146464-DB61-4309-AFA1-3578E927E935} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\Instance\{8E146464-DB61-4309-AFA1-3578E927E935}\FriendlyName = "virtual-audio-capturer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EA69364-2C8A-4AE6-A561-56E4B5044439} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\Instance\{4EA69364-2C8A-4AE6-A561-56E4B5044439}\FriendlyName = "screen-capture-recorder" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\Instance\{4EA69364-2C8A-4AE6-A561-56E4B5044439}\CLSID = "{4EA69364-2C8A-4AE6-A561-56E4B5044439}" regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\Instance\{8E146464-DB61-4309-AFA1-3578E927E935}\FilterData = 02000000000020000100000000000000307069330800000000000000010000000000000000000000307479330000000038000000480000006175647300001000800000aa00389b7100000000000000000000000000000000 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EA69364-2C8A-4AE6-A561-56E4B5044439}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11D0-BD3B-00A0C911CE86}\Instance\{4EA69364-2C8A-4AE6-A561-56E4B5044439} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11D0-BD3B-00A0C911CE86} regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\Instance\{4EA69364-2C8A-4AE6-A561-56E4B5044439}\FilterData = 02000000000020000100000000000000307069330800000000000000010000000000000000000000307479330000000038000000480000007669647300001000800000aa00389b7100000000000000000000000000000000 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8E146464-DB61-4309-AFA1-3578E927E935}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8E146464-DB61-4309-AFA1-3578E927E935}\InprocServer32\ = "C:\\Program Files\\Recorder Devices for ShareX\\virtual-audio-capturer-x64.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11D0-BD43-00A0C911CE86}\Instance\{8E146464-DB61-4309-AFA1-3578E927E935} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EA69364-2C8A-4AE6-A561-56E4B5044439}\ = "screen-capture-recorder" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EA69364-2C8A-4AE6-A561-56E4B5044439}\InprocServer32\ = "C:\\Program Files\\Recorder Devices for ShareX\\screen-capture-recorder-x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EA69364-2C8A-4AE6-A561-56E4B5044439}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8E146464-DB61-4309-AFA1-3578E927E935}\ = "virtual-audio-capturer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11D0-BD43-00A0C911CE86} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\Instance regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A762-90C8-11d0-BD43-00A0C911CE86}\Instance\{8E146464-DB61-4309-AFA1-3578E927E935}\CLSID = "{8E146464-DB61-4309-AFA1-3578E927E935}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\Instance regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\Instance\{4EA69364-2C8A-4AE6-A561-56E4B5044439} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8E146464-DB61-4309-AFA1-3578E927E935} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8E146464-DB61-4309-AFA1-3578E927E935}\InprocServer32\ThreadingModel = "Both" regsvr32.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2448 aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp 2448 aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2448 aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3856 wrote to memory of 2448 3856 aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.exe 89 PID 2448 wrote to memory of 1004 2448 aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp 90 PID 2448 wrote to memory of 4256 2448 aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.exe"C:\Users\Admin\AppData\Local\Temp\aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Users\Admin\AppData\Local\Temp\is-FQAQR.tmp\aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp"C:\Users\Admin\AppData\Local\Temp\is-FQAQR.tmp\aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp" /SL5="$4017C,844339,776192,C:\Users\Admin\AppData\Local\Temp\aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\system32\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files\Recorder Devices for ShareX\screen-capture-recorder-x64.dll"3⤵
- Loads dropped DLL
- Modifies registry class
PID:1004
-
-
C:\Windows\system32\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files\Recorder Devices for ShareX\virtual-audio-capturer-x64.dll"3⤵
- Loads dropped DLL
- Modifies registry class
PID:4256
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\Recorder Devices for ShareX\screen-capture-recorder-x64.dll
- Size 68KB
- SHA256 0b8d787539ef9e1025d3958459ca7a423735236ee77e288a7e4f64ecc6c99749
- MD5 d69b478493a0466adc60f23609254dcb
- SHA1 6edd8c2c7d02f4957d6a302bfc1d2741a6d6212d
- SHA512 7ec2ee196408f49d79a63a3c8b21b57ee3436e9f19a4a5b93b8ac1f9c888d9150719c77b8920d36e464fa5cfef23fefcf8cdda4a4e369e8e17fe9332bf9d83c6
- SSDEEP 1536:iih10htM4r+bjZXQXFw5zr1aDRWvguDDdDWgeMCzz3O/g5dLCL+:iij0hhrKjZXQK5GU8bO/g5cL+
- TLSH T1BA63E65A33B981A9E036D139C9B38A51E3B6F0941F6297CF6661534E2F33BD08D39721
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Recorder Devices for ShareX\virtual-audio-capturer-x64.dll
- Size 59KB
- SHA256 33a36eb332dac7dbb227bb0a7e99a92e7f0f138399070aad76bb8e31cc569946
- MD5 25b77b4db9fc2119f32e5a00d205582f
- SHA1 6a45bb49aac1811ddbf45cbf4f55957b46901267
- SHA512 95b743476842c4d94ef620fbaed83088253c53a39d969b8d428fd2428ef7e2a594460035c75fcfa1aea46a2393d778b6f102b95713315ea76165c4cdfc7f3914
- SSDEEP 1536:SDhaFPBhrMSaqvx87sT7nto++lJ6zOliLWZ:zZrcqvws1iT6zOlXZ
- TLSH T15143F89A37B880DAE235D2398963CB5AE2B2F4552FA247CF65B0435E2F337C45939311
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-FQAQR.tmp\aef431742e22e2e933d7ce505842d307f4091a8421576a3325ae737692808721.tmp
- Size 3.0MB
- SHA256 d9369f3228e58fe90749d70a280192f8ce6af85695f3e247ad6a3dbcacbdbc0b
- MD5 6e06bd8e8ee8ff30ce533e550f1973c0
- SHA1 2b585b030168c4f1f704fdc325ff9dd88d2ffbe2
- SHA512 647c1c08cb5be725de13ea35924363bd288968a5ca8bbfb270ec8aab0f2f4d0a424766488a9219baa8378d2709fa060f3fa8545669ba0ceda49fe385d55c07f6
- SSDEEP 49152:0dJYVM+9JtzZWnoS2VC23aun8+f5KuGP+VYNCWNtdt6333T/:WJYVM+LtVt3P/KuGP+VYNCul6333T
- TLSH T107E55C17F389613ED05B2A352927C1515937BE707A2A8C575BEC3E4C8F361886E3B34A
- MD5 SHA1 SHA512 SSDEEP TLSH