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Analysis
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max time kernel
442s -
max time network
540s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
12/09/2024, 11:36
Static task
static1
Behavioral task
behavioral1
Sample
TaskMsgbox.accdb
Resource
win10v2004-20240802-en
windows10-2004-x64
3 signatures
1800 seconds
Behavioral task
behavioral2
Sample
TaskMsgbox.accdb
Resource
win11-20240802-en
windows11-21h2-x64
4 signatures
1800 seconds
General
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Target
TaskMsgbox.accdb
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Size
1.1MB
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MD5
30eb97213852d76c3130d38c29440e8f
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SHA1
80cb2ad14bdbcd2d06cc4b84b32b3d061aaaeaea
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SHA256
83af7eed5912a603c267effa08b3201017d9172d9c164879ca5fa1e8c28467f7
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SHA512
acf83ba736d2ccebaf4e1a247f6b64881cfaf6abaf022acbcdd5da9036431b57848df43a475f0c9c9257ff9886db5d3d9ddf8020c1dc56b6f43f344a08edc869
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SSDEEP
6144:Ew60E/SsiqVC3LbfWRnAaB2HDnuvZ61mkHrnpc85R221e:EP5/Niq4P+RAaB2HKvZ6YkHbiog2g
Score
3/10
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\1 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\1\1\NodeSlot = "10" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202020202020202 OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\1\1 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\Shell\SniffedFolderType = "Generic" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\1\1 = 8c0031000000000002591a7c110050524f4752417e310000740009000400efbec552596102591a7c2e0000003f0000000000010000000000000000004a0000000000b631bf00500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\Shell OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02020202020202020202 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\1\MRUListEx = 0100000000000000ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\1\1\MRUListEx = ffffffff OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\10\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" OpenWith.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3636 OpenWith.exe -
Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 4348 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe 3636 OpenWith.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\TaskMsgbox.accdb1⤵
- Modifies registry class
PID:3104
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4348
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3188
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3636