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Analysis
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max time kernel
33s -
max time network
46s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
14/03/2023, 01:07
Static task
static1
Behavioral task
behavioral1
Sample
persisted_first_party_sets.json
Resource
win10-20230220-en
windows10-1703-x64
4 signatures
60 seconds
General
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Target
persisted_first_party_sets.json
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Size
2B
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MD5
99914b932bd37a50b983c5e7c90ae93b
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SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f
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SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
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SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd
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). Likely ransomware behaviour.
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Modifies registry class 38 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 8c003100000000005456458f110050524f4752417e310000740009000400efbe724a6fa85456458f2e0000003f0000000000010000000000000000004a0000000000f0c40301500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = ffffffff OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" OpenWith.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2676 OpenWith.exe -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe 2676 OpenWith.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\persisted_first_party_sets.json1⤵
- Modifies registry class
PID:2000
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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:2676
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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:3464