Resubmissions
03-08-2023 22:32
230803-2gft7ahe7z 303-08-2023 22:06
230803-11kf2she5s 703-08-2023 22:00
230803-1ws8dshe4s 303-08-2023 21:56
230803-1tmylahe3v 3Analysis
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max time kernel
142s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
03-08-2023 22:06
Static task
static1
Behavioral task
behavioral1
Sample
i542ai.exe
Resource
win7-20230712-en
windows7-x64
4 signatures
150 seconds
General
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Target
i542ai.exe
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Size
872KB
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MD5
c56b5f0201a3b3de53e561fe76912bfd
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SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417
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SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
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SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c
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SSDEEP
12288:6pVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:6T3E53Myyzl0hMf1tr7Caw8M01
Malware Config
Signatures
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1824 4072 WerFault.exe 83 -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0\0 = 5000310000000000e6564819100041646d696e003c0009000400efbee3560e630357e5b02e00000090e101000000010000000000000000000000000000002bc91700410064006d0069006e00000014000000 i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 i542ai.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6 i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\Shell i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\7 i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff i542ai.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} i542ai.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202020202 i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1 = 19002f433a5c000000000000000000000000000000000000000000 i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" i542ai.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0\0\0\MRUListEx = 00000000ffffffff i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3 i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\NodeSlot = "2" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0 i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202 i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5 i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\5\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0\0\0\0\0 = 4e003100000000000357e4b0100054656d7000003a0009000400efbee3560e630357e5b02e000000afe10100000001000000000000000000000000000000dd748200540065006d007000000014000000 i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257" i542ai.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\Shell\SniffedFolderType = "Generic" i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 i542ai.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\6\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" i542ai.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\Shell\SniffedFolderType = "Generic" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\Shell i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0\MRUListEx = 00000000ffffffff i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0\0\NodeSlot = "4" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\7\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0 = 7800310000000000e3560e631100557365727300640009000400efbe874f77480357e5b02e000000c70500000000010000000000000000003a00000000006a49040055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 i542ai.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0\0\MRUListEx = ffffffff i542ai.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg i542ai.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0\0\0\0\0\NodeSlot = "7" i542ai.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4072 i542ai.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4072 i542ai.exe 4072 i542ai.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 4072 i542ai.exe 4072 i542ai.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4072 i542ai.exe 4072 i542ai.exe 4072 i542ai.exe 4072 i542ai.exe 4072 i542ai.exe 4072 i542ai.exe 4072 i542ai.exe 4072 i542ai.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\i542ai.exe"C:\Users\Admin\AppData\Local\Temp\i542ai.exe"1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4072 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 20602⤵
- Program crash
PID:1824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4072 -ip 40721⤵PID:1380