Analysis
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max time kernel
74s -
max time network
71s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-06-2024 08:50
Behavioral task
behavioral1
Sample
cch_blum_re.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
cch_blum_re.pyc
Resource
win10v2004-20240508-en
General
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Target
cch_blum_re.pyc
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Size
7KB
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MD5
b3b9b54ddc84df18135852ee3ede2383
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SHA1
6841a45353951cbbb8a9bb7a8489a1ab43ce4669
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SHA256
b8e5ae90d66993923b851d0aeb26c0031b56f46a7151d71a0fee2b77bd9bf691
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SHA512
86db3c0eba1533bbe3ca62c324106e199756c09aa5477ab90c0711c28cc01fade9f87f89ebba78117102775194b0a197f95f93c95a8e5ec7c3a0295d494dee68
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SSDEEP
192:8w5Cpjqg1Bo123UpK/PIFwH7GSPFy0xg60GeA:sWmK23UpK/P/bG8aA
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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Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
chrome.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe -
Modifies data under HKEY_USERS 2 IoCs
Processes:
chrome.exedescription ioc process Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry chrome.exe Set value (int) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133632607386843092" chrome.exe -
Modifies registry class 63 IoCs
Processes:
NOTEPAD.EXEcmd.exeOpenWith.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" NOTEPAD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1 NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 NOTEPAD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Generic" NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 0100000000000000ffffffff NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings cmd.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags NOTEPAD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1" NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\NodeSlot = "2" NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 NOTEPAD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 5600310000000000a858e056100057696e646f777300400009000400efbe874f7748d3587a462e00000000060000000001000000000000000000000000000000111f5f00570069006e0064006f0077007300000016000000 NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 5a00310000000000d3587a46100053797374656d33320000420009000400efbe874f7748d3587a462e000000b90c000000000100000000000000000000000000000001fa7400530079007300740065006d0033003200000018000000 NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1 = 3a002e803accbfb42cdb4c42b0297fe99a87c641260001002600efbe110000009afc49b432a1da01615eb7b732a1da01f0dbb8b832a1da0114000000 NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202 NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" NOTEPAD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff NOTEPAD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" NOTEPAD.EXE Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg NOTEPAD.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\MRUListEx = ffffffff NOTEPAD.EXE -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 2032 NOTEPAD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
chrome.exepid process 4536 chrome.exe 4536 chrome.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
OpenWith.exeNOTEPAD.EXEpid process 1244 OpenWith.exe 2032 NOTEPAD.EXE -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
Processes:
chrome.exepid process 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
chrome.exedescription pid process Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe Token: SeShutdownPrivilege 4536 chrome.exe Token: SeCreatePagefilePrivilege 4536 chrome.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
Processes:
chrome.exepid process 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe -
Suspicious use of SendNotifyMessage 24 IoCs
Processes:
chrome.exepid process 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe 4536 chrome.exe -
Suspicious use of SetWindowsHookEx 18 IoCs
Processes:
OpenWith.exeNOTEPAD.EXEpid process 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 1244 OpenWith.exe 2032 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
OpenWith.exechrome.exedescription pid process target process PID 1244 wrote to memory of 2032 1244 OpenWith.exe NOTEPAD.EXE PID 1244 wrote to memory of 2032 1244 OpenWith.exe NOTEPAD.EXE PID 4536 wrote to memory of 3260 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 3260 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 516 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 2756 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 2756 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe PID 4536 wrote to memory of 1476 4536 chrome.exe chrome.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\cch_blum_re.pyc1⤵
- Modifies registry class
PID:3152
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\cch_blum_re.pyc2⤵
- Modifies registry class
- Opens file in notepad (likely ransom note)
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2032
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffd1702ab58,0x7ffd1702ab68,0x7ffd1702ab782⤵PID:3260
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1744 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:22⤵PID:516
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1984 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:82⤵PID:2756
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2260 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:82⤵PID:1476
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3140 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:12⤵PID:732
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3144 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:12⤵PID:2824
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4368 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:12⤵PID:672
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4676 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:82⤵PID:4436
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4780 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:82⤵PID:2640
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4224 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:12⤵PID:5080
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=4544 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:12⤵PID:3228
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3292 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:12⤵PID:4316
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=4160 --field-trial-handle=2036,i,12249787584817777594,10277671112743970270,131072 /prefetch:12⤵PID:3880
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C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"1⤵PID:2708
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
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Filesize
7KB
MD54de48810797102c135ef82f5d6e979cc
SHA1f903a2ea4bec05708c225695d63da4234672cdcc
SHA256d05cd15c84aa1e655c10c25da9b7459327bdd869c939da19de60059a586ae7dd
SHA51271f866e1a0512e9dec8ed6597bc3223098b7cbeeac3b7e86fba4f18f9c6e6f696273ca8a5448bdc305e81378a1627146e4639554df7bbef63a85b222823a8b83
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Filesize
7KB
MD5de71bf9cd980d4f4499af9b3683c41ab
SHA1df9742172629df2c9c8ef622b03d05ac13fb6633
SHA256ff2a7a75e6b4fd2383c6bd2118bbabb9441ed74335f4f05e441f89986b244c37
SHA512fdf0db985742958048bae35697a7c2c58bdd9e173a4214a9a844108d1e0f2c3fe8c7c89294bd52713778931bea949e8defeca5085bff387c9c109a88adc08278
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Filesize
129KB
MD59ac431d647830ea24c3cafcbe43b82b2
SHA1c64cb59fdaaf1862382f159d21538756dd7a2f38
SHA256d1b3fcaf9f3fe9f64719b3be91f2747119a71fb00d1ccd090cb3129d62848ea0
SHA512ec1c35b0d78b2e7b424c94d1ef00b9c8171cf1b1b7e677853b57e4a9a191ce79c39e79da3acd0b98145ce2f65838fffc07513997bf64bf76d7181f7bfd89556b
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e