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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
16/04/2024, 07:47
Static task
static1
Behavioral task
behavioral1
Sample
isocore.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
isocore.exe
Resource
win10v2004-20240412-en
General
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Target
isocore.exe
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Size
116KB
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MD5
ddfb0520ee255f320322f381ba04390d
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SHA1
2a8cc9c2c86e79defd073e0ddde90261eafc81df
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SHA256
3aff792962175ad4d601e65b4908c1f801bb4eee0c8d1ec4a1b59648bd7efe70
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SHA512
113ed176c2c3c7230d17643a8784d82778b767dedb71323b5ce6d55e8e9945add50ac4b39692ee0cf293d590e755619fc33bcb55ca8f60507732e914df8e98bd
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SSDEEP
3072:yLk395hYXJJtnXOgGOpCm52FpKDHveKc4mvWU:yQqDZ+gRpCmMFpwmGmvH
Malware Config
Signatures
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Loads dropped DLL 2 IoCs
pid Process 2592 isocore.exe 2592 isocore.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Internet Explorer\0747070416.dat isocore.exe File opened for modification C:\Program Files (x86)\Internet Explorer\0747070416.dat isocore.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\Main isocore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "No" isocore.exe Key deleted \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\URLSEARCHHOOKS isocore.exe -
Modifies registry class 22 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\TypeLib\ = "{04F7BD61-E11D-4BB3-B6FE-B730BCA713D4}" isocore.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\PROTOCOLS\Name-Space Handler\http\{07470716-2024-0495-951B-9EA34E34E8CC} isocore.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\PROTOCOLS\Name-Space Handler isocore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\ = "Windows HttpFilter" isocore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\InprocServer32\ThreadingModel = "Apartment" isocore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\ProgID\ isocore.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\PROTOCOLS\Name-Space Handler\http isocore.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\PROTOCOLS\Name-Space Handler\about\{07470716-2024-0495-951B-9EA34E34E8CC} isocore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\InprocServer32\ = "0747070416.dat" isocore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\Programmable\1 = "1" isocore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\VersionIndependentProgID\ isocore.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\PROTOCOLS isocore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\InprocServer32 isocore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\Programmable isocore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\VersionIndependentProgID isocore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\TypeLib isocore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\PROTOCOLS\Name-Space Handler\http\{07470716-2024-0495-951B-9EA34E34E8CC}\CLSID = "{07470716-2024-0495-951B-9EA34E34E8CC}" isocore.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\PROTOCOLS\Name-Space Handler\about isocore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\PROTOCOLS\Name-Space Handler\about\{07470716-2024-0495-951B-9EA34E34E8CC}\CLSID = "{07470716-2024-0495-951B-9EA34E34E8CC}" isocore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC} isocore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\AppID = "{73A7FFA7-AA3A-49E5-A777-713B7DB78E9C}" isocore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{07470716-2024-0495-951B-9EA34E34E8CC}\ProgID isocore.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 isocore.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 isocore.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 2592 isocore.exe Token: SeBackupPrivilege 2592 isocore.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
26KB
MD50894e240135a952bc74f532ae9b7b6f9
SHA1a930889f3b8234d0870cd19a7a613b0363266a72
SHA256c57fc56d5d1c886054cd0cd734945c08abcdb60c355f0ff0882714aa30ad0e41
SHA512b422dd6684b0d052296284be58bc437659c6e327feb41b3f229ba438c49e54eea257e9b476f294fefb721868dd93bd36ed1a9252c179f0b3013a5e7bb1ecb234
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Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f