Analysis
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max time kernel
120s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
08-01-2024 17:23
Static task
static1
Behavioral task
behavioral1
Sample
4c079ae94f020bc72170278f70916da5.html
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
4c079ae94f020bc72170278f70916da5.html
Resource
win10v2004-20231222-en
General
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Target
4c079ae94f020bc72170278f70916da5.html
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Size
2KB
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MD5
4c079ae94f020bc72170278f70916da5
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SHA1
16b7968a1ba4b11827ed673721a255bc770a2a80
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SHA256
d872778aa98ea15c90f972b09cb8fcb64e083367c875175eff7af2656b9e6306
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SHA512
c45228af3f8dc7da13e61fbc9d04f126c07878bbd2364bf6ccec3641f9dc3b07113672efb3e59600da33b3841cfca757751ee39abaccbb58e632330be4ac55ce
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9AD0EB61-AE4A-11EE-BB35-72D103486AAB} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000046332ab722508540bf00312f0a24f12000000000020000000000106600000001000020000000bf73bb5ef84dbb5cf1b9b15630306d6591c2f553c93713c520a790aaca1e062e000000000e8000000002000020000000e9d304bdd79375439fdda617b44e8a39b0dd4eaf4cac6af474b606135a744e8c20000000f4156d8fa7cbe64ea838bb9d4891a2f688fabce91686543d76dac2efdaaa9778400000000f692df4b4bef6580e781a2a7844cfd6e08c267bbd1fe456e6e0436b9228dda54b61d1ab5b843945aeaa91380871f4f7574044366c5bd2e4d47a3bc751ea3574 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f09b2f6f5742da01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410896466" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2940 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2940 iexplore.exe 2940 iexplore.exe 2952 IEXPLORE.EXE 2952 IEXPLORE.EXE 2952 IEXPLORE.EXE 2952 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2940 wrote to memory of 2952 2940 iexplore.exe 17 PID 2940 wrote to memory of 2952 2940 iexplore.exe 17 PID 2940 wrote to memory of 2952 2940 iexplore.exe 17 PID 2940 wrote to memory of 2952 2940 iexplore.exe 17
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\4c079ae94f020bc72170278f70916da5.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2940 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2952
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC
Filesize252B
MD5c910862197b7766403c8a22464d7c054
SHA14e4e7417d5d90a1466b054cf0f936fe0ab9918b8
SHA25614a8df7d5948b2dce13566190360d59d815b51f4cd29ea64b43be3c569e6e584
SHA512da26fd143a60484899c81eb9ef3aae9e3b21850d6ad39774cfe6223be864c689875394c16dd2fd1a5d7a2ad66e6ee58c42fd34bcd45a240ae95d45efbdc18c72