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Analysis
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max time kernel
117s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
08/01/2024, 12:24
Static task
static1
Behavioral task
behavioral1
Sample
4b6db40444cf9f21ee3295efc44cf1b4.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4b6db40444cf9f21ee3295efc44cf1b4.html
Resource
win10v2004-20231215-en
General
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Target
4b6db40444cf9f21ee3295efc44cf1b4.html
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Size
13KB
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MD5
4b6db40444cf9f21ee3295efc44cf1b4
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SHA1
846d3f4102153614a2cba832bfcb4da8bcc9cf3c
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SHA256
1d4a3072f7eb71e23bf26d57bf202e3b0fc2bb9c9f2fd1bba4169982884e5b56
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SHA512
295ab7d915d1f4af9a81d0ea572c4944fedda37a924d40795a667722b18cf16cef5c4d2795b11e450a1995f58bb9785826134e15f85e6921d20d8b25f58d54cd
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SSDEEP
384:ln8uqnGDnW0qejsl12ui/p6ifXnCQyfE+DMhwrXRYsCaWTVfH12uJCYO+cOxsxYD:ln8vGDnXBDGiOLtA
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D2C27591-AE20-11EE-9A90-DECE4B73D784} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000566b58630fb3a044b91770fce5e9b2d600000000020000000000106600000001000020000000d0ecf8a07e559d6cdd05000b64fc75742d4974e539c13751ed1362ebd5a48697000000000e8000000002000020000000b5e7de584b3bc89fa73cb04d5126c9d40921a7acb3c66352f3a527c4e748b0d42000000052f2c2afdf562ebde6eff3ca23ae99c521596623972fe746c5dd79175c4d4fd14000000053cdaa288f16fc89c7bc8058fcbd244ab866ecf20df138f3496fc2f27985d117ca8bf1a1de0a89d84644ec2c74461c0ba62642e0c97262c131997e2fe9b5a001 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410878524" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f044aebc2d42da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1520 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1520 iexplore.exe 1520 iexplore.exe 1728 IEXPLORE.EXE 1728 IEXPLORE.EXE 1728 IEXPLORE.EXE 1728 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1520 wrote to memory of 1728 1520 iexplore.exe 28 PID 1520 wrote to memory of 1728 1520 iexplore.exe 28 PID 1520 wrote to memory of 1728 1520 iexplore.exe 28 PID 1520 wrote to memory of 1728 1520 iexplore.exe 28
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\4b6db40444cf9f21ee3295efc44cf1b4.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1520 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1728
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5f9c29184afb2e7baa2c5326fdd52084d
SHA11180b45935b96e00c5a01908cbf73c65f9c84a0f
SHA2567de66d7e9811b4095e6aa446d095bfa15c846f8a238f2d16a9ae26f57c3a7e0f
SHA512ae689840e14fd032ec8e06a111feae97208207b43507723dff8eccfa3f260055ee8185faf3a0c5100f4f4a26340c5773eeb2bc2d04926552afcb653fadf45bd9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD574fd616b245e545799c2d1fd407fe138
SHA1f7c634693ba1e539a7408a0a8ed2713c9ac6f539
SHA25693be1341c5c7c6f93c7edfe1797e57a7e126c1faa0267894c7baa0a36ddde672
SHA5129a0af3c3653bdd157428130fec679800fac7e02294bf3ce12224114453c90fe4a6ffae896fcc3584719708b24901902462c812882adb5ae221673b0f794fbedb
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06