Analysis
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max time kernel
134s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 23:23
Static task
static1
Behavioral task
behavioral1
Sample
4303b03dfad958e54c1d7a038e29548a.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4303b03dfad958e54c1d7a038e29548a.html
Resource
win10v2004-20231222-en
General
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Target
4303b03dfad958e54c1d7a038e29548a.html
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Size
10KB
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MD5
4303b03dfad958e54c1d7a038e29548a
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SHA1
f13319df4abac36269d880235d8b9fea9223444d
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SHA256
dd326708cce9ea7a49ce7704f30fd294eeb392ca6e2ab1fa397337dbb8081b2e
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SHA512
a273c4bde56fb7d9e76aff873f834aed0f9da240cfd9bc4f517eb4ca5f0bdce23fec82b1eb5cd2e7ef57d94c943ed7e8d1994870f28c7246a8ab552def8b5928
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SSDEEP
96:uzVs+ux7J7dLLY1k9o84d12ef7CSTUyGT/kV+pH+5P1ywUlVHcEZ7ru7f:csz7J7dAYS/HaH+YPHb76f
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000969d72c3e5a03a40a0257479feadc03a000000000200000000001066000000010000200000001b73c04394bb3a9be90d07f7c458da0760c1f9a1eea42a22d23581a0984e607f000000000e80000000020000200000004716a4d77795e8ccc5c304783ff71c9732f4388ff45a6ddc66cbfeeb3e5f9ceb20000000a8ad3056b8f3a270e3403587d90d91260bf2a14be13c4e8142d16df3ec86ccc340000000da2f64d4231a7a4ce1f54601338ec2c80319fc27b6c33bb163d0aa5355a7d56a45af9ac8aca485525e9f3f38e84e44a1839c9dd3aa884a8f4301de5defe1871b iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409796070" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 6032c5615538da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8CDD3561-A448-11EE-9439-EAAD54D9E991} = "0" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2544 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2544 iexplore.exe 2544 iexplore.exe 2388 IEXPLORE.EXE 2388 IEXPLORE.EXE 2388 IEXPLORE.EXE 2388 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2544 wrote to memory of 2388 2544 iexplore.exe 17 PID 2544 wrote to memory of 2388 2544 iexplore.exe 17 PID 2544 wrote to memory of 2388 2544 iexplore.exe 17 PID 2544 wrote to memory of 2388 2544 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\4303b03dfad958e54c1d7a038e29548a.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2544 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2388
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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
MD581039d17fd1fd823a1cb82a15c41719a
SHA1f20bc61b757f998d27990a1d09521e02206fa324
SHA2564ae690eeda88a1e80e95ff961a0def99da78767f0cc334b81aa2b32a69b71813
SHA5125d8ab7647c07b1c58c2b4e19d0a1718010e81378ae581f6e1ee446a0020866eb3431c0b32c66c187ce6855e309d65cef4e49504d5cc3d10b0b45b25cb359c9b7
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5496b99104dadbbe2845f0c1b17861de2
SHA123412f93f58099fe5337f4fa64b0b5a073eaf228
SHA25600f907c1291753d4dc8ca7910efca69a2a34d7d93e18e4af748e6a3b245951de
SHA512d221fec66891571671f5e0d81a355bba12af34e9d4c54c82d81b5d135ec7f112ce9b94d019075281869adb4cfef57a237490995d94c3a4caff1cffd4a4ba9369
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD51b64d0c86facf3c1c4df72fe87d8b414
SHA1746592586443a19a2d53062a6bb70bb155cd779d
SHA2561840f06ee4ef1aa0bad52b91fd931cbaf467823a544c59d2c9b8af13f97a71ff
SHA5125dce7c703400f4cfd9e18d06ae6cf3076a3520d99c3b9030f2cb5c47d443bdd049e4e65bb7c9ef40add796b23609ca1bd1fe24462cd348408b539b7203753e36
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD58ea72b97fd7dfaa7fa144221fdcdb656
SHA1df444169a34de53cd9d281bd6c640a21c37e365a
SHA256c9aadcf96966d4546a0494961bdd0c1cad5a83d406a2857889c3f17097b68cf1
SHA51267fee2b22e6fd88b465c8d4f044f345c8d64ba6b0fda3f11aaa0ce21e58cdacd3832e63c64edd1a4735b3c294b4ab60979419750f9a1149cd9d763cddb519c5e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD54974ad0795306c7b10afc87896d799bb
SHA1a1bd046736d3a77e7a86ff8eaa58ddca84688b45
SHA256e736187403565f58258301c738846b730db129717820cc3f68d696dbd75b6d40
SHA512d9dea5304f409bfa64f211f92305258490fd0d6515261e95e520ee2d7443e745c63b888ade7123a3a9d9a2fc23b71c41dba460321ac289ea5e639781744a3de6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5c641769bcaa23dc7ebf65a3a54dc6ac4
SHA15b231d5b66d4c8e214ac49959099f629043a9771
SHA256d320ca0c23560e857c41ff923279955bb7d19ac488f9c219101e38409a623f76
SHA512ce62456d9519598b80549a2eab3e455dfaaa92fa672b7f36a75743a09ff8e076e7591b5f2121caba2089834a51440ca8863323a2ce1d110662d2cc0e1dbd1bd5