Analysis
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max time kernel
139s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 18:48
Static task
static1
Behavioral task
behavioral1
Sample
35a21840b95eff687c2cf95133d5fc2c.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
35a21840b95eff687c2cf95133d5fc2c.html
Resource
win10v2004-20231215-en
General
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Target
35a21840b95eff687c2cf95133d5fc2c.html
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Size
10KB
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MD5
35a21840b95eff687c2cf95133d5fc2c
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SHA1
f7899e720bcf2d4b8b77958d486e15f29b138779
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SHA256
86fc6c77ac2876e96e86ec32ef03502d9283e5aec1a6b35ec226915a0a76168e
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SHA512
28c3f14e20bb23b7e21fb982644ee8181c300d4ee77e5ca4ca2408bb8878490dd8bb85684a7a82fcb86340316fc4d934326f018a87ff26976c8996d60e9ce726
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SSDEEP
96:opAUWSyTyOXnjqdCjDdN3Fi1Tmr97CYFV+MJC7KhbbsxdV67/SZnqdvWN5QQfVac:oparZrFiSDV+MA+bXSgWIQfVaXIuKr8u
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\International\CpMRU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E3DA1841-A611-11EE-A1FE-F6BE0C79E4FA} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000580e1c8c6faee54b80ab28599b83677c000000000200000000001066000000010000200000008995d897750f339976e1041d4980b56163414e02052626480d3368f26aad3f3a000000000e8000000002000020000000cf809a60117180f93fc6c5d7cc64baeadcb94b1a71e0777d9b738d534cafd776200000001be63b056cce90c5d14ace3724766c33201e2292e728518222510e5c3dc138c840000000ff152da592cb382e2a1fa07b25a88386dbb8278fdbd28712613b57d268c0afa61d619b857f7bf81dd992459ac580a3c47408969499b48d89eefe64f2a0635e0b iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409992503" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 006c3dbd1e3ada01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1348 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1348 iexplore.exe 1348 iexplore.exe 2360 IEXPLORE.EXE 2360 IEXPLORE.EXE 2360 IEXPLORE.EXE 2360 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1348 wrote to memory of 2360 1348 iexplore.exe 28 PID 1348 wrote to memory of 2360 1348 iexplore.exe 28 PID 1348 wrote to memory of 2360 1348 iexplore.exe 28 PID 1348 wrote to memory of 2360 1348 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\35a21840b95eff687c2cf95133d5fc2c.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1348 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2360
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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
MD5e8c92a3e0e299ce2562291bb699078e9
SHA14b1276fc71c7a1aed342ab4defc553dc4517818e
SHA256285d4b926cfd8cd9a53570e863413898a10f5d21ffb063909df9523581ca614d
SHA51274aca2fa9f26dd782dfebb0949f9b84cf02afba652b94243621eba6f277336b99dafc179efbd9b37878e456e46549bf11c9c4d5bfda377383fba7ca61dd6abd8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5dfc801fe9af3ed15d1be5aa440949fdf
SHA10b9e08f5f5692c2294dfd8145dc9b3a43dbd8389
SHA256f7fd80e2d6bf07a2f38b596dfe47444c8b5553b3d3d3a59f0d63b36fb7184e93
SHA512eabce7c3302c443a7a5589bc4b1c40fc263dc2ed8ffc6d78ffcff10c11828094788dd36182f2571506be069a3dce02c3409a0af7f66fb18412a9bf000bcef4cf
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06