Analysis
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max time kernel
100s -
max time network
132s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
15/03/2023, 21:35
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://80.66.75.36/a-valyw.exe
Resource
win10-20230220-en
General
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Target
http://80.66.75.36/a-valyw.exe
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000997a23a2ecd7164cbfc0800bd950d66200000000020000000000106600000001000020000000415fb32d6000f80510431a45545c0356aafa76dc494e0d4baebee9e10b108b9f000000000e80000000020000200000009e04ac1c7deb21c4840f0c35c5e62310a25b28c796f8806f04d0a66044c8f1632000000093a39257e238a75809492b67829ee63c6cf7378d3c308a89a0980cc471d3d2a1400000006e4cc9568ee3da8e52cbdc281d486568d67078c846234739790b41414fce940621365833efa65b640a59cbdc7d3099752b680fb464a8e853d8dbc8fb59513f62 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\User Preferences iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{0633EE93-D776-472f-A0FF-E1416B8B2E3A}" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTLogoURL = "http://go.microsoft.com/fwlink/?LinkID=403856&language={language}&scale={scalelevel}&contrast={contrast}" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\User Preferences\3DB9590C4C4C26C4CCBDD94ECAD790359708C3267B = 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 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTSuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&market={language}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IENTSS" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2521307252" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconURL = "http://www.bing.com/favicon.ico" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IESS02&market={language}" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2521307252" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\Version = "5" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\UpgradeTime = 43f289759c45d901 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconURLFallback = "http://www.bing.com/favicon.ico" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTURL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IENTSR" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C124F1D9-C381-11ED-A853-CEA1886769A9} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2554745405" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31020942" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31020942" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\User Preferences\2BB20B33B4171CDAAB6469225AE6A582ED33D7B488 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000997a23a2ecd7164cbfc0800bd950d66200000000020000000000106600000001000020000000d7e76a81929e64592f014edb4787bcd1bc27ca72696d5c009083427b3af3d7ac000000000e8000000002000020000000d5034f08788b6fa35d49ac2f5bf6ae80d9331d5b452a15398d84218d38e015581000000081c831ed2eae63bc2991556d72e099c940000000c31d835686a16d0f0b0244c031f10eb4fb142e1673fa7d00d9d36d02824a22cc7f970dc89105243435d7f9f4f33209c5029d24cc4f2536dab3d3d170b5098009 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IESR02" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz! iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\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 (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTLogoPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "385684735" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c063c5be8e57d901 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURLFallback = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IESS02&market={language}" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000997a23a2ecd7164cbfc0800bd950d66200000000020000000000106600000001000020000000103b20571d3e3412e49304beca9e3c8d71d95597b3f8b28638e174ef87b5fcb7000000000e800000000200002000000008056687eae2e83883f781eddb67192cb3b42d150b6aabd36ab1ffff550832e6200000005b41ef7df37059821820933241c793963830ffd23aeb7eab0b372587dfa4b1f1400000005cb86df9e681d9c7befe8d9b9f830452971a9f2dc5daf446398aa76d92829ba080adc8215fd271766fbb4774902633675261d8853dcac6776a15d1b8ca59050f iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTTopResultURL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IENTTR" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "385733321" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0dd82938e57d901 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31020942" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki iexplore.exe Key created \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/ iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2788 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2788 iexplore.exe 2788 iexplore.exe 4124 IEXPLORE.EXE 4124 IEXPLORE.EXE 4124 IEXPLORE.EXE 4124 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2788 wrote to memory of 4124 2788 iexplore.exe 66 PID 2788 wrote to memory of 4124 2788 iexplore.exe 66 PID 2788 wrote to memory of 4124 2788 iexplore.exe 66
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://80.66.75.36/a-valyw.exe1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2788 CREDAT:82945 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4124
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD595dd8987ec8ea85e178a3a360ee0ed33
SHA1de7f7ab4ad7d633fe01b38bcb06d6f02cfafb3b3
SHA2566f7a628906403929c013a1ec4fdb9c83fba9b87af91656f1abcc11c766b69d1c
SHA5125a30826fe61418560eaaaa0544e2230d5f8579110e03603e102cbca764fb26348c2548bb58b4d17ab86ee92936bc00f726e79bddd51ce1ab707193d2bcdbc812
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD57f3313fcc8cefcbbb00e28250b4cc3a8
SHA19c2245f7317171d78cd0b56f4b3b2eba9052a512
SHA256953a4cf15ea5ba7aba841541372f09fc79e51dd0391f68b2f6123039f70b2def
SHA512bd79b6eb820396fd1c945efeae9260d0b9424871364557852e7f216f1f26efe7d9871dd139b9891cb44c4438fcfbd894a80cf1e7301d8a945b1cf6bac2d69a2c
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C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
Filesize4KB
MD5da597791be3b6e732f0bc8b20e38ee62
SHA11125c45d285c360542027d7554a5c442288974de
SHA2565b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07
SHA512d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
244B
MD57586d56628c2bd0448abb9c79c1cde66
SHA1e43f0702835e426a80429d18aa5cda354cf8ff91
SHA256945d06ead4c9fd6507d7c36cce46c36b8e7f5e4cc9e1382a10209ec98de6d93b
SHA512fad0b986eef86733425dd23614f42274b7be5a71d31e547493a2b63b4ffd792a92052535703554731778e422fce03e65985532f18ed5448b02583e54b4f65188
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Filesize
615B
MD52ea264758f7012bd0d0a46c6133213b9
SHA17a2ca5f3d841111b7790828f9006adf6bb3a0050
SHA256eb98acf3b281ee26160afef10534eafe37fa7f52eaee7c0fd2f94fdb3b2e1e4a
SHA512ebebc6bb3cf7ad1b0cdff8701d5d2acece3bbc85a42ebadf0677b61a48c2b9c325e28aa5f105f483e082c338d492c88a5f1295575a7beeca4665a0edebc4c5b1