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Analysis
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max time kernel
135s -
max time network
213s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25/11/2022, 23:11
Static task
static1
Behavioral task
behavioral1
Sample
efa81fe0aed1fc3887bbe6a1a9ca0e1b453c8a43b5239f1d7a4cedd2aaa1e520.html
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
efa81fe0aed1fc3887bbe6a1a9ca0e1b453c8a43b5239f1d7a4cedd2aaa1e520.html
Resource
win10v2004-20221111-en
General
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Target
efa81fe0aed1fc3887bbe6a1a9ca0e1b453c8a43b5239f1d7a4cedd2aaa1e520.html
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Size
2KB
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MD5
85e8d3d24a2196fc6d24950cc562ec9f
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SHA1
3ac4d5d14dde1b35cc0af4c4a4f0e12647afbd6b
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SHA256
efa81fe0aed1fc3887bbe6a1a9ca0e1b453c8a43b5239f1d7a4cedd2aaa1e520
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SHA512
092e3113de7b08803e422879fec6bacb74fac30efe42829f4822dc01e5df8163218040113b92ba9884e22ac0781cc2674a9725ef7ca209e5fbd63c31f6683b24
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d78b9eb533eb0a4084de72efadceccf000000000020000000000106600000001000020000000fcd4824d2b2094c647af923dd6827c504863c965c53ff8fe45f932e51af38956000000000e80000000020000200000000deb8e5e9a52df708cad048ac75616bad1de390a23bd76a4cb3ceb2912cf9079200000001b5a4e2c2c83a53d46fe1f150f6738e4b320af1b214297ddc93d9604b0cb26864000000033aef6919287f44a48959b219431d7575be3900e7edae7b9cdc603dc1444d11262cf457006d65606ef21090a340d942f17d12e6caf702cf4dad5ad20949a56ec iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376224960" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0f2cd518501d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7B389411-6D78-11ED-AB20-4A12BD72B3C7} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1896 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1896 iexplore.exe 1896 iexplore.exe 1144 IEXPLORE.EXE 1144 IEXPLORE.EXE 1144 IEXPLORE.EXE 1144 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1896 wrote to memory of 1144 1896 iexplore.exe 28 PID 1896 wrote to memory of 1144 1896 iexplore.exe 28 PID 1896 wrote to memory of 1144 1896 iexplore.exe 28 PID 1896 wrote to memory of 1144 1896 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\efa81fe0aed1fc3887bbe6a1a9ca0e1b453c8a43b5239f1d7a4cedd2aaa1e520.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1896 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1896 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1144
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
608B
MD5e4c207965640433fcf42bb414ee12527
SHA160270c84054073653c86aeb05a826d8360b7a44d
SHA256f9aecf4cf8a0d6da3508f067ab31867dc3821189c1183c2ab550971d3bacadba
SHA512bb20f6951fc68831d22cd8be8f86b787887cd62500f7b5da34dc764edfbc69c44dab8ce21b3e6ed2cd7f372be7918e84f662e3237ea03c168aa2cda3eb111779