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Analysis
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max time kernel
140s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
04/01/2024, 00:46
Static task
static1
Behavioral task
behavioral1
Sample
3f783d9ae5f2cf8e0f72a183903c418b.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3f783d9ae5f2cf8e0f72a183903c418b.html
Resource
win10v2004-20231215-en
General
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Target
3f783d9ae5f2cf8e0f72a183903c418b.html
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Size
34KB
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MD5
3f783d9ae5f2cf8e0f72a183903c418b
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SHA1
29d009e3578bfddaa16019eef3d75a1a101fefd7
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SHA256
c86bd1ffe9224db455684724885e92d24b0894533f96810c3a46834337f33dcb
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SHA512
4f4d8ab16223ec8b6a5b75e30220ba7a0e48356314dfbedbc0c14ec901db3aab824cc57fc953e48c5856f32b9c7049b2b9618cc2602f71053f48e61f5464a2f3
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SSDEEP
768:IzdVxIgErIhbUkShoNkbr3zKfKjPao0PxDHJo:IzdVxI/r4bUBhoN43IKj857Jo
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CED37C17-AA9A-11EE-BB4F-FEBFAF1864CB} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31080103" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2754781917" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411094214" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c4e92002c4a416439bca1d31c27b8405000000000200000000001066000000010000200000002ebdfc6f3613605817157c3968645637f48d7377a7916cb8b0f75333f18a7285000000000e8000000002000020000000893675446cfff6baafcbca10abf9a393223176b159623c36097e07e17b01ac1c200000007cc7e0fcda830b7a35e4031185dee42243c3f5068d03ffa82f568ef16d8bd65440000000d8a9f0753cb2a812d8ed5cbeea06080793aaf5359682dac2cec41fbd7983a33bf392b8577ab6363fa92a1cd9e1b7a936ac42f132e9a2d10dcb12855f3cb6baa6 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 7000ffaaa73eda01 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b016b0ada73eda01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2798219630" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2754781917" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c4e92002c4a416439bca1d31c27b84050000000002000000000010660000000100002000000071826713e7e2f8d318d3e10249f2011d647c0f3fecb3d000fb00250d84a1e6ab000000000e8000000002000020000000f4a7795996b48f9fd6778977753c8b671afa250124ddeaef93fb65024a6a592b20000000d51e2410739c4d545907df9a7ec999543120a1a3099e954ce797792d8c134b3a4000000041ded6d59c9bc60939c2bbccfef40a0631716d03329fdaafe41feadf55de64a22b009e1b3065d42c88ed00e7755ae4cba1de5bea30987c781aa3f1fe9fff3143 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31080103" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31080103" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4284 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4284 iexplore.exe 4284 iexplore.exe 3952 IEXPLORE.EXE 3952 IEXPLORE.EXE 3952 IEXPLORE.EXE 3952 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4284 wrote to memory of 3952 4284 iexplore.exe 88 PID 4284 wrote to memory of 3952 4284 iexplore.exe 88 PID 4284 wrote to memory of 3952 4284 iexplore.exe 88
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\3f783d9ae5f2cf8e0f72a183903c418b.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4284 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3952
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee