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Analysis
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max time kernel
146s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
28/12/2023, 22:18
Static task
static1
Behavioral task
behavioral1
Sample
fc52181d75f2134c14757b84284824da.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
fc52181d75f2134c14757b84284824da.html
Resource
win10v2004-20231215-en
General
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Target
fc52181d75f2134c14757b84284824da.html
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Size
75KB
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MD5
fc52181d75f2134c14757b84284824da
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SHA1
b01a4e092fefcf24402bf0bbc99a4b785379e477
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SHA256
0fd8a85b7ecf892022cfd6430cd4cd32eb9ce4e3c2207c59c20d791a365eaaa3
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SHA512
43aa7f7beea56d6190946ef945f15f195dd33066853559df008c7a52023be5128ec25a68564511a77b9b21d2ed8b6dbbd6cc7f655482c859719e75aa296a8809
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SSDEEP
1536:qTupBkoTVvndR5odOhhVzZ4AkcAXc2vfIxetuuj:vpBkwdHodOhhVzZ4oh2Hrtuuj
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1618650221" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31080024" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8A0232D1-AA4B-11EE-9A4E-5A2E32B6DBC3} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1621932814" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1618650221" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31080024" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31080024" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411060178" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3736 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3736 iexplore.exe 3736 iexplore.exe 1348 IEXPLORE.EXE 1348 IEXPLORE.EXE 1348 IEXPLORE.EXE 1348 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3736 wrote to memory of 1348 3736 iexplore.exe 88 PID 3736 wrote to memory of 1348 3736 iexplore.exe 88 PID 3736 wrote to memory of 1348 3736 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\fc52181d75f2134c14757b84284824da.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3736 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1348
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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\Content\E87CE99F124623F95572A696C80EFCAF_9E9C5BD522DEAFF0AF9BF0B0877DDF33
Filesize472B
MD53c1d42922c24ef71d92e869457142f08
SHA106b87459c82e17060d74e943e18100c94d817a10
SHA25627e63779057e480dea344914fff64f3840c4b3cc98e0d53478699ad8eb738435
SHA512ebe9a0a70d71b01a2114e18d5b9ee77f7acfb145aa1b5136ee2a7624c10057961ddda78d4ffe7700f6096ba7206b9c740621e139523c05c6d9eda118a1198b23
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E87CE99F124623F95572A696C80EFCAF_9E9C5BD522DEAFF0AF9BF0B0877DDF33
Filesize406B
MD588805d997d8a7a3f432ccc917cf6ae68
SHA1f5c1742d048c4ec5fb4793966f55ee62e7e04c1d
SHA256f1173e2ad5e6efbb543cd2a70da5703dc31b433d58bdcd77553c6624937de8b0
SHA5129d11deda16c0ec7ac386d647604f61094883f84b6fb44b66c74e8b3a7adad1c93f838e67aa2c8b3605951e3da48b8960a520bafb4c3cc977c3b1ed5ff7190f33
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
64KB
MD5ee01651d160cfc55249d6011a3c45916
SHA179d6121df6575974ad21dafce33ec98e3f2f0a7f
SHA256639d75299973c7d3794eb7eb129e3b5a6139f9f521e1f14383abd0fd501219c9
SHA5128a39dfc1ff2c58ac106225976aafdaf7befc0a28903a0c65e2c272e1967c3336af2b477ec12604400bb8e16aecee6567c9cb9d157e3d54649e28b9b2f920432f