Analysis
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max time kernel
0s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
11/01/2024, 00:42
Static task
static1
Behavioral task
behavioral1
Sample
521323dd54de1722388fa1a90ec5642c.html
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
521323dd54de1722388fa1a90ec5642c.html
Resource
win10v2004-20231215-en
General
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Target
521323dd54de1722388fa1a90ec5642c.html
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Size
3.5MB
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MD5
521323dd54de1722388fa1a90ec5642c
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SHA1
b8ab3e9ba0eea84fa53d4bb742587ed0b3677c5b
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SHA256
cee9600447de3168df80c38de077d0ce76540618752aa2e9824c1cd8125acb28
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SHA512
c35bec97d7134c927fdb19e20cb4dc1e7ea697c40068ca680b4ac6483ebd7722e805ee5ced7893e6d5493af1f4270c75428eb305fb85b781b002904f94f03a42
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SSDEEP
12288:oLZhBVKHfVfitmg11tmg1P16bf7axluxOT6Nf9:ovpjte4tT6N9
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4B386751-B01A-11EE-B5EE-F6E8909E8427} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2088 iexplore.exe 2088 iexplore.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2088 wrote to memory of 2944 2088 iexplore.exe 16 PID 2088 wrote to memory of 2944 2088 iexplore.exe 16 PID 2088 wrote to memory of 2944 2088 iexplore.exe 16 PID 2088 wrote to memory of 2944 2088 iexplore.exe 16
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\521323dd54de1722388fa1a90ec5642c.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2088 CREDAT:275457 /prefetch:22⤵PID:2944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
1KB
MD5a266bb7dcc38a562631361bbf61dd11b
SHA13b1efd3a66ea28b16697394703a72ca340a05bd5
SHA256df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
SHA5120da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD58724c719e9c59bffa2f2f0f733a43586
SHA1bc8af0def2e7127b2e5b8bd8ba757944a0764342
SHA25614a5b90a2cca573493fbdf79609f5d82a80aadd13b222fa4357e82ab7f3f1d45
SHA512bb5b092a9cd76bdc859f15c0722c72c625502bb69f903a8b96bf5c7d5e62bf4b5f0f76bae71df064e0750bca8a7231c3a4a189deb8eb031689b512955d1cbfca
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize242B
MD5ad81f60fabaa727f980f6e201b06a725
SHA16c4f88de35bb79122e38cf45a807d45045810467
SHA2560b56ded7c37d2bb46a87d2ba0f53305ab85f1240f52074d6fe73362e5242260d
SHA5126c6aa85551a7b2b05137e603a3077ff7a4e35f53b1edaf6bd44a3222e6bbae1d6eeb18453d3328ff036dc600db4c3fdb4ebed626a719bce8e940f614261c3393
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06