Analysis
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max time kernel
143s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
26/12/2023, 02:00
Static task
static1
Behavioral task
behavioral1
Sample
4b27a67233e4be29ef4752c11b6a9204.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4b27a67233e4be29ef4752c11b6a9204.html
Resource
win10v2004-20231222-en
General
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Target
4b27a67233e4be29ef4752c11b6a9204.html
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Size
142KB
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MD5
4b27a67233e4be29ef4752c11b6a9204
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SHA1
89f3b0ad594beeda05c7744da53f323f35e49b9c
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SHA256
99516b988c53223ecef9e592c977407045afe52f43a89b07f3cbb881c98d90fc
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SHA512
c702f37c29e10156a3bb497606d84b6f9ee585c4b292b97337f8c29dc1c6e38882740cf7e053478ea1b929d2d2e83069460e65e12778cb3dcfa76eb29d243570
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SSDEEP
3072:wRdn18QAE82EcTml8zXCN7mkLTn0GTZvbx3tPb:eo2EoXCN7mkH
Malware Config
Signatures
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409810403" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000566b58630fb3a044b91770fce5e9b2d60000000002000000000010660000000100002000000039af355e743d0ff305a1a09283bae53122a0ad078e4e011640db85a8281659b6000000000e80000000020000200000004d3aef79b9224e880835d2054c4a3f4ae5bf7de25521e17e14b0026e8539310020000000169ecc9d31bbd11ba5317542e2a873bef60807130a0182c44f9664ea8345dadd4000000009c372894ae0d7b442ad93391e3fbc56b2e5db621196b7d9c0e1c8b46c3cac14d2093e982c2b38c1c95bba83101f11de475a6f643bab57ff50489d5fcace2d29 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 603db2c57638da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{ED301241-A469-11EE-9A90-DECE4B73D784} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1268 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1268 iexplore.exe 1268 iexplore.exe 2264 IEXPLORE.EXE 2264 IEXPLORE.EXE 2264 IEXPLORE.EXE 2264 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1268 wrote to memory of 2264 1268 iexplore.exe 16 PID 1268 wrote to memory of 2264 1268 iexplore.exe 16 PID 1268 wrote to memory of 2264 1268 iexplore.exe 16 PID 1268 wrote to memory of 2264 1268 iexplore.exe 16
Processes
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1268 CREDAT:275457 /prefetch:21⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2264
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\4b27a67233e4be29ef4752c11b6a9204.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268
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\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize1KB
MD5700218cb83cbf9fafda92b29f06b661c
SHA13e7c58a54aea6ca36ab392ba20b838925c5f5d43
SHA256c3a4af835391a875d6150a5c01461dab0e18853bbf59d6ad44b3cba65aa293e6
SHA5122a7f56ed5b0c2f27e91854147a3d0fce1e33fb7b39dcd864603840950f5b7594972f9840db9533d26fcc941ad2da93d67b00a8e0f6fb9fc59061b3b1924e638b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_A7725538C46DE2D0088EE44974E2CEBA
Filesize724B
MD5ac89a852c2aaa3d389b2d2dd312ad367
SHA18f421dd6493c61dbda6b839e2debb7b50a20c930
SHA2560b720e19270c672f9b6e0ec40b468ac49376807de08a814573fe038779534f45
SHA512c6a88f33688cc0c287f04005e07d5b5e4a8721d204aa429f93ade2a56aeb86e05d89a8f7a44c1e93359a185a4c5f418240c6cdbc5a21314226681c744cf37f36