Analysis
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max time kernel
144s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
20-03-2023 07:34
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://calendar.google.com/calendar/event?action=RESPOND&eid=eW40ZXI3MG42azlyaDA5ZjM2ZTlscDN1cmMgZW1pbGUud2lydHpAcHQubHU&rst=2&tok=MjEjYWxzYWxhbTUwMDZAZ21haWwuY29tYmZiNjYyODQ1NjNkOGNkNTk1MzJmNGQxY2I2OTY2ZGMzMDllNGU0Mg&ctz=Asia/Kolkata&hl=ar&es=0
Resource
win10v2004-20230220-en
General
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Target
https://calendar.google.com/calendar/event?action=RESPOND&eid=eW40ZXI3MG42azlyaDA5ZjM2ZTlscDN1cmMgZW1pbGUud2lydHpAcHQubHU&rst=2&tok=MjEjYWxzYWxhbTUwMDZAZ21haWwuY29tYmZiNjYyODQ1NjNkOGNkNTk1MzJmNGQxY2I2OTY2ZGMzMDllNGU0Mg&ctz=Asia/Kolkata&hl=ar&es=0
Malware Config
Signatures
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Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4094839122" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1CED0C1C-C6FA-11ED-BDA1-5603A1288413} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31021830" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31021830" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d06592fa065bd901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4059212521" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4059212521" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000eb827cf93ddd146af8365c0e3ca130200000000020000000000106600000001000020000000871e91cca41fcc709a0618f970499789ff71a0209f6e41b205c20c7495d9168f000000000e8000000002000020000000a3ed8f83e0c93da89c579d72dacb18b6e679c8a569947d7573a8e58824df63c520000000c73c91124d4e85806d6e506a56b11f8c220c969840aca5a94c8b4caefb1b60ed400000002f72770bc9499acf39e9ce31bfa25be76e99916b6eb1b96b54a652d5d66d06f26eb1aa5d6f10a1ddbe4d1b241965af0912b4e8ea78d4472cfa31b27edebfe0e6 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "386066283" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10b675fa065bd901 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31021830" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000eb827cf93ddd146af8365c0e3ca1302000000000200000000001066000000010000200000008a3f24f68366c6b8d7a66a019fab8d67419c16b8dae9570d99f19e4628d97292000000000e800000000200002000000050637a1068c70cf02484027bc4e9ee59b664fa9931052eb972744a1852196c4520000000927330dc00125884569e5ff4a527d79991af3653ed4ca3a2acce71e579b3dccf40000000c6469e26f12ce3ed9b8be900fe7ad3194eff86a5bc2a3e2e77663d93c74c0b61d7c0fa3e41213479718215033bcdecc5094ed6408d02d2b33c1c2d78e7086d89 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 2384 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 2384 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 2384 iexplore.exe 2384 iexplore.exe 5040 IEXPLORE.EXE 5040 IEXPLORE.EXE 5040 IEXPLORE.EXE 5040 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
iexplore.exedescription pid process target process PID 2384 wrote to memory of 5040 2384 iexplore.exe IEXPLORE.EXE PID 2384 wrote to memory of 5040 2384 iexplore.exe IEXPLORE.EXE PID 2384 wrote to memory of 5040 2384 iexplore.exe IEXPLORE.EXE
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://calendar.google.com/calendar/event?action=RESPOND&eid=eW40ZXI3MG42azlyaDA5ZjM2ZTlscDN1cmMgZW1pbGUud2lydHpAcHQubHU&rst=2&tok=MjEjYWxzYWxhbTUwMDZAZ21haWwuY29tYmZiNjYyODQ1NjNkOGNkNTk1MzJmNGQxY2I2OTY2ZGMzMDllNGU0Mg&ctz=Asia/Kolkata&hl=ar&es=01⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2384 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5040
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
5KB
MD5709c95d27aa8e0950a44a92df197fd59
SHA167324cbc31aebc0a6c22e76cd4d27746450267a5
SHA25684207ff56b6cd059beef165a7e7f5e895fe71b2af1fb5854551d04e24349a613
SHA512285ecee772d14c66e4b6829a85accf02ee04177493057ffea19444390d8dec0bf5ace24e78534cffa5b01ea6b6edeb7abeb3e8bb68b8a57f0d6ce1715e8db9e9
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Filesize
49KB
MD554e51056211dda674100cc5b323a58ad
SHA126dc5034cb6c7f3bbe061edd37c7fc6006cb835b
SHA2565971b095cff574a66d35ada016d4c077c86e2dea62e9c0f14cf7c94b258619de
SHA512e305d190287c28ca0cc2e45b909a304194175bb08351ad3f22825b1d632b1a217fb4b90dfd395637932307a8e0cc01da2f47831fa4eda91a18e49efe6685b74b
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Filesize
5KB
MD5f3418a443e7d841097c714d69ec4bcb8
SHA149263695f6b0cdd72f45cf1b775e660fdc36c606
SHA2566da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770
SHA51282d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563
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Filesize
5KB
MD5f3418a443e7d841097c714d69ec4bcb8
SHA149263695f6b0cdd72f45cf1b775e660fdc36c606
SHA2566da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770
SHA51282d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee