Analysis
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max time kernel
146s -
max time network
151s -
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
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://calendar.google.com/calendar/event?action=RESPOND&eid=eW40ZXI3MG42azlyaDA5ZjM2ZTlscDN1cmMgZW1pbGUud2lydHpAcHQubHU&rst=3&tok=MjEjYWxzYWxhbTUwMDZAZ21haWwuY29tYmZiNjYyODQ1NjNkOGNkNTk1MzJmNGQxY2I2OTY2ZGMzMDllNGU0Mg&ctz=Asia/Kolkata&hl=ar&es=0
Resource
win10v2004-20230220-en
General
Malware Config
Signatures
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Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000675316f82fdac74aa8f3bd7995064a97000000000200000000001066000000010000200000004dc62833447a9fddc8fec6a02a6e989d75984fb5bcc1e5d57e2fc9500eae9a90000000000e80000000020000200000002c9343e1a3398977bde7b3e2f2c7740af95bc2af046e0af2c56f6ab3b5cc440420000000dd2b5bee08aa2605e2e8cef41eb737e25bc39e10e9d874eedcaf61977c24119a400000002c2e56d19482766e8e9fe9a5512295397751b56d846faa4ddb5b9d6250306bad7bd801525fe6e9397571fc03f8a97650a7a22a3638742b531d233af25e79ceb1 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0378df3065bd901 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000675316f82fdac74aa8f3bd7995064a9700000000020000000000106600000001000020000000a80ceff6b2cff677bc052b017c0186a86318c59f2fb468fac6b1c92582319759000000000e80000000020000200000009774721aa550eefc0122ad282c7b317ddc2c10c00b285cb33e4340a50db9db9720000000674d200ae175ac8010db99a9ca56e849c0f9b841d6d052c2f3481d5965044c2f40000000e9c113a4cb3e576c3c1fd0c6bf920241ea170a8896a9c32089049b1d3f80d12aa9989cfa858c75913b6ae1d0a139310c9db0dd2ce0df0ca3c80cb623289169fc iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4026438602" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31021830" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1B1426E0-C6FA-11ED-ABF7-5603A1288413} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31021830" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 802ca5f3065bd901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "386066277" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4026438602" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31021830" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4039253113" IEXPLORE.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 4292 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 4292 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 4292 iexplore.exe 4292 iexplore.exe 1228 IEXPLORE.EXE 1228 IEXPLORE.EXE 1228 IEXPLORE.EXE 1228 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
iexplore.exedescription pid process target process PID 4292 wrote to memory of 1228 4292 iexplore.exe IEXPLORE.EXE PID 4292 wrote to memory of 1228 4292 iexplore.exe IEXPLORE.EXE PID 4292 wrote to memory of 1228 4292 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=3&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:4292 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4292 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1228
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
5KB
MD5a0c264c71b281f6e8d8d96ffb6016792
SHA1684640c37128852779ee25ca4bcf5e4df69f9fab
SHA256c11d5006ca44d949e1bfc3e8f819846d7e2010b303686bb4ae3559bf6dfa81db
SHA512e6bd50338b665d2d74462302e06fed7ec24576d60bf68733b027e5c90bbe6cea591ccaee229114a96a347e8b594bc62bebd7b377ad667d458884d9d86517d94c
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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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