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Analysis
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max time kernel
144s -
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
03/04/2023, 21:29
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://time.cloudflare.com
Resource
win10v2004-20230220-en
General
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Target
http://time.cloudflare.com
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ 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 (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "387330465" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main 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\TabbedBrowsing\NewTabPage 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\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ 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\WindowsSearch\Version = "WS not running" 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 Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Main 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\DomainSuggestion\FileNames 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\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000675316f82fdac74aa8f3bd7995064a9700000000020000000000106600000001000020000000b64147e4b515651522c14b388aafd290544ae6ad93b8b817b9461329791ba3ac000000000e800000000200002000000036600cba78f056b708785c49d7557224ea0d8d9238c857956264479d95d747d7200000002fcd41796bb11a824060dae85bcb8fb3a84320a0c49bbeb27b3434c5265c0b2c400000002b8500f9ae0c2036a5528c4255660c5a1a92c29a54196933813e4e478660a9816237d4858d29a900121fb6b52103c30e59044ff72e526906673e10162b5141e8 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40483e628666d901 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000675316f82fdac74aa8f3bd7995064a9700000000020000000000106600000001000020000000349f6c9e6e5b4dd17b6d04844afbc1388e15aec78989c9a3c49f5a6ec282db3d000000000e8000000002000020000000ee2b3c54b697b87b1b5de9ed85623ba373425d11449dbada1800a606e6810c212000000006db5f01c96502383a62e272464683f709563c92aa197f04ee04c833abb35753400000005f6e54184a68fac293ff4caa3775378c1e429675a6a0b60101c50eb7ea1392c5d3eb38ad39726e72546c67c14f29ac9687400bbafe035ad085068ac048c23cca iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8184EF46-D279-11ED-ABF7-5603A1288413} = "0" 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\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40d2a4628666d901 iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4424 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4424 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4424 iexplore.exe 4424 iexplore.exe 2116 IEXPLORE.EXE 2116 IEXPLORE.EXE 2116 IEXPLORE.EXE 2116 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4424 wrote to memory of 2116 4424 iexplore.exe 85 PID 4424 wrote to memory of 2116 4424 iexplore.exe 85 PID 4424 wrote to memory of 2116 4424 iexplore.exe 85
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://time.cloudflare.com1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4424 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2116
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
7KB
MD5dd50a5d6139e6d8b6992797ccd04818a
SHA17350c9c059d598c83af220ca6d30f1b13540cfa0
SHA256b117851f48442b165516bc5b29d58ba0efac8b73ea78bfa676d43be87d9d5df3
SHA512273265d2df03adf0284203a021f2f1f1d13d7b3e3154a7837d8112a27db591bda198f074ce9d2ca743c400a2c90b180b4f0be03fb950c8d342624a7590aab976
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\82CB34DD3343FE727DF8890D352E0D8F
Filesize232B
MD5f9b8193237c9d294924b9b69abf0b3df
SHA165ea369c1113ceba214cddfbffadaface989d181
SHA2565c3fe24ce8ebd26354e14f6c70c19775b9869ec9b7b25f918381a4e9a4602bd8
SHA5125ad4e05f1c0e0fa2fba797efabb171fb3407800974753c1c1745bf95a45b7921d29c9620978df2fd7e170208653bbe5ec31b9cdc655c471c66651abaa30e9a48
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee