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Analysis
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max time kernel
70s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15/06/2023, 12:13
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://www.icloud.com/calendar/eventreply/
Resource
win10v2004-20230220-en
General
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Target
http://www.icloud.com/calendar/eventreply/
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 3804 4180 WerFault.exe 84 -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0c374d3829fd901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3714061229" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{082EF508-0B76-11EE-B7D7-6A8031F758F8} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\icloud.com IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31039362" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\icloud.com\NumberOfSubdomains = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3704215113" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31039362" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3812966232" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31039362" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3704215113" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000a8aa7249ed9eec499ab348db8d1dac5200000000020000000000106600000001000020000000ef86dbf8ef115660ef36b5911fed5691e08bc9c6b8a754bd684c910599585150000000000e8000000002000020000000926a61073bccf39e594a1c36eb9e3761957be42eca34dfe02f1133ea7b2e6e88200000007ef087322e2b653702e99bb0997be2dcb06e2fdc34ed2c0a78dee1e70f854a1740000000e525c4a6de406898c2c908a1e302266cb81ffcde31c291fd914189be4af7b0c613fb0292b4ad2ac451b0e8f3faaf064c5eda5fc8162e32daade8dfcd5276b65b iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\DOMStorage\icloud.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31039362" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "393596182" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2796 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2796 iexplore.exe 2796 iexplore.exe 4972 IEXPLORE.EXE 4972 IEXPLORE.EXE 3984 IEXPLORE.EXE 3984 IEXPLORE.EXE 3984 IEXPLORE.EXE 3984 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2796 wrote to memory of 4972 2796 iexplore.exe 83 PID 2796 wrote to memory of 4972 2796 iexplore.exe 83 PID 2796 wrote to memory of 4972 2796 iexplore.exe 83 PID 2796 wrote to memory of 3984 2796 iexplore.exe 88 PID 2796 wrote to memory of 3984 2796 iexplore.exe 88 PID 2796 wrote to memory of 3984 2796 iexplore.exe 88
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://www.icloud.com/calendar/eventreply/1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2796 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4972
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2796 CREDAT:17412 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3984
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 476 -p 4180 -ip 41801⤵PID:5056
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4180 -s 17641⤵
- Program crash
PID:3804
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\2A7611428D62805A3E4E5BC4103D82E4_93980168F338F037DAF9798B595DCB15
Filesize471B
MD58ca343177f16bd519392afb8228fc60c
SHA1f909ef9dc951a54e51c8384c3ff091bd67ce67b0
SHA2566e52962d750bd26300a7d1003c66c0fe7f1b175ef380c370cfba4a52939c83c1
SHA512e145c0cc65e8cf80f5c0ca3912ea603d4c3a8f7e96f0b6eb2f1e7a6b1b2079a907f1b70ab2cc4c1c4c662e2e82a59ee81150847f204ea90732eb5ef30f422185
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD582b6e24e9d7fe90d647b5b81389401b3
SHA151f3af35027bc77cf6912e6dd3d6cc3289c19c55
SHA2563483fda8fbc0fa1d77780c1c46e372c3bc834a45b19d149d0dbc8c2fba26322d
SHA5123454b31c7111bdc0cf6ec133ef1dd6755abf0b006f77341b904fbb8ad25a81b548accc510f1590c2a3955f5bf86f8b023404e1acb9d2b028bb29067848936f7d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\2A7611428D62805A3E4E5BC4103D82E4_93980168F338F037DAF9798B595DCB15
Filesize400B
MD5a29361d1e87d8af7623276a4c2fe6615
SHA1b8d87883688b9ee4ba45e82d87848fbd61ed068e
SHA2561760938bda8764f0a55bc35be36c65d0bf67c8076e0fdffa5329c9b47439659e
SHA512bf1da33bbe391441462e0a63906f8ba874791e672a2e6ff327082c045a2eaec80b9480f56c2b7cb06047547e343db81417178a049ce58bbb6d76c69d4d4738e5
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD599d8ebcb4d3b63065b039dd13edd63a5
SHA105b58a5e094cd899ba1bb6ce911d961259a3e5fd
SHA2565a5502fb85c678844c5cdaef03bcc71b923a1ecbcaa949788f7de5ea31765a67
SHA51277ecf70060036d52764ccfd1fa493dfeec4d4e5b911b435470ddf95422e684870336034d4ed5444a145f4e091122b48ed76c1d6ad3df5fbd92ca87c731a1d978
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Filesize
22KB
MD51bd7d37fe443e40c72d772f0d51a5b47
SHA17da1eac4747248dcde2c74b21320e3eae7f7fac4
SHA2563b4b699415f6a34915cc243e8700b24d38e3710786ebb4459719a174979018d0
SHA5123bade076b150bd0d3c0a8329004c024d23f24aee2d12e24fb19baf55cc06907d4458e5cab2e1a4c82d305b69baf99838bc463a96dec64cdeafb0dff75ed26e62
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Filesize
44KB
MD519ed21b0234a5d68a6e942b15e188640
SHA194388f559f64125c6402889f9544b7631b88d42d
SHA256dc3f7b51f2377282263634ec888ae4e5cf45bb5aeade14ce6fcbfa837d5818ca
SHA51297643958b7f2ad0a58254747cc9cdb8c76a5e1e1e14ba4ffa2aa47d0e2d25cfead1dae68b852d0dcb7d73227f242de17838194d631308bad1228f8ec84782c10
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Filesize
44KB
MD519ed21b0234a5d68a6e942b15e188640
SHA194388f559f64125c6402889f9544b7631b88d42d
SHA256dc3f7b51f2377282263634ec888ae4e5cf45bb5aeade14ce6fcbfa837d5818ca
SHA51297643958b7f2ad0a58254747cc9cdb8c76a5e1e1e14ba4ffa2aa47d0e2d25cfead1dae68b852d0dcb7d73227f242de17838194d631308bad1228f8ec84782c10
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Filesize
21KB
MD5310fd67d702063937e39c17b2060067f
SHA1503b0c1cd35674b8e58b6b35431f381f1417a1a5
SHA2562ee7ca9b189df54d7ccdd064d75d0143a8229bae9bdb69f37105e59f433c0a8b
SHA512d523f0caa326b7842cb2a0d13d95e2d4cf432fc7a6b12fa503b7175aa188a848c9aff631685bfa2d2d3609b7fcc6ab398fd9cc95ecae436ffa9ea2d55550e616
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Filesize
933KB
MD5b1f91c4f1755288b4b6e64f3c225779d
SHA18d10bf430becc51a74804a0a0c7d3f0a8a143924
SHA25683779b60494e90a59186b1917ad5aa668b89b13c34bb8497a1075a98611b4feb
SHA51201eedcb30d08ed77b8aa480525f38b154724af8a2706157468f28fcfa17e92c70e6af87788132c56532d18d293a12a9f81b860d39b253af16c85ff3a481754bb
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Filesize
417KB
MD5f4526364900ac34475c9c7cb6c1de5d8
SHA1eed11fa4ffe67211c4a6eb1d9f6d822d1f33bb18
SHA2568e97d734992d1081014f248a28fa40ad7639df4c6e7d934dd5c50921e3c85b95
SHA512df53d5b9d9df08380c0e8d5ce9f1bacd6880ac53ba2e6b04fea113e20be98e2d9b125c2c981b3a9d0a0abeedbe9d058cb9ac925993154a82ddd3372940df4fff
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Filesize
61KB
MD5ed51937ccbdb6d696cfa6801ae0fddee
SHA17f50447b103558b41a0783b9314fb37e1bab5712
SHA256837aa5e47ae40dbb471dbb56d9d3c817ce8ffbddb1aae20f3343c573febcabe1
SHA51262a6f5b12e90ff22fab0829c394b222429698e492299d81074608c4fda6ff7c64ff9d776892621d318aa765ae33e70965261d1d7acb43308262d1d7059c0f48b
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Filesize
1KB
MD5dbfb39700c2ae4be64e11f56f67b8800
SHA1594a44bafbe3c796dcd000c8a8a6ebbdea553f6b
SHA256b36e10199ae62e788fab5e154b2694409745e146f026219436b71d5bca185c69
SHA512b22ae2a3127c972cd9249af89759c14b8d36e76a41b1d556be896e51f8c16deb22cc612ab02f92c200842269cbb2ee90f78ebdfe683a67adcf793c5bd7ca4a74
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Filesize
21KB
MD538cfdb248210ffd12a6e774119609de8
SHA1d10a44e5d06c8a95e4c61ae770cc8f0c8d372253
SHA2565493c61cf725cf3a1d63cd9d07de75b0d6faa5564e772f7d0a6074f341442938
SHA5127d0ae6125e5c10d52847ac10e5200f2aaa84932ea5d10af54440c0abc27af19285cb760f0e8dad0bac4371e4b384ffaddcf235f9f1ba29e6dc41ef29deac4fba
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Filesize
21KB
MD538cfdb248210ffd12a6e774119609de8
SHA1d10a44e5d06c8a95e4c61ae770cc8f0c8d372253
SHA2565493c61cf725cf3a1d63cd9d07de75b0d6faa5564e772f7d0a6074f341442938
SHA5127d0ae6125e5c10d52847ac10e5200f2aaa84932ea5d10af54440c0abc27af19285cb760f0e8dad0bac4371e4b384ffaddcf235f9f1ba29e6dc41ef29deac4fba
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee