Analysis
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max time kernel
36s -
max time network
40s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/01/2023, 19:20
Static task
static1
Behavioral task
behavioral1
Sample
1YT-riDoKTNG2KijZH-k0QqdGwObP-22k.html
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
1YT-riDoKTNG2KijZH-k0QqdGwObP-22k.html
Resource
win10v2004-20220812-en
General
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Target
1YT-riDoKTNG2KijZH-k0QqdGwObP-22k.html
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Size
277KB
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MD5
5e76e3f18830c670bc9d6858c87d47f0
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SHA1
77b8aea7c93f5ad6fd3837ac931e871dd2cd7549
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SHA256
cd3406e6dd215a49231490a1fc97dc15d1972d0271d6becee7106691d14c64bf
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SHA512
15dacccad189549f7d2ba0c53c4f93acabff9346039eb642c8bd61fc24be393cccb2814e6fb20d21a9706b5d6c90e003df426b5a5383aec35c5902ce80fd4913
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SSDEEP
3072:usKnWFDnDBZFrYaA3E2d1GvhLBdna5c5m5f5ZL58nusq3MHDXvDhWpT0fT:QW3ZqaARGZBUGktrLynusq3MhIoT
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1155370229" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31008250" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1147236111" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6FC373EC-91ED-11ED-B696-E23A5D90AA50} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31008250" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31008250" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1147236111" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4856 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4856 iexplore.exe 4856 iexplore.exe 1620 IEXPLORE.EXE 1620 IEXPLORE.EXE 1620 IEXPLORE.EXE 1620 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4856 wrote to memory of 1620 4856 iexplore.exe 81 PID 4856 wrote to memory of 1620 4856 iexplore.exe 81 PID 4856 wrote to memory of 1620 4856 iexplore.exe 81
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\1YT-riDoKTNG2KijZH-k0QqdGwObP-22k.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4856 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1620
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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\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD503c43ce055f8989a6508481c8acb6608
SHA13dc33276158435396c4272531a62707a18a4a875
SHA2561e977bad400e43c86966889b895bbf3b00b929b4bf497c791ad0ed2a0749fd3e
SHA512fb69a674b2c2aa697a7c1fc94490298949831762d9d9612266314727ea85f84035df089f62e1aec24474caa1fc52fc94ea704d161335d37c1cf746c72af1f8ab
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize434B
MD50270e445e38f8f8118def90413ffb340
SHA1c771fa39f6429922905b82bf90fe06a68cdbb2b9
SHA256b76dc0a07575499ae78ceb4b333ccd93979c44479e8f6dcfe4499c5888b5917d
SHA512534e157dcccfa20372ad5849e7bc0fcbd97ef03f1638d66ef5ff14c6ba3ac8fe87ddfb3120b6850b28e8ba75f301c5b691e49e030f186cb0c9c329c06bb74b6b