Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2024 03:47
Static task
static1
Behavioral task
behavioral1
Sample
8878cba34a102c35f12712cdb236580d.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8878cba34a102c35f12712cdb236580d.html
Resource
win10v2004-20231215-en
General
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Target
8878cba34a102c35f12712cdb236580d.html
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Size
31KB
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MD5
8878cba34a102c35f12712cdb236580d
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SHA1
c71b2f7317ce08b900e70223e5cd7b7ec9d81c4e
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SHA256
b22794dbf7ada02f2ac47c6c50aaa4efdc146e0be0a37935bef6a6c7a4a6ab65
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SHA512
74d6fe3466940f0bff5651bce40c6052180cd964b1b3c1d3c35d0a6e3bb3ee53416484b34d29f7f94bbb50ecd19d4cebfbe4b4ac289388275f5c566b935ed402
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SSDEEP
384:4hJITEu11hWNZxJC1byriNjWpFgic7zmSTxOaYYBwiv4etNvw9LbM:4hJITELNZbC1bNiazmSVOUneL4
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31085962" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2895719328" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085962" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000056c0f093da428f4099809f3dbcc1bfee000000000200000000001066000000010000200000007a1818f1e7242f7be589dccd28c8aa40870a488e8c94b87d64053be907094617000000000e80000000020000200000005948b242574aac6c238a885d4b3f1327d1711f9d194a59e37d2f9902383ed9cd200000007c35f2143948e8d229562b898cdfda07b715e3227d2b90dd70b9b2ad3d6177a540000000b7775e97999f1bbc77da236e5933831e4c3c88fa0888f199d3b31c9e9809f6944056c5a1b59669f86c0ef9a8e3bf123d46b74c315fef8d5917f2156c04a4cfa3 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000056c0f093da428f4099809f3dbcc1bfee0000000002000000000010660000000100002000000037d4495e1d110a97055d4b770d6a71e7564ee08930a95b7d2aceb7d4381e665e000000000e80000000020000200000001a6935d0a09bbd9ed87610bdf0a4bab6f39a23a7b9bdf0ddf13988a6df2ebaa320000000a75c9a88b509a7da3476b08375a1d77ed45ff12498e1b043f2a493281606de87400000002a7c098a707edfc2d008b1db8b978de9e27ea43b2c01f7c293554409b71120adb3d52214161479e42c7c161f5cee7d59dae7f3bc732aada81169be6e7d5bf434 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085962" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413610649" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D833D5DA-C17D-11EE-9BE3-4643CEF3E9DE} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 3034dabe8a55da01 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2895719328" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f001f2be8a55da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2906812626" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 964 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 964 iexplore.exe 964 iexplore.exe 4388 IEXPLORE.EXE 4388 IEXPLORE.EXE 4388 IEXPLORE.EXE 4388 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 964 wrote to memory of 4388 964 iexplore.exe 83 PID 964 wrote to memory of 4388 964 iexplore.exe 83 PID 964 wrote to memory of 4388 964 iexplore.exe 83
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\8878cba34a102c35f12712cdb236580d.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:964 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4388
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5164c747ec05b351867ac47fb8ac89dcb
SHA1d814dbedc7356af4d274b907692c28baea48dba0
SHA256e675e63c991701c36625eb6ef0d2e009c743f7a6843192f74bd10ac641503181
SHA512895663660c26f74561154925fd7ef4c2ee7e8fe0ad25985f7ed51ceadb476d576450c8c57aa8e8ea350be398b491f0bb5fe54744d7d1e625e4ab97a93b375643
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5419ccddfb242d63900956eba1b6905e9
SHA18c72a55236628f8ebd5e3f68c7e89ef5bb9886b1
SHA256962d90d4e8b9c2a3e7e24ebf3ddd7d7359c1fcf4b6f44404a7efd62bc019a07b
SHA51265c92cc08d94bed8024ea78e54cacade98a8ecd2593f2bd4d31af8faad4f20592e3fae9308a8eab7b64be3424bcd8c1794661ff9e10b762e0018929e3893c95c
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee