Analysis
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max time kernel
91s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
14-01-2024 13:19
Static task
static1
Behavioral task
behavioral1
Sample
5b55bbff6aafc33c46b9ffe73c01e58c.html
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
5b55bbff6aafc33c46b9ffe73c01e58c.html
Resource
win10v2004-20231215-en
General
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Target
5b55bbff6aafc33c46b9ffe73c01e58c.html
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Size
10KB
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MD5
5b55bbff6aafc33c46b9ffe73c01e58c
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SHA1
2506793b5d2ea318d9441c6305ac383237deb640
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SHA256
e8e9bfc75c357bd8009091e026e0a6d57bc370eeb4966469d13311131e43cc9a
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SHA512
ed3668358f564deff99467fc05795b2efa82604ee8faf22f70127187a9d4fe99125bc37a3ba4a56e17c30d8a51768ef49acf62227a5ed5d18737b8f447d3bddf
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SSDEEP
96:uzVs+ux7BxLLY1k9o84d12ef7CSTUHGT/k8GsHXp6wWbUujrlVHcEZ7ru7f:csz7BxAYS/ij+1yUuvPHb76f
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d4d347bde384c849be64bb2f1c358fef000000000200000000001066000000010000200000004ffbdb347dbc5fb10fa7e055ad4285a02208ca0e9ea150a5384700b9c09c8fb6000000000e80000000020000200000007b51d2a1f24976d17af2ddc9bc141bff6c6a2a9f752441060fc52bec8708340b200000006de3cb709848079d03b10d85473a60c57acfab46a250f4ff2ca979454030250540000000a9b5866a1df7624fec5901190794f76bd12cfdd0948a77db19b0663c2ba45a60b4839b44b1299ba8ddc68a5f133024260b69618fe601d87307850b83acf61195 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "412003369" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 5013d373ec46da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1768529429" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d006a173ec46da01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31082220" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1884936380" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31082220" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1768529429" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d4d347bde384c849be64bb2f1c358fef00000000020000000000106600000001000020000000c1500af514cd9b3e4cfb7dd9ee12a7755479c8ada24ab645a7a03a0ecec62744000000000e80000000020000200000007de098e231505ebbfb83a0e376bdf5741923862cf86958d13ca562431d03046f2000000022b39121aa663f799b825721bfae8f388133dbc399fdfae0f232e70302e8b1f240000000e0ff209ac4c0f1483b93c471667a1555ac9a9e2b31e4a507e5253e11e9beaa6689e8f537003ae3501bcffe020fe361f020c6e70d44fafaa0dce65ce85a253d37 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\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 (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31082220" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{94ACA4C5-B2DF-11EE-B6AD-52EF8B93895E} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2840 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2840 iexplore.exe 2840 iexplore.exe 1424 IEXPLORE.EXE 1424 IEXPLORE.EXE 1424 IEXPLORE.EXE 1424 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2840 wrote to memory of 1424 2840 iexplore.exe 88 PID 2840 wrote to memory of 1424 2840 iexplore.exe 88 PID 2840 wrote to memory of 1424 2840 iexplore.exe 88
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\5b55bbff6aafc33c46b9ffe73c01e58c.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2840 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1424
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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
MD5efbd8a07fc0323406b87fe9482489647
SHA1a4ca4c45f3e746f5f6611c84890d03b32d937111
SHA256351bfa58fa50d54bdfba5c6a37c4f8f9c6a88b979e1379ec0b0900b4ef0e4e19
SHA512f6265b2220386ef317eabd2f073d362d4811260e87dc0d06057984ea12c39568fff99a485bd1f0f0a644e86df01d2697c679ca021d03b676b01875135316343f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD589b6a9ccfc16a33008f6bc99692d120e
SHA1f844485ac8969053f4e48b834941fccfcb8a8389
SHA256f6b93c67793581e20254284722f50c77bc7719405a41e413f867a11df40a5cf2
SHA512a61a9874a1b8f47d950da565ec5f414571ac030045eaa7bdb7b1d9da7ae6867945b33213067f9d3a451950c7ede344073bb34f7e32ba025ff4f8840d086a22fc
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee