Analysis
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max time kernel
133s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
03-02-2024 03:10
Static task
static1
Behavioral task
behavioral1
Sample
8b3e58ef14de167afd4488d453312cbd.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8b3e58ef14de167afd4488d453312cbd.html
Resource
win10v2004-20231215-en
General
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Target
8b3e58ef14de167afd4488d453312cbd.html
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Size
8KB
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MD5
8b3e58ef14de167afd4488d453312cbd
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SHA1
5265aefdb02255618efe0bb3b6d591a9f94ff9c2
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SHA256
e1f992cc644fe626a9ef8a20964aea31405387cd3253d2128741035a52dee836
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SHA512
26c498cf9bea77159693271ac621dc566e8ef01f27d065b67c1f8ce570b6960ef32ac29c79a732ea4269f10c0559fa230047ccde074fc5baee5192e2ed38def0
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SSDEEP
96:uzVs+ux7SrXLLY1k9o84d12ef7CSTUkzf3DlSjoSiWUR0eJTnacEZ7ru7f:csz7SDAYS/TS8SZtb76f
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2594978427" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU 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\LastCheckForUpdateLowDateTime = "2661853897" 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\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" 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\LastCheckForUpdateLowDateTime = "2594978427" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086158" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ 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 (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 (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\VersionManager iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d4d347bde384c849be64bb2f1c358fef0000000002000000000010660000000100002000000083656543bd97de95e93d48a57c035671f2c6c9539dcddcd5068c0fcdd4b24d60000000000e800000000200002000000043b18a9ebf282b1b5c9c8ff4f9a026bedda484f4c354ef9007cdec4688d28b4c200000007b9c26df7b59096890051ef41ff0414c75ccc868af0e28d6668b8309d3048adc40000000667259555ba36be571ba76453d02f7096f8b6e7f3271d889f915db739f5e87d2f5fd611e069f0d8fcc7a39281be3facdbef485c105825b11b5a78052629aba43 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" 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 (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d4d347bde384c849be64bb2f1c358fef000000000200000000001066000000010000200000007c94e321b6ea6fc0506f6aec927b184c3d078a207d9caaf68dad864835bcacec000000000e8000000002000020000000358d8fd55b743e8993ddaa93b41eea8442d70aa61cae130e78f79b40e71671a8200000000703fed727d4211453be58b4906415b1040244790db43becaa2f235746a28b8d40000000faea0062472b5155c7bbcc64acc73ac2192cc9154e4e26ce2e0edf38d7a11adf6914953ae6460239c28652f6d59c241d2e42d3c146f398b277ebb6ac52a91675 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\DomainSuggestion 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\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086158" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C5E0EFD4-C241-11EE-B6AD-CE055DF4442A} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31086158" 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\LastProcessed = 307d11a74e56da01 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 Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 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\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70aff9a64e56da01 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 = "413694806" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3904 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3904 iexplore.exe 3904 iexplore.exe 1468 IEXPLORE.EXE 1468 IEXPLORE.EXE 1468 IEXPLORE.EXE 1468 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3904 wrote to memory of 1468 3904 iexplore.exe 84 PID 3904 wrote to memory of 1468 3904 iexplore.exe 84 PID 3904 wrote to memory of 1468 3904 iexplore.exe 84
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\8b3e58ef14de167afd4488d453312cbd.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3904 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1468
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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
MD5cb99b6d5040641081530ef8f6049f1aa
SHA13fa9e3148cbee0e561da3787919043483ee5e5c0
SHA2563e1607026f332ae19539f0621c8b18c820245d196febf8bf258253667ebc94d8
SHA51213cdc5995fa4741d474c00491ea55b26101a88ee3495327950249e8bef1e16de29f46d0c1ffef3682eac0e041f0b06545d51ef8152a33606f0e13fe35e6a1d83
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD54e8191bff958604712d434f5ffedc9b5
SHA14cd662cbdd8477e94662b6d3fd3f16378113b5ab
SHA256ab60e64c2a389e343bb658cbec0e98804edc7f23c582b0d6ecf712a1b7558cd9
SHA512d325306316e9877f64d156cd8e870e4a14121ba6b8044b58bac8f917297e356fc665c11bda6d2b44ed7e0871e72e33a69ff55c82fc783f360ef38b7ddb7fdeb9
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee