Analysis
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max time kernel
141s -
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
15/01/2024, 04:08
Static task
static1
Behavioral task
behavioral1
Sample
5c186711775a99ab685875cf71341e89.html
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
5c186711775a99ab685875cf71341e89.html
Resource
win10v2004-20231215-en
General
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Target
5c186711775a99ab685875cf71341e89.html
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Size
20KB
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MD5
5c186711775a99ab685875cf71341e89
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SHA1
c0e9cca79e2d310f9c1047e9dfb5dc0d65092b4f
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SHA256
c1177f59e43545c758ff28fd2f592537c4b7288180234a9ac7b4a411e3ee527a
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SHA512
ecd95036767ab34931acd1f304c793be399034190464a9d87aa579afd8457aa70afacc78a9ab1346ef0aad25b148dcdf8f971ab2e8669178d9133fb2121069d9
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SSDEEP
384:iA0byAevmyeUeIOe9V745ez8TcOAC1xYmSwSdDSeoge1YDSexQfTFeIezUA69:v09ereUeIOe9V7aez8gOAOYCSdGeFe1h
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31082344" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c47f1af20644814589e7a32def35942f000000000200000000001066000000010000200000001adc0cb34a7d694a140d850b09d281568852a6df134db0244010db385352f253000000000e80000000020000200000009528b258fcc6ba5a458dd7ff5cc8e805cbf8a942d2cf4ec77f2902ee4277c74820000000b702966933ad913b56584a82aac7428dce058f03e1a2de4dd09628a1893c816e40000000a050e0381979452680e2b3598798ba90b4fa78c6d24344fd7d3ca0cdd9dd51477fcbdfb729828fa8705895a9b822894eaa1a7d2b1949b3d427de4e5d1043f603 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "412056699" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2598582204" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31082344" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c47f1af20644814589e7a32def35942f00000000020000000000106600000001000020000000f0fa64ae1b1758c4703c7a36628f2350675f1252d06485b16fb4edbb15a3f208000000000e80000000020000200000008969f734b95d2c6c6935a1558d2e8dfc96190206c20366bac662732655e908fe2000000036f50693146a8402f1a0dc02a008ef1f9a39412d97942300bd597295a3cd3a0040000000257227bb865f4a489c20eae996adafd95911eb48f0dd23602ef8160ce4a5cc5d669d7d043995ae7cfcfcc997b7d04e79721d0ab3bbf4e0ab0274a3665cc96862 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 007c9fa36847da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C5CB8AD7-B35B-11EE-9A4E-4ECC77D3B663} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2587953039" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31082344" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2587953039" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20b38ea36847da01 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3920 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3920 iexplore.exe 3920 iexplore.exe 4548 IEXPLORE.EXE 4548 IEXPLORE.EXE 4548 IEXPLORE.EXE 4548 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3920 wrote to memory of 4548 3920 iexplore.exe 83 PID 3920 wrote to memory of 4548 3920 iexplore.exe 83 PID 3920 wrote to memory of 4548 3920 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\5c186711775a99ab685875cf71341e89.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3920 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4548
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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
MD59bc67098fdce1bff007f405dae972258
SHA15bc0f4374f44479c8923fdba3ca577b6815d4b2a
SHA2569169d9f67f190b0c35ea57ab336da65d61f341e81fc13dd553f03b2867eaeb54
SHA51276ed1b047af3f283c0c9da7facfd4694ca302ee2cc41767567aa5aaf32c0da9f031e9b0c2dbc7a0e0432ca940d56734698149c22a148677f25d6b0a3a38e0f8e
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee