Analysis
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max time kernel
175s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
10/02/2023, 22:58
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http:///root/sample/a8411812a63b4c9f2070f0031eb5203e11a7544e
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
http:///root/sample/a8411812a63b4c9f2070f0031eb5203e11a7544e
Resource
win10v2004-20220812-en
General
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Target
http:///root/sample/a8411812a63b4c9f2070f0031eb5203e11a7544e
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31014412" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003106e36e7a62f043a172a582566123df000000000200000000001066000000010000200000009bcd2b47119fb8c4e5adf037bf4b775ea908303940fe884238cbff187ac8f7c8000000000e8000000002000020000000a792a4c0bfebff44c8ebcdd5f55c4254e763ee366c059ede185ae0e6f54f0c7c20000000bdb896731eff7ac25d5e140adf58229a8e489761d1bf8fd86a679ec6906829cc4000000069c86c63750b7da30deec1b1446fea2b5002dc12bcec9af88c54f15dcfc7663119ad8e27daf87b0996e21ba97b2f71a5a19a2eb336838c00b02c9994718afe15 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3009354565" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2899511386" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003106e36e7a62f043a172a582566123df0000000002000000000010660000000100002000000015a295be882712927a4ef1ddbe17ab2d3404250c197d0df184bf9baaebb1f895000000000e800000000200002000000032bc6dfe0faea0c628809dd2de02189079293b67f5a9cd93366c011f96cd3bc820000000787a6b9fcb96710176692174e04dd30f9fa8b8307a6ed7544c5617f7f82e91f2400000000ac58da8344542ccfabd6599d53249f14b61cb739a40cc165f2aee42a50752ad952e24fa03edb494635f1c206a808e00137457950f59b5bff068ad47f4ee3518 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3009354565" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31014412" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382277074" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D5591877-A9FF-11ED-89AC-520B3B914C01} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31014412" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31014412" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2899511386" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 500ebbac0c3ed901 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 6034acb20c3ed901 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2500 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2500 iexplore.exe 2500 iexplore.exe 4716 IEXPLORE.EXE 4716 IEXPLORE.EXE 4716 IEXPLORE.EXE 4716 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2500 wrote to memory of 4716 2500 iexplore.exe 80 PID 2500 wrote to memory of 4716 2500 iexplore.exe 80 PID 2500 wrote to memory of 4716 2500 iexplore.exe 80
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http:///root/sample/a8411812a63b4c9f2070f0031eb5203e11a7544e1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2500 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4716
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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
MD554d6253214f843b2b958ccc313c9d824
SHA16458fc1969c53f40b83d11149811cc0acf952a12
SHA2569452ca2937559277d5c065011cc3f080eab643950189b27605bca71c12e6f10d
SHA512be04dfda0020d0d907e1f0f0ddc86d4793a27029ac950524333aa37defae511a739af51bf77e51a742f50d73dc03b33771d417b69ea0272da0f02f233f665d52
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize434B
MD5657a632cdeb6f48efb3e88c0a598a33d
SHA105eb3a63bc070cc8065370c8875f6cdac1e9f6da
SHA256c5410bcbfdccacfb91c9024f029879c8c38a1e700e12b60edc0788dbeef10e64
SHA5123dc941e64622ed1605acd1df805d083ec44ef7297813d5fa55c635cff9675a8e028f0dc9f98989f68fe21895d3da031f983b0911ec9cd6ee69e577de2a0fd6dd