Analysis
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max time kernel
137s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08-02-2023 21:18
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http:///root/sample/d9a21b090d0dbb630a494d8f7052ec41af39e339
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
http:///root/sample/d9a21b090d0dbb630a494d8f7052ec41af39e339
Resource
win10v2004-20220812-en
General
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Target
http:///root/sample/d9a21b090d0dbb630a494d8f7052ec41af39e339
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1809885861" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "366488715" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bc127f7ad04cc84fbd28f221f78a63b800000000020000000000106600000001000020000000d7d87d7e00b41b16f3c5e55f4900cc69a40bf05789e14db098a378f2657f53a8000000000e8000000002000020000000b152302f2fec5e6316f5575b96ab5f9751068e025e3972f5063494670a0f6b9120000000fe585b408e946ffbf279afce55a0fd28e03b7cbd9e1e92b5579928a9d63dd92140000000414171f0dc42ece1e0958710a4b386e4969adbf141071a7d5dc67be849544ad174b096acf7c990cfd85ee17afaf7ad67831b34d1b8747562067c07b7169d7766 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{967CCABF-A7FE-11ED-B696-E62BBF623C53} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31013899" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31013899" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31013899" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1809885861" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1815825193" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31013899" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bc127f7ad04cc84fbd28f221f78a63b800000000020000000000106600000001000020000000989bb8c2279694106675f4c8fdacc1a9af885f596255c428d8752ea4d931df67000000000e8000000002000020000000fb80d282a0e2ed7d33856aa381e5f30ab2f72416d5a3cdabce4f32f0bdcc091c20000000693f55ce53edf02089da797aa8e0c8b8976dffcd81c109325e69341ca93a2a43400000009bc0d6ceff6341fffed6bbcd4329ccd10f74706bfbfb3a4564fc11efc923fe33f9fdc62355de521aec3e1fbeb4b42bf487deac486c87f719fd39d9195aabf67a iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f09e506c0b3cd901 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1815825193" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 206e426c0b3cd901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3836 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3836 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3836 iexplore.exe 3836 iexplore.exe 1096 IEXPLORE.EXE 1096 IEXPLORE.EXE 1096 IEXPLORE.EXE 1096 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3836 wrote to memory of 1096 3836 iexplore.exe 76 PID 3836 wrote to memory of 1096 3836 iexplore.exe 76 PID 3836 wrote to memory of 1096 3836 iexplore.exe 76
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http:///root/sample/d9a21b090d0dbb630a494d8f7052ec41af39e3391⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3836 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1096
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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
MD52897da34e63dc7264119c1358edce0ae
SHA105ae97dc53f07ac4d0e98aa52af47863191a0197
SHA256357487c69e685e8c74d3aae7995be2092b33b991b5232215146b70a91589bca2
SHA512fc8d4a3934f90d475d477b671889638ea860e213417f5195a15da9326f5566e887d46321621ced75c2bd1a2eaa0f34cfe8762b7e55d5ae1f15c19dc869f70935
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5f896288be09931f5a4e987a2a8a18585
SHA14d4963216b62b41d8a102c92b202923c68730c05
SHA256f3eb401ab80ddbb9fc95124d70e324d14e88563deb240e61ac112ca916949410
SHA512b950cfac409dd13d469fa342cb4eea690309ecdb969f591c4417411b211b937c3f86610de61ec36e016112bac1b4f70ee2af2d7d63e64e6df635e26f6cdf9ab7