Analysis
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max time kernel
138s -
max time network
154s -
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, 18:55
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http:///root/sample/bf459d91589f32c0114094ee6034c33c2559781d
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
http:///root/sample/bf459d91589f32c0114094ee6034c33c2559781d
Resource
win10v2004-20220812-en
General
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Target
http:///root/sample/bf459d91589f32c0114094ee6034c33c2559781d
Malware Config
Signatures
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description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000008ec16de3234a6f4d8a22b87a41a4244000000000020000000000106600000001000020000000e55f554c6b93a76d1ce5ddc3e549670a71b9b44abe25b9a9c25fd692a255419f000000000e8000000002000020000000dbf61e34077e845981c17fb7532d857815f88019120a95522eab3f77dd7e29f42000000042240985b01ca525a52d4c657eadc91ee3eb66e760b1218eac9bc4696797a9d44000000052e2d03808cd08e9df3bf089250e5bb8254c0984546a3ee6fbe96ed7f7406f81161137880f2c867937c5e408109d57475a23aa29ff8a318b2942857da3932489 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 5032a7e0e13dd901 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31014369" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31014369" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive 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 Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31014369" 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\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\LastTTLHighDateTime = "50" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d06564e8e13dd901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 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\VersionManager\LastCheckForUpdateLowDateTime = "3898900388" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000008ec16de3234a6f4d8a22b87a41a4244000000000020000000000106600000001000020000000df3845af958ad0952a8b93e76cf9b05b423cd193b86b8014c56ce65232503f42000000000e8000000002000020000000f5d7e1b98070c28b4b75c9ab9e1fbd7fa04b09498e89bf64f11f79b7f26c48cd200000002afc11bede76c66f5fdba398d7402c8460367590480a94c49368fdb40bc1dcef40000000284bb6850d27d6c4a3523770977c0a65fbabe29f3de471ce9f4fab14a9b67ec175ba28c0748d4cde6df4dddada2d5dc0068767bbbde34912bbc996756e84d764 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\LastUpdateLowDateTime = "3806244016" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage 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\Recovery\AdminActive\{0A0D613E-A9D5-11ED-B696-E62BBF623C53} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31014369" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3898900388" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "366488736" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion 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\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3806244016" 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 1004 IEXPLORE.EXE 1004 IEXPLORE.EXE 1004 IEXPLORE.EXE 1004 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3836 wrote to memory of 1004 3836 iexplore.exe 76 PID 3836 wrote to memory of 1004 3836 iexplore.exe 76 PID 3836 wrote to memory of 1004 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/bf459d91589f32c0114094ee6034c33c2559781d1⤵
- 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:1004
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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
MD51817d9f8c83af5a97f742f07f32fac7e
SHA1fac61ba5502036b356304703939a905467a7bd04
SHA25607448a3b03c29db66b8782361cc553ad689bc75964c8070d2cd795d0c03f5268
SHA512b9a071c1eb497a26f837c6826b6c7372cf1403d68a8b7adf1251f069492ec1539199303d13fd46e2fb85692b193ab87492624ed34a51b9cfc92d67ecbd638686
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD521b766e5fd327fc3947574d00bf3efad
SHA1364cc3d8cf76a1a50cddbb4dd6fe6a3f3c5e7efa
SHA2566b4bafc7a1874ae94cc3ae9004a4bf440fb4327a5b23c1c490ddc5879c7d21b1
SHA512711ef05c2818122bb8fe3466b7c192c864ead46017edef9b4ae6f412daf5cd87702807cb34b5770c1dd22fb3bdf9a95c6b8440a455729decad9bed8fcf3111f7