Analysis
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max time kernel
153s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 14:41
Static task
static1
Behavioral task
behavioral1
Sample
Rivesed Service Provision Update - November 2022.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Rivesed Service Provision Update - November 2022.pdf
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
readme.html
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
readme.html
Resource
win10v2004-20220901-en
General
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Target
readme.html
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Size
31KB
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MD5
a306f7fbd7d6dff5c113da140a54bf1d
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SHA1
c8bcd0fa089c7f40c1c9ad30b9d2929779ea92ba
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SHA256
d3ba2e901cea4c64087e997ca85391157e0a3ac2e8af70357286093ab0a4e8fb
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SHA512
f3cf638aad24a58e7ef305ca75109e7bb8f30c05b060ea98ccaf084fc096aec83e6a969bb454ad3e4ba5219bcda1f94a62e09a67b1a56f6a9d910b5a53544294
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SSDEEP
192:5rMu2rUjYd1cVhOSEdzKJL39h+iZe+6iX/qy9Zk2aFcReZ4dmKRC9dk3fS674YzP:2QywJL9ocPdmJk6WFzoCD
Malware Config
Signatures
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Processes:
IEXPLORE.EXEiexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375983137" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000004f995fd85ad6f247850296420045e98f000000000200000000001066000000010000200000003cc904abea20be44e59207d7a9d2895ca73b1bd1314f4ec0e8b8ce5fc3e5d357000000000e8000000002000020000000c125897bf390935204610886a390f2d4121f3d2497b5b7ebd759a74a9e3c394820000000c82b9709d4f8caf583eb299fa127bcce3affd8dd6d4ebc677fc04c8d9b0ad08b4000000018f9abee6311426fc0ab4e16f4bf16dba56fd9ed77a7460f8145946b1fcdebb93bd1f48224fd5cf8aacdb1af07119fb3c24e6dc710bc36f4620902e335d984d1 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{76918871-6B45-11ED-AB20-4A12BD72B3C7} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f05ae57052ffd801 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1536 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1536 iexplore.exe 1536 iexplore.exe 1980 IEXPLORE.EXE 1980 IEXPLORE.EXE 1980 IEXPLORE.EXE 1980 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
iexplore.exedescription pid process target process PID 1536 wrote to memory of 1980 1536 iexplore.exe IEXPLORE.EXE PID 1536 wrote to memory of 1980 1536 iexplore.exe IEXPLORE.EXE PID 1536 wrote to memory of 1980 1536 iexplore.exe IEXPLORE.EXE PID 1536 wrote to memory of 1980 1536 iexplore.exe IEXPLORE.EXE
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\readme.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1536 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1980
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
61KB
MD53dcf580a93972319e82cafbc047d34d5
SHA18528d2a1363e5de77dc3b1142850e51ead0f4b6b
SHA25640810e31f1b69075c727e6d557f9614d5880112895ff6f4df1767e87ae5640d1
SHA51298384be7218340f95dae88d1cb865f23a0b4e12855beb6e74a3752274c9b4c601e493864db777bca677a370d0a9dbffd68d94898a82014537f3a801cce839c42
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD52094fb7c49f5af2b91a1cf772d9568b4
SHA172e798fed29fed7b7bcdbfa30cbee37f4f529dfd
SHA25680a49814fc00d54c774c880aea4d1bf5516d15a72bbc79682978e94dea76db2d
SHA51287878fbeac8e827514b9e1e3c30e81f5f92252a9e35a20c10bc3c149e3d271fbdfeab7b167fc0051408e92cbdcdc824335a6f8ba5a92969c4dbb0224b815c0dc
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Filesize
608B
MD507e4a502fec06e6eb5cf575b27b25d13
SHA1c59cf9c4e2d2a757223c2fc97d39f5a7c042d234
SHA25647973cabaca9eb3351713180a6b5f227f5008d173f37dc1c7f9a79b445c1e222
SHA5120d044f46bcd98d6b522949b1cc7bd28f10811e5eef01762a28a4a0649d7958e8df950a70cfabd2c172f49253241f95846cc551f4aa258f65be02ab1f177db1a9