Resubmissions
31-03-2023 17:55
230331-whl5psde7y 1031-03-2023 17:48
230331-wdf3wsde4s 131-03-2023 17:47
230331-wc4gsscb74 131-03-2023 17:39
230331-v8eymsdd81 431-03-2023 16:18
230331-tsdvzabe59 4Analysis
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max time kernel
53s -
max time network
56s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
31-03-2023 17:48
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://mega.nz/file/6pwW0ZCR#ZDz57mbDtRrC4o2xQ1n78q2zMZQ_P2ZfAzmGqa15VSE
Resource
win10v2004-20230220-en
General
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Target
https://mega.nz/file/6pwW0ZCR#ZDz57mbDtRrC4o2xQ1n78q2zMZQ_P2ZfAzmGqa15VSE
Malware Config
Signatures
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Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{FC7371E4-CFFC-11ED-BDA1-FA48AF8140A7} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31024137" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3530169341" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3571419698" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31024137" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31024137" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3530169341" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 3208 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 3208 iexplore.exe 3208 iexplore.exe 1276 IEXPLORE.EXE 1276 IEXPLORE.EXE 1276 IEXPLORE.EXE 1276 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
iexplore.exedescription pid process target process PID 3208 wrote to memory of 1276 3208 iexplore.exe IEXPLORE.EXE PID 3208 wrote to memory of 1276 3208 iexplore.exe IEXPLORE.EXE PID 3208 wrote to memory of 1276 3208 iexplore.exe IEXPLORE.EXE
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://mega.nz/file/6pwW0ZCR#ZDz57mbDtRrC4o2xQ1n78q2zMZQ_P2ZfAzmGqa15VSE1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3208 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
471B
MD5bdbbd793778777706223b00a4ea24ed0
SHA1bf09527cebe8906bfe6aa1e885bc9fb1b3ec54e4
SHA2568b1034038298faf34d3f580c1ded7212f40d146de7e62cff20826c8b53f80c36
SHA5127397d981e28bee91dd0e08c3a38444d8524204118548e8db810f5a277cbb08c20a64350063cf36ee4a943edba249f1d0ed350d4cfbc0671461cf27c2534c1f13
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
434B
MD5756a67dfbe00b50323bab18a7f997e30
SHA13ee7b790fb281a59e251df3f30a8b7c7d76527e2
SHA256bfc077970eef70f455449a6bd642cf0d1d0cf47228b57c822e73604645b1f611
SHA512b31f463530221efc8432de44d0d48f209654733f95d9949c0b996ea355ab729e9fa5bf287dc714adb8b04403c80e5042a5a325e462a942a5b50b0ebec038a9f7
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\q7s3h6i\imagestore.datFilesize
6KB
MD50569bca26609ccd2318f6a441899d412
SHA1aba83c11ae98d4f14ae63a052af869619c48df2a
SHA2565a5ac9dd51e710178b56a5ff5cb4195b9f2d4ce31f197ba19ee4e7bd31520274
SHA5129899412b5f7ac012912cc199c9f9aea71ae7723d37ad92e5d984e3fcb2c2a6f545b417089f984306c381bc27b9c472a3000f760b55a78c4298171cd2d6ddec9c
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K941J8ND\favicon[1].icoFilesize
6KB
MD572f13fa5f987ea923a68a818d38fb540
SHA1f014620d35787fcfdef193c20bb383f5655b9e1e
SHA25637127c1a29c164cdaa75ec72ae685094c2468fe0577f743cb1f307d23dd35ec1
SHA512b66af0b6b95560c20584ed033547235d5188981a092131a7c1749926ba1ac208266193bd7fa8a3403a39eee23fcdd53580e9533803d7f52df5fb01d508e292b3