Analysis
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max time kernel
122s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-10-2024 18:09
Static task
static1
Behavioral task
behavioral1
Sample
f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe
Resource
win10v2004-20241007-en
General
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Target
f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe
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Size
135KB
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MD5
511aa2f2fe6196e032ec7fef83bb8d95
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SHA1
ce874f517d335a1e1ab0df99111df1d3adbc0d21
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SHA256
f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150
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SHA512
78a4771ab5e531420a45338ae27a5a4dad11b50385964a739e7ecec2c55d3ee47cde148dfc1e82ce7e8b8eb8a04a7f9b784cdd640e490a84bc8ce621d2f8d1c0
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SSDEEP
3072:VV2vxw88jLtbMmJ2RqRADLK1iJ1/NvdOgecZlw/C:VV2v503kRqRuL0iJ1FdLec9
Malware Config
Signatures
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Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
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Deletes itself 1 IoCs
pid Process 868 cmd.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\_HELP_instructions.bmp" f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DllHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop\WallpaperStyle = "0" f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop\TileWallpaper = "0" f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 101d011d8921db01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d793ad506ece624c80bd99362738d9070000000002000000000010660000000100002000000003cd37b0382db8141204e3858f641af2a5da8443831227700c1eab23b170c0ce000000000e800000000200002000000025cb689b3d6fc38685eea1c4e4816818064e618a7a9bb70a0a1bf9d16361aa5020000000a6394e61bdb337657cc9bd08d58171dbc31920ad2a8d8936d5b5f6df4f4e27bb400000008ca5b011de5a1649b246099a2b509645fe625016d478e9d2a32416451e8b5775eb7a67d52ffb9dbfb07745203e153ed4a4328f2805a0ac6c00828d99c4c0d54f iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4889A4C1-8D7C-11EF-833B-EE9D5ADBD8E3} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d793ad506ece624c80bd99362738d907000000000200000000001066000000010000200000008b46d01526874186599e87565b6255955bb92e6bca6368f2f540faf7a015a615000000000e8000000002000020000000d6272f6902f954ff8fcd86dd8f03ce1fbd851d75151b66ae93cf0e92547466ac9000000029fc2c10226ce2abcae80e04490770fba523d67c3135178f2890e117e0c84d12ee908a074d9d7297dfa72c9a42e9eb3b57e8ddb97ca80fff76b63b0c895c7c622ecaf36a5591d83854f5735e0a056ec931888d1e21cb2d65e96b19f995f5ab144a7ce7ac63d110c9c291bf71666d90e666756ff99772e7bec7b6cf815e3f88a6472c2dbd8940c8f82470c24e0dbfb2454000000006a9e83c44acdf48c9081898aedecac37984d0d70b5301a31898562c0d4721f487b0e8963a111cc4591f7f43a19d72d18d916c835635481b99a039d4bd0a5b15 iexplore.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2840 iexplore.exe 2860 DllHost.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2840 iexplore.exe 2840 iexplore.exe 2808 IEXPLORE.EXE 2808 IEXPLORE.EXE 2860 DllHost.exe 2860 DllHost.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2840 2432 f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe 32 PID 2432 wrote to memory of 2840 2432 f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe 32 PID 2432 wrote to memory of 2840 2432 f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe 32 PID 2432 wrote to memory of 2840 2432 f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe 32 PID 2840 wrote to memory of 2808 2840 iexplore.exe 33 PID 2840 wrote to memory of 2808 2840 iexplore.exe 33 PID 2840 wrote to memory of 2808 2840 iexplore.exe 33 PID 2840 wrote to memory of 2808 2840 iexplore.exe 33 PID 2432 wrote to memory of 868 2432 f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe 35 PID 2432 wrote to memory of 868 2432 f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe 35 PID 2432 wrote to memory of 868 2432 f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe 35 PID 2432 wrote to memory of 868 2432 f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe"C:\Users\Admin\AppData\Local\Temp\f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe"1⤵
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\_HELP_instructions.html2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2840 CREDAT:275457 /prefetch:23⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2808
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C:\Windows\SysWOW64\cmd.execmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150.exe"2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:868
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2860
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
9KB
MD5d900b2d9759a8845781cf56075926ffe
SHA11490eed6db92c38e66cfb09314f2960b42e5d5d1
SHA256b5b35f8483d475a73474aa6674bd6f618535f963787b76afd03dbf3ba0b033c8
SHA512cdc87b77f6982da2d7a80d7050a25c6bac82147b16ee9e70224ecbd56697f80abd91624b6148927cc3a6c95da6074742026dd2372e7a310d86e645439b337688
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD58a979d1e161e336d4f646dc0f8a6f210
SHA15e00dca3617c1729c5a61f84f89ac321aeb08849
SHA256ca4e3098e2d6d548b0d346c6f91a866357f91059279b3d724db20e9e797b3308
SHA512289a3d10fe181ecf8abac44db796ef3534b51a1793d05c28b5d31dd01d1da0cb8e8c522fc596a8ff98bf12623e25eff1a1f6161915ad55fd64a0a220be898cfc
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5ddca058ab5f43af5da170f2500d3d28f
SHA19516ba69a82e95bf7fb9624f1c4ab784192073f4
SHA2564389424616bed24899a3efd01b66db220b42dc8f3425d1f26bf7ce76ff1ae172
SHA5122bb4201d2161956f65b5a1361d86ad286609bad3de9a3bc156441459da9c4205e549f92e219390ed8062ecae01995e8a7450ff6e06772cfe2970cae3c6fa76c5
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD54328514e6d3add91957ea8f50b0cbc3e
SHA1f69d6238471d80ff25cfe74871bddd5c577b362e
SHA256d3bc44b7a1d817a0ed098b434fd837b39d418d2da3895faf44f9b95dc4dfc3ec
SHA512ca0f3c74bafc22f4df36a575132a85fa0fc276d1813ebbc58b0882aed218e1a0b595b01ca036b8b308cf24a239ebab885e2fc0343ff1360de1fd08a81df830b2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD59182b6037cd6eb8d3c4357d260eb8d10
SHA1af91e97aff8fbc5d89e439b3ea62df8f8c0729f4
SHA2565d85e1362f23a8a4365a5f9443bae8bda20c9f7fd69bf24df4f85144f893338b
SHA51270ad59ed8d4363aeb0578368425cf844a0268f9313d06400e7cafadb71da4e2144dc6ef2ebb37ddc816a52ec788f6852ecb1405caf9de327e0654c6c71653264
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5aab938c28ffc307ce99a260748ef16f2
SHA195766ab50bc343648bd77b0e9d27de412b396491
SHA256826c6e80efe2293b754e066f196ac2d6bc88a2d4fd623242237b7d30860f9483
SHA512bf1ff230a747b1311c61b3f3ac8d9ead06b37d28e1b753f542604c1d65905aa14acc4c9b8b11f71384ca24bb4a246407f3baa635bbcc637b5cc464e5de1ee2b2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5066081bb04821a656fc1688cc2ebdfcb
SHA18bf1f9b2c3d9777c0111e0d8a43a07baafd4d1b3
SHA256844ff647b8b0e5ca3f9ec356ab161c3d65d896e8262e5ade528bfed913813019
SHA512f2e707888ccc2cf562029bd966448458ed9454e3b92b47a8d4bba352f217da0506d39d8dc9bea221fd87305fd9e824edda57c7221e71b0415b15c08cf9dc0af5
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD53be325e47382649d8b796c1ea898e743
SHA16dd431f74645479c869692c0c4b78821fa50a4b4
SHA256dd7a1564c11b5dafb6b80647b10ab316cb23ab49f50e8eb7f8cd890859961dbb
SHA512e4c504954f25ae141ba70336dcd1549103445b0273627d87870939d58428e46b9040a3258e7a6518b3d7dd5920517787c8c096a9c87d5baf1e70369a9d4be5d5
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD57721db39ff3002d84e93933393ecfe87
SHA1d80a0ba8df902648d084ff841904a6e983b18c97
SHA2569978bbe2a17cf2cdfb7059ecdfbee96757d6ed149bff5fe2576c490755f39abe
SHA512272dcc1a53c2575cc91344a14eb284c19bdf8be8683179b244228d0c39a31d267d69e64f7e4b2544bf1a9928f079f097fb1bb68ff6b42e97fa46b1eb39eb27e2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5248599bd81e58240c122f04c31a86343
SHA1028666ea51d1284d165a521e39098645ae678a87
SHA2569b571027514117e12ec7d22f48fed4e3afbd007b2ffa20a36dc9a2eee747b672
SHA512e642b684dba2b1194ff4a5f9880ef752b1432f5c2db27ed9623d46d7564f97bf125a28085857e518de0480912493c065d05cb46bc6ef7703bb262690aea3b9e0
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
3.7MB
MD553ccca5c97328ebfd354672dc69d6e87
SHA1aa4fcd5d5acf4920335baf5142d93e4707466443
SHA25681ca5d5d6e4b5410979198c8b2d6bb8350c32480cec196ad3336f7e892ac184c
SHA512aa02ae5e287a9b6bd36e383cf20133a5b4e707960e25990a7b5c139225e44ea239f6ed02a2095b47c415390f7424625cf1f4cf62e17360899846c0b8112a0075