Analysis
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max time kernel
136s -
max time network
135s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04-11-2020 03:03
Static task
static1
Behavioral task
behavioral1
Sample
70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe
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Size
594KB
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MD5
cf92bea857aea977023ad61ec6b6c980
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SHA1
3bd8631ef9a7cab613af223e33734e8f2a4bc0bb
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SHA256
70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3
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SHA512
1e249b79a244d6d1877592607628efc79977a44d22f4a79b137e99f7d5e44cfd2fd235d5eaba5f6bddea5962e07455ee22fda284dec02b3be0ca1a76098dcba8
Score
10/10
Malware Config
Signatures
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Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 1 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File opened for modification \??\c:\Users\Admin\Pictures\MeasureResolve.tiff 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe -
Deletes itself 1 IoCs
pid Process 1892 cmd.exe -
Modifies service 2 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5} vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\VssapiPublisher 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer vssvc.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\ykcol.bmp" 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1708 vssadmin.exe -
Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\Desktop\WallpaperStyle = "0" 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\Desktop\TileWallpaper = "0" 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70e6ba3b5fb2d601 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000033044fc40189d459fe40d0e3dcc9b66000000000200000000001066000000010000200000009c5eabd735d0c14764d63d1a886bf340692281d3be445e495544442ef04ff95a000000000e8000000002000020000000a549d022a42e933ef74338b1a5313f7ae3dea782a2dd29deaf5fea82083b66f3900000002a76ffce63efee984600e79db0249f32491d04db2a44f27effce0d1fd7dae67e598122e9cb6663db7ea583a5f6419fb2b24e9251112d17c7002d53f4f434c3b67cd054cbe06db83a1525bf7887d6a5f3f4d1fa25f442b4afe43d226657efb2683c988cbae72515565cdca5d9bfcb061e389c1d6c544b4cc2d688ded63368942287c1f66ec5fa7aacc51211d2e437affb400000005fd41c10d51a07eaa73a99c3a59bfd34e23ab4eea2e30eba6d3416e1681c84025e0566bcc16960c4758eed6a16ff5e0ec23f48508ec47a314538491fc60f6c75 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{64CEF841-1E52-11EB-8A59-D6D89EDB0C53} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000033044fc40189d459fe40d0e3dcc9b66000000000200000000001066000000010000200000005bdffcdace4ffc157b3e4487d9511819d8e900835aa223f4078493da6a6e8b4e000000000e8000000002000020000000ca05e0fac06cbf95a7514749eb1a8c7eeb0084225fa919bff105c26b5f22d21220000000fada17ddf92dfb8c287fb4d1bcfeb3796b635c5fde98de689215f854d301985740000000295758965d18c044798fb3e23e62d26f5eca38b6a51b2abdf2914d2e7e4068b6972f38e9f0afbac553ed4e3dfba7119132af1d31127db1646886cc097f2a4ed6 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "311227458" iexplore.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 612 vssvc.exe Token: SeRestorePrivilege 612 vssvc.exe Token: SeAuditPrivilege 612 vssvc.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 672 iexplore.exe 1008 DllHost.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 672 iexplore.exe 672 iexplore.exe 956 IEXPLORE.EXE 956 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1336 wrote to memory of 1708 1336 taskeng.exe 31 PID 1336 wrote to memory of 1708 1336 taskeng.exe 31 PID 1336 wrote to memory of 1708 1336 taskeng.exe 31 PID 1004 wrote to memory of 672 1004 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe 36 PID 1004 wrote to memory of 672 1004 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe 36 PID 1004 wrote to memory of 672 1004 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe 36 PID 1004 wrote to memory of 672 1004 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe 36 PID 1004 wrote to memory of 1892 1004 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe 39 PID 1004 wrote to memory of 1892 1004 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe 39 PID 1004 wrote to memory of 1892 1004 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe 39 PID 1004 wrote to memory of 1892 1004 70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe 39 PID 672 wrote to memory of 956 672 iexplore.exe 41 PID 672 wrote to memory of 956 672 iexplore.exe 41 PID 672 wrote to memory of 956 672 iexplore.exe 41 PID 672 wrote to memory of 956 672 iexplore.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe"C:\Users\Admin\AppData\Local\Temp\70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe"1⤵
- Modifies extensions of user files
- Modifies service
- Sets desktop wallpaper using registry
- Enumerates system info in registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:1004 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\ykcol.htm2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:672 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:672 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:956
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C:\Windows\SysWOW64\cmd.execmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\70d06bd4e6a91b60bc8515e327fa1f9fb7ac82125e3c8a06359b5bb3f96e48f3.exe"2⤵
- Deletes itself
PID:1892
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:612
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C:\Windows\system32\taskeng.exetaskeng.exe {A6203F57-43CF-4B9E-B820-8FF84168B096} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1336 -
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /Quiet /All2⤵
- Interacts with shadow copies
PID:1708
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- Suspicious use of FindShellTrayWindow
PID:1008