Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2024 22:52
Static task
static1
General
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Target
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Size
1.4MB
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MD5
a8f847d3f2d2e79599884ec078cbbd8e
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SHA1
1b5c86c5e1352bda849e0ac6e16872a7eb46e931
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SHA256
1f0399899fa16b89773167d87b10d2add2364e2ad9a1e32da537220ad0253c50
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SHA512
1e6117708cb7dee60f2dfb0d1687a52d65e7c8632d35fab305a999d281cf0ab17c252828556526753c4e8bff2d5bb7a1dfb10d91f2c8ee75dc6a3b87e8d273ab
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SSDEEP
12288:WZgSKWk54jeg6lL5assQHtzV2KoLJ+PwXxwuLSJ8slf1zMr6iL/KNDx2PIXe2Q:KgoLetlLS8tz6V+PwD0XVMrXCNDxtK
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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resource yara_rule behavioral2/files/0x0009000000023481-3.dat aspack_v212_v242 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation DyiyjG.exe -
Executes dropped EXE 1 IoCs
pid Process 2680 DyiyjG.exe -
resource yara_rule behavioral2/memory/2560-8-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral2/memory/2560-15-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral2/memory/2560-18-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral2/memory/2560-17-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral2/memory/2560-20-0x0000000000400000-0x00000000005DE000-memory.dmp upx behavioral2/memory/2560-57-0x0000000000400000-0x00000000005E3000-memory.dmp upx behavioral2/memory/2560-59-0x0000000000400000-0x00000000005DE000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" [email protected] -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe DyiyjG.exe File opened for modification C:\Program Files\7-Zip\7zG.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe DyiyjG.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe DyiyjG.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe DyiyjG.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe DyiyjG.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe DyiyjG.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe DyiyjG.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe DyiyjG.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe DyiyjG.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe DyiyjG.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\chrmstp.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe DyiyjG.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe DyiyjG.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe DyiyjG.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.106\chrome_installer.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe DyiyjG.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe DyiyjG.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe DyiyjG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe DyiyjG.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe DyiyjG.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe DyiyjG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe DyiyjG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE DyiyjG.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 3 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 [email protected] Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DyiyjG.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2560 [email protected] 2560 [email protected] 2560 [email protected] 2560 [email protected] -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2560 wrote to memory of 2680 2560 [email protected] 84 PID 2560 wrote to memory of 2680 2560 [email protected] 84 PID 2560 wrote to memory of 2680 2560 [email protected] 84 PID 2680 wrote to memory of 1020 2680 DyiyjG.exe 89 PID 2680 wrote to memory of 1020 2680 DyiyjG.exe 89 PID 2680 wrote to memory of 1020 2680 DyiyjG.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\[email protected]"C:\Users\Admin\AppData\Local\Temp\[email protected]"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Users\Admin\AppData\Local\Temp\DyiyjG.exeC:\Users\Admin\AppData\Local\Temp\DyiyjG.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\30fe1eda.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1020
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
187B
MD5f98eff8f3b548f6b28468c4c7c51d3b8
SHA194b070511f70e97feb9016217dcce63840f83443
SHA256809d68989191bc5a6252b12ac7c64c04e4482f6345b5e8a0a024241864ffcc5f
SHA512b4da72948bc0fdc53bf8068f6386a6f875a17f540eb2496e61f95f8763e0ff52207cabf7cea538e9d69a1b1417308b6310c8718dab64712d6a70decac4efdedd
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD5f7d21de5c4e81341eccd280c11ddcc9a
SHA1d4e9ef10d7685d491583c6fa93ae5d9105d815bd
SHA2564485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
SHA512e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3