Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2024 04:18
Static task
static1
Behavioral task
behavioral1
Sample
805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe
Resource
win10v2004-20240709-en
General
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Target
805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe
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Size
248KB
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MD5
632b2d07e50b196df7d9981ab6e97e7f
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SHA1
34ad4d599d258ace18c19a7cc68a714a89809d6a
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SHA256
805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f
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SHA512
04dad39193f24d27417ba9124ee2c229fec680476b97efe45fee88670c422d76eb08acb2357b5ed3b028df6e3edb8e99ef7cad9b40567cd99d41a86244733043
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SSDEEP
3072:3DwPX0z03zMXam9kU5N3NYFeSJpcC0aFEl9GQ5c4JfXMSS5/8ESPz3JBEGCH:O9MXvnkeoc/aCz5c4JPqmzB
Malware Config
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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resource yara_rule behavioral2/files/0x000b00000002341c-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 PDuOj.exe -
Executes dropped EXE 1 IoCs
pid Process 1368 PDuOj.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe PDuOj.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe PDuOj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe PDuOj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.106\chrome_installer.exe PDuOj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe PDuOj.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe PDuOj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe PDuOj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe PDuOj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{CEF7DB4F-2246-44A3-A17E-9C5870D211DB}\chrome_installer.exe PDuOj.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE PDuOj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe PDuOj.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe PDuOj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE PDuOj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe PDuOj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4508 528 WerFault.exe 85 -
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 805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PDuOj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 528 wrote to memory of 1368 528 805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe 86 PID 528 wrote to memory of 1368 528 805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe 86 PID 528 wrote to memory of 1368 528 805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe 86 PID 1368 wrote to memory of 1844 1368 PDuOj.exe 93 PID 1368 wrote to memory of 1844 1368 PDuOj.exe 93 PID 1368 wrote to memory of 1844 1368 PDuOj.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe"C:\Users\Admin\AppData\Local\Temp\805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious use of WriteProcessMemory
PID:528 -
C:\Users\Admin\AppData\Local\Temp\PDuOj.exeC:\Users\Admin\AppData\Local\Temp\PDuOj.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:1368 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\171b7dc8.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 4722⤵
- Program crash
PID:4508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 528 -ip 5281⤵PID:2260
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
185B
MD54d7372b96c26f6838e3f9bd6e5986a74
SHA1887e70335b805eec51124bf46659cf9a6591a0ab
SHA2563ce6d5f7e3e534be06a9586b77485d9b1eb8e27e6b381336a0eb40306b9812fd
SHA512bdce9785ef3c6e09a527910ad79b3dba4ed43960a5600c6e72f0cc73996d28f837244d2f84386378647c5967c5c06a78a5ba81bceb66c433825aaa37b38719b8
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD5f7d21de5c4e81341eccd280c11ddcc9a
SHA1d4e9ef10d7685d491583c6fa93ae5d9105d815bd
SHA2564485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
SHA512e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3