Analysis
- 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
1 signatures
Behavioral task
behavioral1
Sample
805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe
Resource
win7-20240708-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f.exe
- Size 248KB
- Sample240725-ew69csyarm
- SHA256 805e284a572c89194c01a4b45018ebd84611a17324115a706ed490d92d30fb6f
- MD5 632b2d07e50b196df7d9981ab6e97e7f
- SHA1 34ad4d599d258ace18c19a7cc68a714a89809d6a
- SHA512 04dad39193f24d27417ba9124ee2c229fec680476b97efe45fee88670c422d76eb08acb2357b5ed3b028df6e3edb8e99ef7cad9b40567cd99d41a86244733043
- SSDEEP 3072:3DwPX0z03zMXam9kU5N3NYFeSJpcC0aFEl9GQ5c4JfXMSS5/8ESPz3JBEGCH:O9MXvnkeoc/aCz5c4JPqmzB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
-
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).
- 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
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MQYRE6E5\k2[1].rar
- Size 4B
- SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
- MD5 d3b07384d113edec49eaa6238ad5ff00
- SHA1 f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
- SHA512 0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\171b7dc8.bat
- Size 185B
- SHA256 3ce6d5f7e3e534be06a9586b77485d9b1eb8e27e6b381336a0eb40306b9812fd
- MD5 4d7372b96c26f6838e3f9bd6e5986a74
- SHA1 887e70335b805eec51124bf46659cf9a6591a0ab
- SHA512 bdce9785ef3c6e09a527910ad79b3dba4ed43960a5600c6e72f0cc73996d28f837244d2f84386378647c5967c5c06a78a5ba81bceb66c433825aaa37b38719b8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\37300435.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\PDuOj.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP