Analysis
- max time kernel
142s - max time network
139s - 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, 02:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe
Resource
win7-20240708-en
windows7-x64
9 signatures
150 seconds
General
- Target 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe
- Size 270KB
- Sample240725-cwyk4sshjr
- SHA256 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773
- MD5 09747c06dc2b534029134322cb3156bc
- SHA1 4e86e5c30491194a720353d803539b6776db51ab
- SHA512 6ef07d56182f4d5c0e38a7ecad1179749216e20755553c64cb7f4af5011bc59c4329a17f7684c0b6f4717af14288885c7c13595a14fb8f91b81e2d8d079a02ef
- SSDEEP 6144:3Qb38M9QIC7oVQzqlOrrABY29B5RwGYw2KWNmJHoI:3E8M9PC7oKXABt1r2c
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
-
resource yara_rule behavioral2/files/0x00080000000234ee-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-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation ppXMMt.exe - Executes dropped EXE 1 IoCs
pid Process 4656 ppXMMt.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4196 set thread context of 3772 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 86 - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe ppXMMt.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe ppXMMt.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe ppXMMt.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{F144ABEA-AC75-413B-997A-58DFC7C8F204}\chrome_installer.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe ppXMMt.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_pwa_launcher.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE ppXMMt.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe ppXMMt.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe ppXMMt.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe ppXMMt.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe ppXMMt.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe ppXMMt.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe ppXMMt.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe ppXMMt.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE ppXMMt.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe ppXMMt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe ppXMMt.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe ppXMMt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe ppXMMt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE ppXMMt.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ppXMMt.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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4196 wrote to memory of 4656 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 84 PID 4196 wrote to memory of 4656 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 84 PID 4196 wrote to memory of 4656 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 84 PID 4196 wrote to memory of 3772 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 86 PID 4196 wrote to memory of 3772 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 86 PID 4196 wrote to memory of 3772 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 86 PID 4196 wrote to memory of 3772 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 86 PID 4196 wrote to memory of 3772 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 86 PID 4196 wrote to memory of 3772 4196 3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe 86 PID 4656 wrote to memory of 2416 4656 ppXMMt.exe 89 PID 4656 wrote to memory of 2416 4656 ppXMMt.exe 89 PID 4656 wrote to memory of 2416 4656 ppXMMt.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe"C:\Users\Admin\AppData\Local\Temp\3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196 -
C:\Users\Admin\AppData\Local\Temp\ppXMMt.exeC:\Users\Admin\AppData\Local\Temp\ppXMMt.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:4656 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\06c34805.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2416
-
-
-
C:\Users\Admin\AppData\Local\Temp\3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe"C:\Users\Admin\AppData\Local\Temp\3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773.exe"2⤵
- Checks SCSI registry key(s)
PID:3772
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WZ04RUV6\k2[1].rar
- Size 4B
- SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
- MD5 d3b07384d113edec49eaa6238ad5ff00
- SHA1 f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
- SHA512 0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\06c34805.bat
- Size 187B
- SHA256 9f993c6db32a86a70c179d6cf48fa2a639557980d55b223d800d4ff4ab8a1619
- MD5 755847cb21f2a13b20dd5456b33a95d5
- SHA1 1f9aacac2fdc788ecc6e892b50077fdded1aa4d1
- SHA512 081d99c245416891ae09975ce9981c326bd9800d3adcbf28e2e35ee81764ff4b3bd7ce7b224c7a20ce315e4849e5435a5146224228e7e5ae9c1924c2405c219c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\21F46600.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\ppXMMt.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP