Analysis
- max time kernel
141s - max time network
127s - 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, 22:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe
Resource
win7-20240704-en
windows7-x64
9 signatures
150 seconds
General
- Target D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe
- Size 240KB
- Sample240724-1ycnessfng
- SHA256 d1a9c6c28f219d7b43fc71877a272679f1bfb66c27198719e6880869b8642152
- MD5 98c0a1e82bc185c2fbca14f07821247e
- SHA1 658a8fb432a2dc5507926f829a2482fdd41d6eb9
- SHA512 f7b8ee9125589189af9ab71c0648bdea8b360255c2e2c1e25a72e1260d3a138ade4c42f7caa9ff5d9e1fb0da852ba7409bcd59625a219a3c3627f7cebb86bd01
- SSDEEP 1536:A7K9JehHT6H/odGkD2+vrd0O9T2DwI1nwgrYcGLDXBLEh5snnKCRYLzetWGCq2iM:A7K9JPoTp1I1wgrYcGL1g5sndoiIGCH
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub2
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
-
resource yara_rule behavioral2/files/0x0009000000023445-3.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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation mOCvkh.exe - Executes dropped EXE 1 IoCs
pid Process 3192 mOCvkh.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 396 set thread context of 3968 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 88 - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe mOCvkh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe mOCvkh.exe File opened for modification C:\Program Files\7-Zip\7zG.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe mOCvkh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe mOCvkh.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE mOCvkh.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe mOCvkh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe mOCvkh.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe mOCvkh.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 mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE mOCvkh.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.106\chrome_installer.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe mOCvkh.exe File opened for modification C:\Program Files\7-Zip\7z.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe mOCvkh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe mOCvkh.exe File opened for modification C:\Program Files\dotnet\dotnet.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe mOCvkh.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe mOCvkh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe mOCvkh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe mOCvkh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe mOCvkh.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe mOCvkh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE mOCvkh.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mOCvkh.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 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 396 wrote to memory of 3192 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 84 PID 396 wrote to memory of 3192 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 84 PID 396 wrote to memory of 3192 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 84 PID 396 wrote to memory of 3968 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 88 PID 396 wrote to memory of 3968 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 88 PID 396 wrote to memory of 3968 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 88 PID 396 wrote to memory of 3968 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 88 PID 396 wrote to memory of 3968 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 88 PID 396 wrote to memory of 3968 396 D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe 88 PID 3192 wrote to memory of 3120 3192 mOCvkh.exe 89 PID 3192 wrote to memory of 3120 3192 mOCvkh.exe 89 PID 3192 wrote to memory of 3120 3192 mOCvkh.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe"C:\Users\Admin\AppData\Local\Temp\D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Users\Admin\AppData\Local\Temp\mOCvkh.exeC:\Users\Admin\AppData\Local\Temp\mOCvkh.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:3192 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3cd840ee.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3120
-
-
-
C:\Users\Admin\AppData\Local\Temp\D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe"C:\Users\Admin\AppData\Local\Temp\D9B72DA68DB9EB3D54BFD70C71F9A07EF222B7D9662DE35E74BA080B473DF4E2.exe"2⤵
- Checks SCSI registry key(s)
PID:3968
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MDMHN06X\k2[1].rar
- Size 4B
- SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
- MD5 d3b07384d113edec49eaa6238ad5ff00
- SHA1 f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
- SHA512 0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\3cd840ee.bat
- Size 187B
- SHA256 8fb2879c7f520031653d765bb12091e877eec04240cd5223fd728e4104261fbe
- MD5 7ff16f05fb57ef085f31c75b926f3e97
- SHA1 ed5086591aaa076f9b87dd1b73f10e7fafea6620
- SHA512 82ace5fc370458e2de49b01da8280fd8f6fe94ee6b6f29e58707ff9545025c9ab0a7c1900ffe2f8cd91e00fffdad39bb04722efd891195efc25df8b1dbcb44d3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\4ED41A8C.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\mOCvkh.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP