Analysis
- max time kernel
135s - max time network
129s - 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, 04:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe
Resource
win7-20240708-en
windows7-x64
8 signatures
150 seconds
General
- Target 87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe
- Size 247KB
- Sample240725-e3lk8s1gra
- SHA256 87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502
- MD5 1615bdfebdbc5463d6a8c6fb8589cd07
- SHA1 5bc8cd21db5f68d16f832c855dfd9d4664d254d3
- SHA512 d1fa6f0275a6d611fb1911b54faff4487e1361ff7b2ee8c7d61caf563d22af5f92d1f5bf7cccec005f27617c5dfb0fc05674f64f78084d7870023279c5cd2b85
- SSDEEP 3072:SC9tVNVHcEajP9MQn0cw5xG5bfg/RzoF3GCH:SWjNzajP9rn0cw5xwf8RUI
- 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/0x000900000002349f-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-1-5-21-47134698-4092160662-1261813102-1000\Control Panel\International\Geo\Nation aOzGQv.exe - Executes dropped EXE 1 IoCs
pid Process 184 aOzGQv.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe aOzGQv.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe aOzGQv.exe File opened for modification C:\Program Files\7-Zip\7zG.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe aOzGQv.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe aOzGQv.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe aOzGQv.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe aOzGQv.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe aOzGQv.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe aOzGQv.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe aOzGQv.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe aOzGQv.exe File opened for modification C:\Program Files\dotnet\dotnet.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe aOzGQv.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 aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe aOzGQv.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe aOzGQv.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe aOzGQv.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe aOzGQv.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 aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE aOzGQv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe aOzGQv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe aOzGQv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe aOzGQv.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 3528 1240 WerFault.exe 83 - 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 87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aOzGQv.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 87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1240 wrote to memory of 184 1240 87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe 84 PID 1240 wrote to memory of 184 1240 87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe 84 PID 1240 wrote to memory of 184 1240 87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe 84 PID 184 wrote to memory of 3124 184 aOzGQv.exe 85 PID 184 wrote to memory of 3124 184 aOzGQv.exe 85 PID 184 wrote to memory of 3124 184 aOzGQv.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe"C:\Users\Admin\AppData\Local\Temp\87acab3204f5e66bac9dcbf33c8c071491351c583652974886981d729bfb2502.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Users\Admin\AppData\Local\Temp\aOzGQv.exeC:\Users\Admin\AppData\Local\Temp\aOzGQv.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:184 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0ee35633.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3124
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 3602⤵
- Program crash
PID:3528
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1240 -ip 12401⤵PID:3896
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5HI12B12\k2[1].rar
- Size 4B
- SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
- MD5 d3b07384d113edec49eaa6238ad5ff00
- SHA1 f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
- SHA512 0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\0ee35633.bat
- Size 187B
- SHA256 ed82f0424e2f86963f2673e79448c4b8b40e304ec084ea6576680bea662fe6ba
- MD5 f1101e3f2787b36f856755faa918093f
- SHA1 57ab3e0fc9937456d81c9fa69d80fdf1786fd405
- SHA512 294868bce18ca787514ef3ce08d88fecfb622192079443702f0c3ef18528a8413e8d67fed9b204e4d87f4d8accc65dee35a26f63c783e8a8d9be2ff7249dc4fc
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\649F7C28.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\aOzGQv.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP