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Analysis
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max time kernel
96s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08/01/2025, 01:56
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe
Resource
win7-20240903-en
General
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Target
2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe
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Size
80KB
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MD5
ace412990d9ddfaadfeff468500c5d5a
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SHA1
367b0144cf565e0a3d2af2d33707b9be92c639b8
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SHA256
2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981
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SHA512
75ec579004dc8ecdffef028bafc1dd12c73b3226ec1ffc34f409658e3c876c12ee0640cf5670877f55efe4c68e99eeabfd856ca13317cd0f0e4827372b8ca67d
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SSDEEP
1536:Yg/6/tM8NXDjPX0QWlfGMckTQ25GCq2iW7z:Hk3U8kTQOGCH
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/2196-15-0x0000000000060000-0x0000000000069000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0008000000023cb8-3.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation BfXBcV.exe -
Executes dropped EXE 1 IoCs
pid Process 2196 BfXBcV.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe BfXBcV.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe BfXBcV.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe BfXBcV.exe File opened for modification C:\Program Files\7-Zip\7z.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe BfXBcV.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe BfXBcV.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe BfXBcV.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe BfXBcV.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe BfXBcV.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe BfXBcV.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe BfXBcV.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe BfXBcV.exe File opened for modification C:\Program Files\Windows Mail\wab.exe BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe BfXBcV.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe BfXBcV.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE BfXBcV.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe BfXBcV.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe BfXBcV.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe BfXBcV.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe BfXBcV.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe BfXBcV.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE BfXBcV.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 BfXBcV.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3572 wrote to memory of 2196 3572 2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe 83 PID 3572 wrote to memory of 2196 3572 2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe 83 PID 3572 wrote to memory of 2196 3572 2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe 83 PID 2196 wrote to memory of 2220 2196 BfXBcV.exe 100 PID 2196 wrote to memory of 2220 2196 BfXBcV.exe 100 PID 2196 wrote to memory of 2220 2196 BfXBcV.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Users\Admin\AppData\Local\Temp\BfXBcV.exeC:\Users\Admin\AppData\Local\Temp\BfXBcV.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:2196 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1fc63e53.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2220
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD5b9ca54b4015647d08defc4864c7ca3fb
SHA127045e5205177c00a7e8883ba234cbdd518ba153
SHA256a2939b8d74114e237276bdf484c5bce09968a7583f588142c93e8ed8211b91f4
SHA512f171c54ccfcb227a063448ce1c8e89f981a5b4b1b529cb260e5ce6f520e26bf28885050d53a0fe362a39692a979ebfd58de97ce3baaff8ab4cf170dfc0c8c255
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e