Analysis
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max time kernel
92s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-01-2025 11:04
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe
Resource
win7-20241010-en
General
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Target
2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe
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Size
80KB
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MD5
f97388013ec5702c105f8278c6495fc2
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SHA1
d7f32fd53cb57790b49ff969b3154506e884ed9d
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SHA256
0cac31471a327bf4a3b2ee276dad5e576ca6432c31db0768a246d0e7e0eb285b
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SHA512
ca09b19cf266c23ee145cc1fb3ba30cd600c86936bd6511b26fdcf5bd123051c6fcdd67fced72634f63215e106c9aaf5ebd2258f767378aa7f4a6129eae1a487
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SSDEEP
1536:RfnLq01weW5yX3jFxv49Nu4GhQ5RGCq2iW7z:Y3ysTGhQrGCH
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/3476-47-0x00000000002B0000-0x00000000002B9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0009000000023b01-3.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation cxWyN.exe -
Executes dropped EXE 1 IoCs
pid Process 3476 cxWyN.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe cxWyN.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe cxWyN.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 cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe cxWyN.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE cxWyN.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe cxWyN.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe cxWyN.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe cxWyN.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe cxWyN.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe cxWyN.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe cxWyN.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe cxWyN.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe cxWyN.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe cxWyN.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe cxWyN.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe cxWyN.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe cxWyN.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe cxWyN.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe cxWyN.exe File opened for modification C:\Program Files\7-Zip\7z.exe cxWyN.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe cxWyN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe cxWyN.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe cxWyN.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 2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cxWyN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1708 wrote to memory of 3476 1708 2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe 84 PID 1708 wrote to memory of 3476 1708 2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe 84 PID 1708 wrote to memory of 3476 1708 2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe 84 PID 3476 wrote to memory of 4468 3476 cxWyN.exe 85 PID 3476 wrote to memory of 4468 3476 cxWyN.exe 85 PID 3476 wrote to memory of 4468 3476 cxWyN.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Users\Admin\AppData\Local\Temp\cxWyN.exeC:\Users\Admin\AppData\Local\Temp\cxWyN.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:3476 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5db609bc.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4468
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
185B
MD532968a14dc4e2e0942cdf2d80bd429b2
SHA17f5f03ab44eb8af1d6d7dba13be2c0e5f33a2c0a
SHA25673fc703ae2d9dea34585127adc0ca2efdb1a2139167345308f0d03598cd3f8fd
SHA5123a1ebabbd268cd7740c46e07748343a4a64e4821319f86d8fb4be4cda5d659b3d3fc77334f874a0f2e73fc1d4f34901f0a9a678545dd93ce74cbeb74aa253794
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e