Analysis
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max time kernel
93s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2024 20:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-25_f1a8afb41cf4bb33a3bab1301cab5cff_smoke-loader_wapomi.exe
Resource
win7-20240903-en
General
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Target
2024-12-25_f1a8afb41cf4bb33a3bab1301cab5cff_smoke-loader_wapomi.exe
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Size
80KB
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MD5
f1a8afb41cf4bb33a3bab1301cab5cff
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SHA1
505aeb60bf72aa797268995e94a357e3dac0fcf2
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SHA256
7bae3c65706a1308eae8d13e68ebd4ad8885eac16cf2192d2a9675a51b44cd44
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SHA512
812e915759e927023404afee9298cf204cc9f2467afc1894f208aa12cbc999530a171179e5e663fc3e6916ba170c34c3cbe84ea4f7c53c17a0787584ab27e0a5
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SSDEEP
1536:vfnLq01weW5yX3jFxv49Nu4GhQOfGCq2iW7z:u3ysTGhQcGCH
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/3680-46-0x00000000008C0000-0x00000000008C9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b1b-5.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation DZWQLd.exe -
Executes dropped EXE 1 IoCs
pid Process 3680 DZWQLd.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe DZWQLd.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe DZWQLd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe DZWQLd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe DZWQLd.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe DZWQLd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe DZWQLd.exe File opened for modification C:\Program Files\UndoRevoke.exe DZWQLd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE DZWQLd.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe DZWQLd.exe File opened for modification C:\Program Files\dotnet\dotnet.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe DZWQLd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE DZWQLd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe DZWQLd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe DZWQLd.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe DZWQLd.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe DZWQLd.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE DZWQLd.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{CA9E0780-5A2C-43F8-9E63-52BCB11A02D4}\chrome_installer.exe DZWQLd.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe DZWQLd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe DZWQLd.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe DZWQLd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe DZWQLd.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe DZWQLd.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe DZWQLd.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe DZWQLd.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe DZWQLd.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe DZWQLd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe DZWQLd.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE DZWQLd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe DZWQLd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe DZWQLd.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 2024-12-25_f1a8afb41cf4bb33a3bab1301cab5cff_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DZWQLd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1100 wrote to memory of 3680 1100 2024-12-25_f1a8afb41cf4bb33a3bab1301cab5cff_smoke-loader_wapomi.exe 83 PID 1100 wrote to memory of 3680 1100 2024-12-25_f1a8afb41cf4bb33a3bab1301cab5cff_smoke-loader_wapomi.exe 83 PID 1100 wrote to memory of 3680 1100 2024-12-25_f1a8afb41cf4bb33a3bab1301cab5cff_smoke-loader_wapomi.exe 83 PID 3680 wrote to memory of 1168 3680 DZWQLd.exe 84 PID 3680 wrote to memory of 1168 3680 DZWQLd.exe 84 PID 3680 wrote to memory of 1168 3680 DZWQLd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-25_f1a8afb41cf4bb33a3bab1301cab5cff_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-25_f1a8afb41cf4bb33a3bab1301cab5cff_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Users\Admin\AppData\Local\Temp\DZWQLd.exeC:\Users\Admin\AppData\Local\Temp\DZWQLd.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:3680 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3dd52ef0.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1168
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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
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
187B
MD529d575fbf6142337454dc866bcf3edab
SHA1652f82595b7b8dcbdf1e2d10ce90dde190c97529
SHA25635cf91e01490121bf0815d0c55ffe7715450a0a077b27cc38ceafd9647daec3e
SHA512f814c69002674a6764f06622ad4dd9a2e903247d9c507e2fc4e62fbe7e420f1ab6f8cbe8144a84f43e0019668965c1a8201712a071595284c23d7ef2a32a8bc0
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e