Analysis
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max time kernel
106s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-12-2024 08:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe
Resource
win7-20240903-en
General
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Target
2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe
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Size
80KB
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MD5
bb27fcf0783de27cc76139c54d67a0ee
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SHA1
cbdf19cec1a85857609b860423b1c598a9d754fa
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SHA256
14d9d23b215a82324dd358bf08db3ad6a6e87d733e5bb2e4813c4b2d8979b7fd
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SHA512
e8d69c7227f46abeece3354ae2aa7a482a4e492b7e4dc5693218a2f5fb03e0e1cc04cd64d918592005e62d09b44b3268059b4fd2fe7d963b26de6e04b03fcddc
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SSDEEP
1536:RfnLq01weW5yX3jFxv49Nu4GhQ7NGCq2iW7z:Y3ysTGhQ5GCH
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/1492-8-0x00000000007C0000-0x00000000007C9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b36-3.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 aEOqAF.exe -
Executes dropped EXE 1 IoCs
pid Process 1492 aEOqAF.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe aEOqAF.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE aEOqAF.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe aEOqAF.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe aEOqAF.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 aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE aEOqAF.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe aEOqAF.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe aEOqAF.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{86C113DF-C14A-4A2D-BFB2-2F0FC039BBA8}\chrome_installer.exe aEOqAF.exe File opened for modification C:\Program Files\7-Zip\7z.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE aEOqAF.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe aEOqAF.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe aEOqAF.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe aEOqAF.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE aEOqAF.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe aEOqAF.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe aEOqAF.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 2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aEOqAF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2856 wrote to memory of 1492 2856 2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe 84 PID 2856 wrote to memory of 1492 2856 2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe 84 PID 2856 wrote to memory of 1492 2856 2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe 84 PID 1492 wrote to memory of 3928 1492 aEOqAF.exe 102 PID 1492 wrote to memory of 3928 1492 aEOqAF.exe 102 PID 1492 wrote to memory of 3928 1492 aEOqAF.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Users\Admin\AppData\Local\Temp\aEOqAF.exeC:\Users\Admin\AppData\Local\Temp\aEOqAF.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:1492 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\01bc01cf.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3928
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD525eb970c9255772dcc3201a86a9af386
SHA1197fc9038c39a81cdaeb3ee4b20013b137061103
SHA25648f60b8b4d1ac296bff1b8ac2eb2a4f9a413da708bbc481789f230f7282a4843
SHA51215fe074d5aba9615835a64e47fe73d1748a18f84b84a4f80e06a1a696244c68ee95d96fd3102113e8609612287d73bf69113534aabbd5a4d260e6b68778c3079
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e