Analysis
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max time kernel
143s -
max time network
124s -
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 22:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe
Resource
win7-20240903-en
windows7-x64
12 signatures
150 seconds
General
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Target
56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe
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Size
12.0MB
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MD5
5080c023f108d9e70b17efbfd9cc6033
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SHA1
2ef9c5a782a6ad3388dde14ee1c3195d0d90a6b2
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SHA256
56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f
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SHA512
73097fd168d4d5f5e39d9609430004ca35a8af2ca5aa488dd90c4fad0211c475a706a966f202fdde2ab505c24c783acf73741ca3c2f689a773d2027cfd5884fc
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SSDEEP
49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zrbQyiVoFTCTMqQ:s/KU9/pyJx9Y5elB0T
Malware Config
Extracted
Family
bdaejec
C2
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/4628-10-0x00000000003E0000-0x00000000003E9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000d000000023b6d-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation lAzndQ.exe -
Executes dropped EXE 1 IoCs
pid Process 4628 lAzndQ.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe lAzndQ.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 lAzndQ.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe lAzndQ.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe lAzndQ.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe lAzndQ.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe lAzndQ.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe lAzndQ.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE lAzndQ.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe lAzndQ.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe lAzndQ.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 lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE lAzndQ.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe lAzndQ.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe lAzndQ.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe lAzndQ.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe lAzndQ.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe lAzndQ.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe lAzndQ.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe lAzndQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe lAzndQ.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe lAzndQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe lAzndQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE lAzndQ.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe lAzndQ.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 56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lAzndQ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 428 56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 428 56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe 428 56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe 428 56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 428 wrote to memory of 4628 428 56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe 83 PID 428 wrote to memory of 4628 428 56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe 83 PID 428 wrote to memory of 4628 428 56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe 83 PID 4628 wrote to memory of 4528 4628 lAzndQ.exe 99 PID 4628 wrote to memory of 4528 4628 lAzndQ.exe 99 PID 4628 wrote to memory of 4528 4628 lAzndQ.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe"C:\Users\Admin\AppData\Local\Temp\56a5ec1654afb357d3533ae9cfa88c4323c4c90a726665ed89a2372edfc31e8f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:428 -
C:\Users\Admin\AppData\Local\Temp\lAzndQ.exeC:\Users\Admin\AppData\Local\Temp\lAzndQ.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:4628 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\592b0909.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD5f6aeefd2b3bac27ea521204f705402e0
SHA1de01a27c6198742ea81593060286639c6d9e22a4
SHA256442c071ce62039913c834b288d99df93166a22f01fa5d5d0e03e132240c5233a
SHA512454a5a351e837de1c336937c54668ce8623d82d44b9e399bfa22ceb47dcf8d9e5f8ca57b4926c387405e735af9f4ca1ae6d1ff25b17b44744a8a39ef947f2508
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e