Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-01-2025 01:52
Static task
static1
Behavioral task
behavioral1
Sample
749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe
Resource
win7-20240903-en
General
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Target
749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe
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Size
78KB
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MD5
d01f061bc423d62d2092897a33451900
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SHA1
a036fb42cf0d6d0ff6c48e1f8a05550e589a4c51
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SHA256
749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436
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SHA512
42529965c1fe901f737fe71479d64c9e58c9173934c5633e98f3deb9fa53c26281c20a3ceb5968df6c71d3919f8fa61e812d5b342e343f69b3d6bb47bc791776
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SSDEEP
768:Uwckfpik6qYXy7dMkIwzsWUHUpOCdoR+vMiHfdOae/QGPL4vzZq2o9W7GsxBbPr:xFfh7dGs3wqOCSR6MesaeYGCq2iW7z
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/1016-15-0x0000000000060000-0x0000000000069000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023bbe-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 LNuOql.exe -
Executes dropped EXE 1 IoCs
pid Process 1016 LNuOql.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe LNuOql.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE LNuOql.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe LNuOql.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe LNuOql.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe LNuOql.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe LNuOql.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe LNuOql.exe File opened for modification C:\Program Files\7-Zip\7zG.exe LNuOql.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe LNuOql.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe LNuOql.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE LNuOql.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE LNuOql.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe LNuOql.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe LNuOql.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe LNuOql.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe LNuOql.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{86C113DF-C14A-4A2D-BFB2-2F0FC039BBA8}\chrome_installer.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe LNuOql.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe LNuOql.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE LNuOql.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe LNuOql.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe LNuOql.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe LNuOql.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 749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LNuOql.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 516 749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe 516 749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 516 wrote to memory of 1016 516 749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe 83 PID 516 wrote to memory of 1016 516 749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe 83 PID 516 wrote to memory of 1016 516 749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe 83 PID 1016 wrote to memory of 3820 1016 LNuOql.exe 99 PID 1016 wrote to memory of 3820 1016 LNuOql.exe 99 PID 1016 wrote to memory of 3820 1016 LNuOql.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe"C:\Users\Admin\AppData\Local\Temp\749fc149009c66a4a953e2ed24d8996d2383af34563a56c1b89e21c79bc59436N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:516 -
C:\Users\Admin\AppData\Local\Temp\LNuOql.exeC:\Users\Admin\AppData\Local\Temp\LNuOql.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:1016 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\248f23a8.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3820
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD55d3c2cf176c59e514f3d43a680e4828f
SHA1c788b14837e21fd4ae9ceb666468c948dbc56942
SHA256de04c8784664ce27a37021a2a1a966602626838c15393c20ce2db46633f64334
SHA5121aee070eb761e88687c50ba87003375fd4a691187b7b99fa22e577b91a41e781ff084ee7297e252281aee77d95260b224a3b4c4b57dff4eaee35087d2780d2d5
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e