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Analysis
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max time kernel
106s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2024, 17:46
Static task
static1
Behavioral task
behavioral1
Sample
ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe
Resource
win7-20240903-en
General
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Target
ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe
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Size
510KB
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MD5
f786dd4800f09abe67a76b18fe7a482d
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SHA1
a8afd8254553f6394f79ffe28280143e7cfa19e3
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SHA256
ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854
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SHA512
353609aef28d65f34a2c06eb9c72122123084c0fc9b8bed2708f8c4202ade1c7c355b27ac22b35f20ae496f46d242dd0ab17ebe4b35a9b4d8c70dcb703044253
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SSDEEP
12288:deO4ivVb83+hs/c8NViqI4+EiZVeRrs7ngjK8JxddvxDcMGk4J2M0Tf:L4Wdhs/tmV4+EjXKsgMGk4J/0Tf
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/3656-9-0x0000000000180000-0x0000000000189000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b84-3.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation qSzcQM.exe -
Executes dropped EXE 1 IoCs
pid Process 3656 qSzcQM.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe qSzcQM.exe File opened for modification C:\Program Files\Windows Mail\wab.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe qSzcQM.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe qSzcQM.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe qSzcQM.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe qSzcQM.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 qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE qSzcQM.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe qSzcQM.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe qSzcQM.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe qSzcQM.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe qSzcQM.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe qSzcQM.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe qSzcQM.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe qSzcQM.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe qSzcQM.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe qSzcQM.exe File opened for modification C:\Program Files\7-Zip\7zG.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe qSzcQM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe qSzcQM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe qSzcQM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe qSzcQM.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 ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qSzcQM.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2872 wrote to memory of 3656 2872 ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe 86 PID 2872 wrote to memory of 3656 2872 ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe 86 PID 2872 wrote to memory of 3656 2872 ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe 86 PID 3656 wrote to memory of 2988 3656 qSzcQM.exe 104 PID 3656 wrote to memory of 2988 3656 qSzcQM.exe 104 PID 3656 wrote to memory of 2988 3656 qSzcQM.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe"C:\Users\Admin\AppData\Local\Temp\ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Users\Admin\AppData\Local\Temp\qSzcQM.exeC:\Users\Admin\AppData\Local\Temp\qSzcQM.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:3656 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2f4e30b6.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2988
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD525a85ee331190a0cab2174d681790c7f
SHA11dee0776e12340b36f6422c3a826c52bf2629f6f
SHA256cc6f057236f6c1b23870b58a780129746dee7970f813d48908b333a34f83eda1
SHA5121b67dff5b783d8753286bd9bc2826d0f91c1a37e7d9ecdcbbf59f0a14dcee757c322cadd7592e5e8fc4a1cfbbddb6a75f0e93aa7165b9b5e08b04027e14a8f9f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e