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Analysis
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max time kernel
108s -
max time network
107s -
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, 20:23
Static task
static1
Behavioral task
behavioral1
Sample
7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe
Resource
win7-20241010-en
General
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Target
7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe
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Size
920KB
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MD5
77b83e48cf19b621fc0c2a3c8407d250
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SHA1
ebd580c9318a8ab52465ded78419a289cdcdd3d4
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SHA256
7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627
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SHA512
69676799f6cc4a92836e68b52eecbb9939a2cf216344b0b498cd5a12ac942e1d9dd8c75c5f30cdd9ad6247f729f997c4d4f19472bb55e554aa1ee53393ed1247
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SSDEEP
24576:3RKaPH2Z4nET7PIgOLoJNlVq4YmDWG9Dsl:35PHe+O1LPlU
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/3312-31-0x0000000000BE0000-0x0000000000BE9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0008000000023c74-3.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation HKLGBz.exe -
Executes dropped EXE 1 IoCs
pid Process 3312 HKLGBz.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE HKLGBz.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe HKLGBz.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe HKLGBz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe HKLGBz.exe File opened for modification C:\Program Files\7-Zip\7z.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe HKLGBz.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 HKLGBz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe HKLGBz.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE HKLGBz.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe HKLGBz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe HKLGBz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe HKLGBz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe HKLGBz.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe HKLGBz.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe HKLGBz.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe HKLGBz.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe HKLGBz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe HKLGBz.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe HKLGBz.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE HKLGBz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe HKLGBz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{F123CA10-B28F-434D-9884-6C3679B73C43}\chrome_installer.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe HKLGBz.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe HKLGBz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe HKLGBz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe HKLGBz.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 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HKLGBz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 460 wrote to memory of 3312 460 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe 83 PID 460 wrote to memory of 3312 460 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe 83 PID 460 wrote to memory of 3312 460 7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe 83 PID 3312 wrote to memory of 2740 3312 HKLGBz.exe 101 PID 3312 wrote to memory of 2740 3312 HKLGBz.exe 101 PID 3312 wrote to memory of 2740 3312 HKLGBz.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe"C:\Users\Admin\AppData\Local\Temp\7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Users\Admin\AppData\Local\Temp\HKLGBz.exeC:\Users\Admin\AppData\Local\Temp\HKLGBz.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:3312 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\359d32d4.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2740
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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
187B
MD572284c30714dda7b61d031188672e20e
SHA1c8372c9b2e2e16312d164b61418290c752a3175e
SHA256ae648ccad0b3176a241bd08d0bff04fea73dfa1fdf577fe7846ae75b26d8238d
SHA512e2452bd90879361ac00b03c8f2a903a61f2475e3266ec41ac4a6fa835f6caf5848e3faaafc51480d309ee089d04add04aee54e6ffd625aeb8732d63e23b08292
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e