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Analysis
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max time kernel
94s -
max time network
95s -
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, 08:07
Static task
static1
Behavioral task
behavioral1
Sample
bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe
Resource
win7-20240903-en
General
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Target
bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe
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Size
96KB
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MD5
ca68fc0f50ef68ba3f9a2bf45c065790
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SHA1
3bbf4ec8c78b5c92cf37c8b492c670c5bcbe5b53
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SHA256
bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0
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SHA512
271060a40ac97290e4f0bee17855a387cdeee26b427bb3f4f3a51b6316e01d7821321998b6e441cdbd33f82bc25a4b68853c208abb4c88b31df49ea134a709ba
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SSDEEP
1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK1PiGCq2iW7z:pJLrp0cQ7QAINqPDHQnchGCH
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/3820-39-0x0000000000220000-0x0000000000229000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000b000000023bb0-3.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation aAFgrKW.exe -
Executes dropped EXE 1 IoCs
pid Process 3820 aAFgrKW.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE aAFgrKW.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe aAFgrKW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe aAFgrKW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe aAFgrKW.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe aAFgrKW.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE aAFgrKW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe aAFgrKW.exe File opened for modification C:\Program Files\7-Zip\7zG.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe aAFgrKW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE aAFgrKW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe aAFgrKW.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE aAFgrKW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe aAFgrKW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe aAFgrKW.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe aAFgrKW.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe aAFgrKW.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe aAFgrKW.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE aAFgrKW.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe aAFgrKW.exe File opened for modification C:\Program Files\dotnet\dotnet.exe aAFgrKW.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe aAFgrKW.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE aAFgrKW.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe aAFgrKW.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 bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aAFgrKW.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2308 wrote to memory of 3820 2308 bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe 82 PID 2308 wrote to memory of 3820 2308 bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe 82 PID 2308 wrote to memory of 3820 2308 bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe 82 PID 3820 wrote to memory of 2164 3820 aAFgrKW.exe 83 PID 3820 wrote to memory of 2164 3820 aAFgrKW.exe 83 PID 3820 wrote to memory of 2164 3820 aAFgrKW.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe"C:\Users\Admin\AppData\Local\Temp\bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Users\Admin\AppData\Local\Temp\aAFgrKW.exeC:\Users\Admin\AppData\Local\Temp\aAFgrKW.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:3820 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2e6213c3.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2164
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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
189B
MD52acbded8394bbf5c254ae204bd9067cd
SHA1047b60795ccb940b8feb6df710b7e26b85ea20ec
SHA2560d8224f21f8ebc8c60d168ad944130c9dee86d5ce0ea6d8d28a61ac94d6a0b0a
SHA5121f8b14a8b47ca901aa663883c6cb19e5e5cd84607c29df327b5df5934d8c65fe5504869a1b20e429a0de50c62297ba4b062e143f577e5bd50640a478e7e6130c
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e