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Analysis
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max time kernel
108s -
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
30/12/2024, 23:17
Static task
static1
Behavioral task
behavioral1
Sample
251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe
Resource
win7-20240708-en
General
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Target
251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe
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Size
141KB
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MD5
7fcd8e159eee00ae5910d2dcf2ae2e10
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SHA1
69422baa84641f3d1117f09fb0d461068977c266
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SHA256
251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebb
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SHA512
722bb0115a98cbe18d0e568f18f953192e4052d8e4d23c4bafa2b99d5ea7af5a05cda7acd07d17dbc4d829120e0c35f571eb671ccd2e2d2eca6898f90475bf63
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SSDEEP
1536:BKnrXO3fbLMkihYSVRHSKv2UV9MsPJ+ff0XdBch52KYopz871GCq2iW7z:B3TLsbrR3V9JZtS52KYopz85GCH
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/5036-29-0x0000000000520000-0x0000000000529000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b30-3.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 Hse.exe -
Executes dropped EXE 1 IoCs
pid Process 5036 Hse.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE Hse.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe Hse.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe Hse.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe Hse.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe Hse.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe Hse.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe Hse.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe Hse.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe Hse.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe Hse.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe Hse.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe Hse.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe Hse.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe Hse.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe Hse.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe Hse.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe Hse.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe Hse.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe Hse.exe File opened for modification C:\Program Files\7-Zip\7zG.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe Hse.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe Hse.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe Hse.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe Hse.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe Hse.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 251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Hse.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1360 wrote to memory of 5036 1360 251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe 82 PID 1360 wrote to memory of 5036 1360 251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe 82 PID 1360 wrote to memory of 5036 1360 251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe 82 PID 5036 wrote to memory of 3672 5036 Hse.exe 92 PID 5036 wrote to memory of 3672 5036 Hse.exe 92 PID 5036 wrote to memory of 3672 5036 Hse.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe"C:\Users\Admin\AppData\Local\Temp\251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Users\Admin\AppData\Local\Temp\Hse.exeC:\Users\Admin\AppData\Local\Temp\Hse.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:5036 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\65c1267f.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3672
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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
181B
MD55253f4330c142e8daac02b74764e00fa
SHA13220b5f4fe7d4236633f276f8aea750976da852c
SHA256bc2b85c36664e03ec5c527e8a747d431708eda32202bb1a32b11770a8ba1c1a8
SHA51242658a50768af26baf8bb320471599e0d7682ce9d238757dadd25fb16239fe34c61d2c7bd2a1f3370811f52b29f4e759a7deb2afb36947403b4f3d1c25f754b0
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e