Analysis
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max time kernel
125s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-12-2024 13:18
Static task
static1
Behavioral task
behavioral1
Sample
5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe
Resource
win7-20240708-en
General
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Target
5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe
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Size
14.9MB
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MD5
14b4666448134224bfd44d2f6c248872
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SHA1
4ab14ff17dd9dafabdf3ab131eda4735f85920ee
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SHA256
5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242
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SHA512
18c756db39a72160e3714a69281d86195ed7069e128afce43756c0d3c55d633674cd5b06d782ff7ff0f4c2490b7c992533238cb9178b4536d0f0b3aa802b2548
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SSDEEP
196608:RWzxiAZQGSVyUxHOmzdUG35rZODxge3Hub7WLvlAXOpKwdou2rTX+0O/:AqGSVRHT2GprZU3eUvhKwdoPX+0A
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Detects Bdaejec Backdoor. 2 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/4772-6-0x0000000000C20000-0x0000000000C29000-memory.dmp family_bdaejec_backdoor behavioral2/memory/4772-80-0x0000000000C20000-0x0000000000C29000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b5f-2.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation cBxg.exe -
Executes dropped EXE 1 IoCs
pid Process 4772 cBxg.exe -
resource yara_rule behavioral2/memory/740-33-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-52-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-53-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-49-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-47-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-46-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-43-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-39-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-37-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-36-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-31-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-23-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-21-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-20-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-15-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-13-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-29-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-27-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-25-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-17-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-11-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-9-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-8-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-7-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/740-79-0x0000000010000000-0x000000001003F000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE cBxg.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe cBxg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe cBxg.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe cBxg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe cBxg.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 cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe cBxg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe cBxg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe cBxg.exe File opened for modification C:\Program Files\dotnet\dotnet.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe cBxg.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe cBxg.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe cBxg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe cBxg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe cBxg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe cBxg.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe cBxg.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe cBxg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE cBxg.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe cBxg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe cBxg.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE cBxg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe cBxg.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE cBxg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe cBxg.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe cBxg.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe cBxg.exe File opened for modification C:\Program Files\Windows Mail\wab.exe cBxg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe cBxg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe cBxg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe cBxg.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe cBxg.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe cBxg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe cBxg.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe cBxg.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe cBxg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe cBxg.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe cBxg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe cBxg.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe cBxg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe cBxg.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 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cBxg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 740 wrote to memory of 4772 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe 82 PID 740 wrote to memory of 4772 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe 82 PID 740 wrote to memory of 4772 740 5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe 82 PID 4772 wrote to memory of 1100 4772 cBxg.exe 92 PID 4772 wrote to memory of 1100 4772 cBxg.exe 92 PID 4772 wrote to memory of 1100 4772 cBxg.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe"C:\Users\Admin\AppData\Local\Temp\5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Users\Admin\AppData\Local\Temp\cBxg.exeC:\Users\Admin\AppData\Local\Temp\cBxg.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:4772 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\33dc774a.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1100
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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
183B
MD5dd823a7b2abdeba2a50415115d91d7ce
SHA1e139404ce5ca00a77918d05f0d962bebec6ae0df
SHA256b72e58871e4efac4a97ae7c0456430cd5033690023c2fdf84581d128e534b947
SHA5122d50648dedec4bd5f30be195509a346a5b2bfb072d46eec19e643f741dfde47235752eaee9e053a569f6ada5b96ada5fd503eaaf915c1ba906956bf686436ea9
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e