Analysis
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max time kernel
140s -
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
27-12-2024 18:43
Static task
static1
Behavioral task
behavioral1
Sample
181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe
Resource
win7-20240903-en
General
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Target
181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe
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Size
202KB
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MD5
9db0401dcc9907bddd9881fdf349786a
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SHA1
8ae576bd63587812a95cbbe00c55f8fd9d085ef2
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SHA256
181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54
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SHA512
680f10daeddf41a52af922d86425add27dce7a5027f7148e0fb0998340266c9a9aca77a60af6c2b8b597e5a3792686f95c3ba6b4215f476b19bd6dc206e31766
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SSDEEP
3072:SRJvubtBhMsZJRsDiD1VEPrtCxY7fsXK0wwFRyPA6ggTdrbqXYeOMj8Cnvzout:S7vghcDiD3utCxY7Ubn6ggByIu37oS
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Blackmoon family
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Detect Blackmoon payload 1 IoCs
resource yara_rule behavioral2/memory/3304-7-0x0000000000400000-0x00000000004F2000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/3704-9-0x0000000000FC0000-0x0000000000FC9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000a000000023c66-4.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 bmdXVk.exe -
Executes dropped EXE 1 IoCs
pid Process 3704 bmdXVk.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe bmdXVk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe bmdXVk.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe bmdXVk.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe bmdXVk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe bmdXVk.exe File opened for modification C:\Program Files\7-Zip\7zG.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe bmdXVk.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe bmdXVk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe bmdXVk.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe bmdXVk.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe bmdXVk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe bmdXVk.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{1E8F5DDF-3FB3-4332-A4CC-B46FF6E6899A}\chrome_installer.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe bmdXVk.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe bmdXVk.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe bmdXVk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe bmdXVk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe bmdXVk.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe bmdXVk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe bmdXVk.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 bmdXVk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3304 181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3304 wrote to memory of 3704 3304 181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe 82 PID 3304 wrote to memory of 3704 3304 181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe 82 PID 3304 wrote to memory of 3704 3304 181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe 82 PID 3704 wrote to memory of 1512 3704 bmdXVk.exe 92 PID 3704 wrote to memory of 1512 3704 bmdXVk.exe 92 PID 3704 wrote to memory of 1512 3704 bmdXVk.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe"C:\Users\Admin\AppData\Local\Temp\181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3304 -
C:\Users\Admin\AppData\Local\Temp\bmdXVk.exeC:\Users\Admin\AppData\Local\Temp\bmdXVk.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:3704 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\56614db2.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1512
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD57bf55b081a3388b4199d9842485969dc
SHA1bdd50bd2ad6ff2cb9f270132bec8a661c3291498
SHA2562c9e90d7cee1dbc75c604085f2b7b003b166f6da8641035b4ac99792dc96eeaf
SHA512f5197efc200f847545395d62cbf4d348b43dec2586ef7675eea9650cfbe33ef4f51bd7e6525b00f079a9a7caa01362701109845f82111ba0a94d6ab1fdef7efc
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e