Analysis
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max time kernel
95s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-11-2024 07:03
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe
Resource
win7-20240903-en
General
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Target
2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe
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Size
215KB
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MD5
fd8bd55e7409aff75d2a679da3d3119b
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SHA1
874209c68ecb2f20c9c58138b6a016be0c08feb0
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SHA256
0e611596a659e76c0d8c8c51bd5ab6b0f242039ff198dba40c1848ba14181c2a
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SHA512
3362a7a4e2a3df77a3652044f2b3425f9c8e262462e4a00e4f6a0e16b4197c43410fe262df43aa7fbb9771467cb5b42a1f04092d8ac92d9a45e676b50b090c10
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SSDEEP
3072:R666SmGgfYMSLpt690O4EHIsxeqvrvuSUdybQHoAw3MVDdVY3KpGCH:R2SSI60OhHLjv1nt3Ks
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/4088-48-0x0000000000D60000-0x0000000000D69000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b35-3.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation SiOnHY.exe -
Executes dropped EXE 1 IoCs
pid Process 4088 SiOnHY.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7zG.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE SiOnHY.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE SiOnHY.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe SiOnHY.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe SiOnHY.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe SiOnHY.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe SiOnHY.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe SiOnHY.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe SiOnHY.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe SiOnHY.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe SiOnHY.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe SiOnHY.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe SiOnHY.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe SiOnHY.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe SiOnHY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE SiOnHY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe SiOnHY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe SiOnHY.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 2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SiOnHY.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2688 wrote to memory of 4088 2688 2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe 84 PID 2688 wrote to memory of 4088 2688 2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe 84 PID 2688 wrote to memory of 4088 2688 2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe 84 PID 4088 wrote to memory of 5116 4088 SiOnHY.exe 88 PID 4088 wrote to memory of 5116 4088 SiOnHY.exe 88 PID 4088 wrote to memory of 5116 4088 SiOnHY.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-16_fd8bd55e7409aff75d2a679da3d3119b_bkransomware_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Users\Admin\AppData\Local\Temp\SiOnHY.exeC:\Users\Admin\AppData\Local\Temp\SiOnHY.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:4088 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\58a90aff.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:5116
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
187B
MD51efb46100a704c8e28d5ca0b9d5fab44
SHA148de7bed4f8f2cdaad23af143213f9c2b828077c
SHA256e6cd1ba72ac9d41010a9f0168aae42e929c8f47a7da9a3f357e0338679e0b1b0
SHA51235293a8a81515506c3dd62b60392150bc9c51084ea4228b0b61565ce290d6f4731b72b8598dfb37ed5fe6fcdcf2bbfa9b9a4dbd0a6e3fe3328e6e693ddc4c948
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e