Analysis
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max time kernel
93s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-12-2024 11:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-28_7acf6527ef4bef7f7325a94c4d92c1f9.exe
Resource
win7-20240903-en
General
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Target
2024-12-28_7acf6527ef4bef7f7325a94c4d92c1f9.exe
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Size
80KB
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MD5
7acf6527ef4bef7f7325a94c4d92c1f9
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SHA1
8c39212f127dfe4c04b05f05b9e6759566ed207a
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SHA256
69e834be4264dab45e393e63952ae3b65f4e027a5928509c013b16175a43504b
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SHA512
9b44ea66ed3869c3454ec1882ca6a4d7ea8ff49a3c48908a8c90a48b1b6ca3488920b81a0d499849cdde6e1f4f43a4439bac2e96f819b8d8e626cd8c4b094b93
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SSDEEP
1536:Yg/6/tM8NXDjPX0QWlfGMckTQlXGCq2iW7z:Hk3U8kTQRGCH
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/3748-46-0x0000000000A20000-0x0000000000A29000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023ba4-3.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation sgKbPm.exe -
Executes dropped EXE 1 IoCs
pid Process 3748 sgKbPm.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE sgKbPm.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe sgKbPm.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe sgKbPm.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe sgKbPm.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe sgKbPm.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 sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE sgKbPm.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe sgKbPm.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe sgKbPm.exe File opened for modification C:\Program Files\7-Zip\7zG.exe sgKbPm.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe sgKbPm.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe sgKbPm.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe sgKbPm.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe sgKbPm.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe sgKbPm.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE sgKbPm.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe sgKbPm.exe File opened for modification C:\Program Files\7-Zip\7z.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe sgKbPm.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe sgKbPm.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe sgKbPm.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe sgKbPm.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe sgKbPm.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe sgKbPm.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe sgKbPm.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 2024-12-28_7acf6527ef4bef7f7325a94c4d92c1f9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sgKbPm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3300 wrote to memory of 3748 3300 2024-12-28_7acf6527ef4bef7f7325a94c4d92c1f9.exe 82 PID 3300 wrote to memory of 3748 3300 2024-12-28_7acf6527ef4bef7f7325a94c4d92c1f9.exe 82 PID 3300 wrote to memory of 3748 3300 2024-12-28_7acf6527ef4bef7f7325a94c4d92c1f9.exe 82 PID 3748 wrote to memory of 1304 3748 sgKbPm.exe 83 PID 3748 wrote to memory of 1304 3748 sgKbPm.exe 83 PID 3748 wrote to memory of 1304 3748 sgKbPm.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-28_7acf6527ef4bef7f7325a94c4d92c1f9.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-28_7acf6527ef4bef7f7325a94c4d92c1f9.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Users\Admin\AppData\Local\Temp\sgKbPm.exeC:\Users\Admin\AppData\Local\Temp\sgKbPm.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:3748 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\78af0de7.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1304
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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
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
187B
MD5a98d2e2f6950a4a0e0c031f26d38112c
SHA145177902f5db180a81e32990393379a56fffee62
SHA256273c93fba506c8f0bb194651942cff5315100e58bbd424076b0e9684be923a93
SHA512914d8caf878dade790854e04964434303a4d73c67a981eabff52719a242ec795e371832f74d31b317a348e5c3dfc86c5cc336c019c568e9d91c92c0d525dd5e2
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e