Analysis
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max time kernel
140s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-12-2024 08:45
Static task
static1
Behavioral task
behavioral1
Sample
5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707.exe
Resource
win7-20240903-en
General
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Target
5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707.exe
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Size
689KB
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MD5
4b4b3d3a81f49ec91746df91983eb6ed
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SHA1
799aa987609344474e4ce81860b74bcad3a0f7da
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SHA256
5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707
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SHA512
61627b3c38f53b8b5ae9bd2ba6e733a1fc4b1c7c5f00e612af8aa092049a4191d62d5f797d478e69134cfb6732ba71fa853cccab3eee222d0a970af184a2fdce
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SSDEEP
12288:jwxo2mphXDBEoUCQ0o1WYwQQ5n4MWEOl3GFxCoXUSIfOseoS:jwi2GXNfJ5BS2FxCvS
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/3672-47-0x0000000000400000-0x000000000056B000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/3832-45-0x0000000000430000-0x0000000000439000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0008000000023c8e-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation MuOaBG.exe -
Executes dropped EXE 1 IoCs
pid Process 3832 MuOaBG.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE MuOaBG.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe MuOaBG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe MuOaBG.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe MuOaBG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe MuOaBG.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe MuOaBG.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe MuOaBG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe MuOaBG.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe MuOaBG.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe MuOaBG.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe MuOaBG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe MuOaBG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe MuOaBG.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe MuOaBG.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe MuOaBG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe MuOaBG.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe MuOaBG.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe MuOaBG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe MuOaBG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe MuOaBG.exe File opened for modification C:\Program Files\dotnet\dotnet.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE MuOaBG.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe MuOaBG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe MuOaBG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe MuOaBG.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 5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MuOaBG.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3672 5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3672 wrote to memory of 3832 3672 5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707.exe 83 PID 3672 wrote to memory of 3832 3672 5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707.exe 83 PID 3672 wrote to memory of 3832 3672 5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707.exe 83 PID 3832 wrote to memory of 3684 3832 MuOaBG.exe 84 PID 3832 wrote to memory of 3684 3832 MuOaBG.exe 84 PID 3832 wrote to memory of 3684 3832 MuOaBG.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707.exe"C:\Users\Admin\AppData\Local\Temp\5dcc8a23b03a2bc71fca35c3cc1963c3f73df8869f27966f81abf39bf710c707.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Users\Admin\AppData\Local\Temp\MuOaBG.exeC:\Users\Admin\AppData\Local\Temp\MuOaBG.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:3832 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4bbe1d57.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3684
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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
187B
MD5eaa7acacdaca7589c7c10067d80f95a0
SHA10c5f272206b947c1e2c9fc399181f59583f19996
SHA256a18b2761a7b74ed1e1f984f530921193af49e33dfab40571e1ff1701f2ad1d30
SHA512d8001659f1e75dbcea5f0829a1e29510907387f9304dbacb61eee156a3c85e53147b4576b3095c1ef8a5fef94b3270ff95c47ef704c8cf8412481b055b8fc0c1
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e