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Analysis
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max time kernel
106s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2024, 02:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe
Resource
win7-20240903-en
General
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Target
2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe
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Size
80KB
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MD5
f380e3b07a978217ea36a5cfe57925f3
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SHA1
66ab8c30a5c210ed1cb75c27b17261038bec84e3
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SHA256
e702112125d32124da6cad51252e76ef34d75dda27a0c965625988ace8622dcf
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SHA512
3d1ef17ed64b64ebfe161e3fc5b4c16f0f448a4420de80a548e66e8007a7ed029b4759a1749f2daf02908fdfe9779cb140c91b6de1b4bdb45a3dcfac272baa0e
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SSDEEP
1536:vfnLq01weW5yX3jFxv49Nu4GhQ+VGCq2iW7z:u3ysTGhQaGCH
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/4104-8-0x0000000000A20000-0x0000000000A29000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b81-3.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 AfKCSz.exe -
Executes dropped EXE 1 IoCs
pid Process 4104 AfKCSz.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE AfKCSz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe AfKCSz.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe AfKCSz.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe AfKCSz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE AfKCSz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe AfKCSz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe AfKCSz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE AfKCSz.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe AfKCSz.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe AfKCSz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe AfKCSz.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe AfKCSz.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe AfKCSz.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe AfKCSz.exe File opened for modification C:\Program Files\dotnet\dotnet.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe AfKCSz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe AfKCSz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe AfKCSz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe AfKCSz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE AfKCSz.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 2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AfKCSz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3748 wrote to memory of 4104 3748 2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe 83 PID 3748 wrote to memory of 4104 3748 2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe 83 PID 3748 wrote to memory of 4104 3748 2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe 83 PID 4104 wrote to memory of 4632 4104 AfKCSz.exe 93 PID 4104 wrote to memory of 4632 4104 AfKCSz.exe 93 PID 4104 wrote to memory of 4632 4104 AfKCSz.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Users\Admin\AppData\Local\Temp\AfKCSz.exeC:\Users\Admin\AppData\Local\Temp\AfKCSz.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:4104 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\002a6a18.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4632
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD531f17afa197d3ffd275e109288fc874d
SHA10e8ffa74fc960805d6132d5ee074ccdc0b33c819
SHA256edb5b8155ab4adc1e221306ff0b63953249de3b4fec325953814e30323c11e72
SHA51241a3e796df0ac7135d518867c1ad54faf2645af159809de4d954684b1ba1661295366d611f580567cb2ac9a79519a1bc77b098addf38403c01c2d8548595efb4
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e