Analysis
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max time kernel
148s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 10:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exe
Resource
win7-20240708-en
General
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Target
2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exe
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Size
208KB
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MD5
813a1f9837ba7a2bbe022f7f0346e356
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SHA1
a2b77c1d8a3658bb58fca8d5c2c750240ec8fc66
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SHA256
10a5bc4e9f18a775bfa2feccf8991a5c0264ece47e8e5254031a3b266bb6bad6
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SHA512
f9de70de63c7583154eff5aa7eb7cbf0898b929e775f315463c1eb182fd1241cb7c450a5a5e6c70c0b1664bffe01c9d597be4ccf705d3777be9c5412af86bbe0
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SSDEEP
3072:LW8KaJvnsgaSIwi/cJimz+zQzBYTBf9pAXAZPuYQOYGCH:Qkv1IHyz+zQeTBl2MuyF
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++.
Processes:
resource yara_rule behavioral2/memory/4432-46-0x0000000000830000-0x0000000000839000-memory.dmp family_bdaejec_backdoor -
Processes:
resource yara_rule behavioral2/files/0x000a000000023c1f-3.dat aspack_v212_v242 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
UREscC.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation UREscC.exe -
Executes dropped EXE 1 IoCs
Processes:
UREscC.exepid Process 4432 UREscC.exe -
Drops file in Program Files directory 64 IoCs
Processes:
UREscC.exedescription ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe UREscC.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe UREscC.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe UREscC.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE UREscC.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe UREscC.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe UREscC.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{AFD1DC19-D740-4861-ADFA-3BC6A9F6A223}\chrome_installer.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE UREscC.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe UREscC.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe UREscC.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe UREscC.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe UREscC.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe UREscC.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe UREscC.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe UREscC.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe UREscC.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe UREscC.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE UREscC.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe UREscC.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe UREscC.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe UREscC.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.
Processes:
2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exeUREscC.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UREscC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exeUREscC.exedescription pid Process procid_target PID 3124 wrote to memory of 4432 3124 2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exe 83 PID 3124 wrote to memory of 4432 3124 2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exe 83 PID 3124 wrote to memory of 4432 3124 2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exe 83 PID 4432 wrote to memory of 720 4432 UREscC.exe 87 PID 4432 wrote to memory of 720 4432 UREscC.exe 87 PID 4432 wrote to memory of 720 4432 UREscC.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-11_813a1f9837ba7a2bbe022f7f0346e356_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\Users\Admin\AppData\Local\Temp\UREscC.exeC:\Users\Admin\AppData\Local\Temp\UREscC.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:4432 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\53ab3548.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:720
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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
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
187B
MD53fedbe0fedca3646a1f81c3958141f96
SHA1918b619ec1ee21e3b59edd47413a3c7186806504
SHA256f8082ef91b9bdb35632e5600d373ce2e3ce6e86a88cb891801fbc51e3b8715f2
SHA51285fad85412d1fd86e508db3e0733f5d1195ecd638bda0ae04c68f73662418d7a1462f1796c5a60e22d882f5a8a1ee1ccd18c829481df84da07795dd9f33ad288
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e