Analysis
- 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
08/01/2025, 10:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe
Resource
win7-20240729-en
windows7-x64
10 signatures
150 seconds
General
- Target 2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe
- Size 80KB
- Sample250108-meyvnawkft
- SHA256 71d62ba662ba5220d5b0406d5005888d333aa2470cc437077627a7340e1d68a4
- MD5 7704419fd579bfdc1388adadef8d2907
- SHA1 3355e0bc95f6358d63c6627c23802bc180384fd9
- SHA512 2a37146e6f64fbc166e2d126a27cf13ad682848d8f0cd31380395ba7879b6d88cc51764ca98e17857de2df05a12c1747314a5051b863aeaea104d9e66a9b281b
- SSDEEP 1536:2HB0UxMkzOt7HcvJGt5AdHIOWnToIf12Zi9GCq2iW7z:2hAWJGSCTBf12ZuGCH
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
bdaejec
C2
-
ddos.dnsnb8.net
Signatures
- Bdaejec family
- Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/4008-34-0x0000000000F30000-0x0000000000F39000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b03-3.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation ZEi.exe - Executes dropped EXE 1 IoCs
pid Process 4008 ZEi.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe ZEi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe ZEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE ZEi.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe ZEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE ZEi.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe ZEi.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe ZEi.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe ZEi.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe ZEi.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe ZEi.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE ZEi.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe ZEi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe ZEi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe ZEi.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe ZEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe ZEi.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe ZEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe ZEi.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe ZEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe ZEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe ZEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe ZEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe ZEi.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe ZEi.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe ZEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe ZEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe ZEi.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ZEi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1988 wrote to memory of 4008 1988 2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe 82 PID 1988 wrote to memory of 4008 1988 2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe 82 PID 1988 wrote to memory of 4008 1988 2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe 82 PID 4008 wrote to memory of 4980 4008 ZEi.exe 83 PID 4008 wrote to memory of 4980 4008 ZEi.exe 83 PID 4008 wrote to memory of 4980 4008 ZEi.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Users\Admin\AppData\Local\Temp\ZEi.exeC:\Users\Admin\AppData\Local\Temp\ZEi.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:4008 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1d353323.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4980
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\k2[1].rar
- Size 4B
- SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
- MD5 d3b07384d113edec49eaa6238ad5ff00
- SHA1 f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
- SHA512 0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\030D126E.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\1d353323.bat
- Size 181B
- SHA256 6466442c662d03b60f8b290fdd10ce75d25ef2248c037fbd5988ba47450fa536
- MD5 100006db5956fbf55f409ccb3955dc86
- SHA1 4d5d22b17d7c9107f700bf4ff950cd5e1c6c55eb
- SHA512 7f6aa0b77240e39b606e28a2b2e3bd1c7aa32420e43547c3e40ae0dc5f2c236ed4d45615dd2d8c6673cc3abcf09dce311f7e9d036887af1277e13f0c1db2adc5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\ZEi.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP