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Analysis
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max time kernel
140s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2025, 10:23
Static task
static1
Behavioral task
behavioral1
Sample
2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe
Resource
win7-20240729-en
General
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Target
2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe
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Size
230KB
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MD5
746a94d778e8bae288248dcd88ac80a7
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SHA1
da6138b396ab12688bd4037a3f23639af8367f2f
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SHA256
002691ac8ba3d1fd9e7c59fd0c44b759aec4a49ca421a17f764e7c6e12b5dd25
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SHA512
27a7f0384ecd4151cd4fb89c2921a87ee76e91cfe8b9ce6dd95a5ada2059293b10061d33ed6c9f172b0a56ac804d2f06c6bc5707f558e49509c44bbde61c84ab
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SSDEEP
6144:aeB/6F8/8+KGf+oUVBDyM3cLpXVYYCimgpPmfgN+r:aeB/WK+bBmJpXqX+BN+
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/1948-45-0x0000000000F00000-0x0000000000F09000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b3f-4.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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation rCHQXH.exe -
Executes dropped EXE 1 IoCs
pid Process 1948 rCHQXH.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE rCHQXH.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE rCHQXH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe rCHQXH.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe rCHQXH.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe rCHQXH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE rCHQXH.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE rCHQXH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe rCHQXH.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe rCHQXH.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe rCHQXH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe rCHQXH.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe rCHQXH.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe rCHQXH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe rCHQXH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe rCHQXH.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe rCHQXH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe rCHQXH.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe rCHQXH.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe rCHQXH.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe rCHQXH.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe rCHQXH.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe rCHQXH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe rCHQXH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe rCHQXH.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 2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rCHQXH.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4648 wrote to memory of 1948 4648 2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe 83 PID 4648 wrote to memory of 1948 4648 2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe 83 PID 4648 wrote to memory of 1948 4648 2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe 83 PID 1948 wrote to memory of 4628 1948 rCHQXH.exe 87 PID 1948 wrote to memory of 4628 1948 rCHQXH.exe 87 PID 1948 wrote to memory of 4628 1948 rCHQXH.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Users\Admin\AppData\Local\Temp\rCHQXH.exeC:\Users\Admin\AppData\Local\Temp\rCHQXH.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:1948 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1c5b01b6.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4628
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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
MD55b6d84eca7176f0f38ab0c743f43025a
SHA16dca8bdc9008e07c54a445832138cdb3c7bcf4db
SHA25608b3d42275b7a18fd09fb3feb2b2c4d5c990dff9a10f63ccb80cb9b6630d09ba
SHA5129aebb36818b87a8f6d48f18e7ea9aba098606b0dbcd4db73033032a7fa392be1c7999729540da044fe1115f0f7d8042ae264463dca6a33cf13bea3f0c7a8b000
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e