Analysis
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max time kernel
93s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
31-01-2025 11:26
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe
Resource
win7-20240903-en
General
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Target
2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe
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Size
65KB
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MD5
83ecbff215630ca1c09eb901826fc050
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SHA1
4e0c6a56045e465e6ad7770463788c8fdb5af63d
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SHA256
fefe097bec3613de6dac2a0af3f2d7e762125681d6e981f33aa3ff98f661baeb
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SHA512
3b0eab8983b7877f756d5c704bbd4421777eaab979df8e2bd9c06086282904d64667f05749120d12a1c35374780195fdfdee725043eba52d7b5d2bf5ea5297cc
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SSDEEP
768:S5qn4NX7+MbT1y9EG+HOkHmopjtWO3ZCdZP1f8SvnHH5p1QGPL4vzZq2o9W7Gsxl:8qn40x9kOkNpjWZP1Vn5pyGCq2iW7z
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/1600-46-0x0000000000340000-0x0000000000349000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0009000000023c69-3.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-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation fcIYYo.exe -
Executes dropped EXE 1 IoCs
pid Process 1600 fcIYYo.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE fcIYYo.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe fcIYYo.exe File opened for modification C:\Program Files\Windows Mail\wab.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe fcIYYo.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe fcIYYo.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe fcIYYo.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe fcIYYo.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{AF3E740C-C0C0-4F5B-A7BD-39258701257E}\chrome_installer.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE fcIYYo.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe fcIYYo.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe fcIYYo.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe fcIYYo.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE fcIYYo.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE fcIYYo.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe fcIYYo.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe fcIYYo.exe File opened for modification C:\Program Files\dotnet\dotnet.exe fcIYYo.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe fcIYYo.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe fcIYYo.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE fcIYYo.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe fcIYYo.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 fcIYYo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5060 wrote to memory of 1600 5060 2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe 84 PID 5060 wrote to memory of 1600 5060 2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe 84 PID 5060 wrote to memory of 1600 5060 2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe 84 PID 1600 wrote to memory of 4776 1600 fcIYYo.exe 88 PID 1600 wrote to memory of 4776 1600 fcIYYo.exe 88 PID 1600 wrote to memory of 4776 1600 fcIYYo.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Users\Admin\AppData\Local\Temp\fcIYYo.exeC:\Users\Admin\AppData\Local\Temp\fcIYYo.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:1600 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\39ae2080.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4776
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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
MD53cac19b7a94811d388a55d89fc0568ca
SHA1e8e228bbe286f85dd880fc213f8e567a39a75a3c
SHA256ed99240454dde817cb2bd40bcbda4afa9e964ddf717a998c40c2dc96c902afa5
SHA512b15a0e43d4292c34f49606fe9c61286013e16cfec993c6aa43203ceaab14e5ce06aa0a2b81f6670cac6157d1e0a04f8304d79e6afd225a0d375c198038765949
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD5f7d21de5c4e81341eccd280c11ddcc9a
SHA1d4e9ef10d7685d491583c6fa93ae5d9105d815bd
SHA2564485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
SHA512e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3