Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
27/05/2026, 04:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-27_c2bf1364150efb8149c63dac31a757a9_amadey_elex_smoke-loader_wannacry_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-27_c2bf1364150efb8149c63dac31a757a9_amadey_elex_smoke-loader_wannacry_wapomi.exe
- Size 31KB
- Sample260527-e99awahw6v
- SHA256 e8a8350df9937a820970eddc7ce0bb2c54840f1e23921c96b95d3f115ba89ac2
- MD5 c2bf1364150efb8149c63dac31a757a9
- SHA1 76f7a128181e4767f8d1911ff6af4ed4de9a8c18
- SHA512 74dcda32ce8c586d6f20ce4b39802b80a0f8664052563206b2f4c01189836c585b428a784071550fc91e05ee20ab867c8d0a0d7602be8289fab9ed3a9bed9503
- SSDEEP 768:uWQ3655Kv1X/qY1MSdYzQGPL4vzZq2o9W7GsxBbPr:uHqaNrFdYkGCq2iW7z
- TLSH T1F9E28E53CF9054F6F7EF253160FA3A478AB7AD2049A4EE5F83707A991C34640E862257
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
bdaejec
C2
-
ddos.dnsnb8.net
Signatures
- Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/4812-22-0x00000000002D0000-0x00000000002D9000-memory.dmp family_bdaejec_backdoor - Custom signatureDetects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x000b00000002428e-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/4812-4-0x00000000002D0000-0x00000000002D9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/4812-22-0x00000000002D0000-0x00000000002D9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x000b00000002428e-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-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation Wfl.exe - Executes dropped EXE 1 IoCs
pid Process 4812 Wfl.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe Wfl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe Wfl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE Wfl.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe Wfl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe Wfl.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe Wfl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe Wfl.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe Wfl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe Wfl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE Wfl.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe Wfl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe Wfl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe Wfl.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe Wfl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe Wfl.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 Wfl.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe Wfl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe Wfl.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe Wfl.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe Wfl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe Wfl.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe Wfl.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe Wfl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe Wfl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe Wfl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe Wfl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe Wfl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE Wfl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE Wfl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe Wfl.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 2026-05-27_c2bf1364150efb8149c63dac31a757a9_amadey_elex_smoke-loader_wannacry_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Wfl.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2404 wrote to memory of 4812 2404 2026-05-27_c2bf1364150efb8149c63dac31a757a9_amadey_elex_smoke-loader_wannacry_wapomi.exe 85 PID 4812 wrote to memory of 4044 4812 Wfl.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-27_c2bf1364150efb8149c63dac31a757a9_amadey_elex_smoke-loader_wannacry_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-27_c2bf1364150efb8149c63dac31a757a9_amadey_elex_smoke-loader_wannacry_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Users\Admin\AppData\Local\Temp\Wfl.exeC:\Users\Admin\AppData\Local\Temp\Wfl.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:4812 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2f7f4051.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4044
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6HU372F7\k2[1].rar
- Size 1B
- SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
- MD5 68b329da9893e34099c7d8ad5cb9c940
- SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
- SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\22E2673E.exe
- Size 1B
- SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
- MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
- SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
- SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\2f7f4051.bat
- Size 181B
- SHA256 f7371c1ef8f07eb43d5a1809e5fa944d80161fc93de273317d60e405e43ca9b5
- MD5 fa3c8f6fce66b09241b854d7bb1c3b79
- SHA1 d79ee37bb13851ec54231a4c677260047221f285
- SHA512 6e849b1b8731c25b5ce359a9d7eac827967d4637fd1dbd77a5b4d32c047ad6d8330851261f982738f272dcea3695bf8a5dc7e89feaa1ffcd8e6b6bdcba8237f8
- TLSH T1AEC01201C186C6591498501716F1714CD0799C983B893B274B20C49C619640EBAF7701
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\Wfl.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH