Analysis
-
max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21/01/2025, 02:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe
Resource
win7-20241010-en
windows7-x64
11 signatures
150 seconds
General
-
Target
2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe
-
Size
58KB
-
MD5
d1f8dcb563b63db7073d2334851adfd1
-
SHA1
7c3ae9fd45cf7d903689b65d123320b26780b3a9
-
SHA256
47c887405480c843b10d795b819fdde8624f3f46c9210635b452fce77a6f999f
-
SHA512
41971871ea33e1550ea673f325d2cf47b5050a4336b56adb68f8c1ef2c968f1913b700ba11d7c4e1030e5d28e83f9b21ad504a48d111a3ccef3bc10b8e7af947
-
SSDEEP
768:Z5m+28z1keG1Genz00tur2OzZPSZAHWyxy+57QFlQGPL4vzZq2o9W7GsxBbPr:zv28p0hAmuyOzZPdxP5SCGCq2iW7z
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/4728-8-0x0000000000C20000-0x0000000000C29000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0008000000023ca4-4.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation RViisd.exe -
Executes dropped EXE 1 IoCs
pid Process 4728 RViisd.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE RViisd.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE RViisd.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe RViisd.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe RViisd.exe File opened for modification C:\Program Files\7-Zip\7zG.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe RViisd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe RViisd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE RViisd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe RViisd.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe RViisd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE RViisd.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe RViisd.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe RViisd.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 RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe RViisd.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE RViisd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE RViisd.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe RViisd.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe RViisd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe RViisd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe RViisd.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\INF\setupapi.dev.log 2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.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 2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RViisd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2476 wrote to memory of 4728 2476 2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe 84 PID 2476 wrote to memory of 4728 2476 2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe 84 PID 2476 wrote to memory of 4728 2476 2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe 84 PID 4728 wrote to memory of 2896 4728 RViisd.exe 101 PID 4728 wrote to memory of 2896 4728 RViisd.exe 101 PID 4728 wrote to memory of 2896 4728 RViisd.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Users\Admin\AppData\Local\Temp\RViisd.exeC:\Users\Admin\AppData\Local\Temp\RViisd.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:4728 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4e211594.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2896
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
187B
MD5010d5cd54c5a9916824ca0d3b1fbef51
SHA1316fe5509fb212ffe12d045246398af2671ca9c1
SHA256107aa3e1648b5a4062126ab5f86340facea156e83986101d27aa446ecb163ec6
SHA51289f3aa7e55bf38d8e41ff0081151a5e4e0f89a34577c86d5f0e4d2b5bff316a7cf506c1a4d6bc13e1beaa4bf17df998615ac5ebf3d3bc06b6c7944ad141ad03f
-
Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e