Analysis
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max time kernel
106s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-12-2024 17:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe
Resource
win7-20240903-en
windows7-x64
12 signatures
150 seconds
General
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Target
7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe
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Size
12.0MB
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MD5
8e108ac2fe0f2fd5bf0974bb06af1ea2
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SHA1
d9b4f639a5b059b688345a8694696eb4e54383b1
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SHA256
7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0
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SHA512
466ff4e330770281d4f57f529c58d2c493ae1d7755c887529f481418dc223360aa0ecc2a8de721ab326c6dd31a3b9cf04dd1d728ca138a8c06017385377ef476
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SSDEEP
49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zlFTCTMqQ:s/KU9/pyJx9Y5elx0T
Malware Config
Extracted
Family
bdaejec
C2
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Detects Bdaejec Backdoor. 2 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/868-5-0x00000000001E0000-0x00000000001E9000-memory.dmp family_bdaejec_backdoor behavioral2/memory/868-10-0x00000000001E0000-0x00000000001E9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0009000000023c9f-2.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation wvFJhl.exe -
Executes dropped EXE 1 IoCs
pid Process 868 wvFJhl.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe wvFJhl.exe File opened for modification C:\Program Files\dotnet\dotnet.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe wvFJhl.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe wvFJhl.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe wvFJhl.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe wvFJhl.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe wvFJhl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe wvFJhl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE wvFJhl.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe wvFJhl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe wvFJhl.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE wvFJhl.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe wvFJhl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe wvFJhl.exe File opened for modification C:\Program Files\7-Zip\7z.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe wvFJhl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe wvFJhl.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe wvFJhl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe wvFJhl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE wvFJhl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe wvFJhl.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe wvFJhl.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 7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wvFJhl.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3200 7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3200 7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe 3200 7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe 3200 7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3200 wrote to memory of 868 3200 7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe 83 PID 3200 wrote to memory of 868 3200 7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe 83 PID 3200 wrote to memory of 868 3200 7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe 83 PID 868 wrote to memory of 4356 868 wvFJhl.exe 101 PID 868 wrote to memory of 4356 868 wvFJhl.exe 101 PID 868 wrote to memory of 4356 868 wvFJhl.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe"C:\Users\Admin\AppData\Local\Temp\7a119689be42e9b0b012084180e7f73afe0d4b75bad19da32ba2d322eeec24d0.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Users\Admin\AppData\Local\Temp\wvFJhl.exeC:\Users\Admin\AppData\Local\Temp\wvFJhl.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:868 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\36b436ab.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4356
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD5f4c111f23333ee796a4189d2cbd94b6a
SHA1144cbcbb7aff313bdd20f3eebc34def5f38824f9
SHA2560698e3480c80e826392b96f04483cea095c98ed6e3652409021174503f836896
SHA512c60b992ecae8b2e5d080409bc68e84005c49e9178741540d11aa95791137264e507d83c0adb8396119126039bfdb1807c2095ecde3614a205e0224c9d023b902
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e