Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2024 21:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe
Resource
win7-20240903-en
windows7-x64
12 signatures
150 seconds
General
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Target
0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe
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Size
12.0MB
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MD5
3aa904f3861f093a85fab467898f0126
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SHA1
a75c9224e753dd502fabf910aff031993e46eb64
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SHA256
0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846
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SHA512
feb5c6d031952ebdbbc8d03dd232dd37130fcf4d461b2973ce86880912844857414ed262bebec54e105625036b8f89b85429c9ed18f2545f4b5ef69a2bca0092
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SSDEEP
49152:ug17vyyo6chV9wo4CrxdEOtBT8v5vFYy1HTJsZ:ugBLo6EV9wo4of8v5vmYls
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/3048-6-0x0000000000B30000-0x0000000000B39000-memory.dmp family_bdaejec_backdoor behavioral2/memory/3048-10-0x0000000000B30000-0x0000000000B39000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b3a-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation gbkxCR.exe -
Executes dropped EXE 1 IoCs
pid Process 3048 gbkxCR.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe gbkxCR.exe File opened for modification C:\Program Files\InvokeRedo.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE gbkxCR.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe gbkxCR.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe gbkxCR.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe gbkxCR.exe File opened for modification C:\Program Files\Windows Mail\wab.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe gbkxCR.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe gbkxCR.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe gbkxCR.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe gbkxCR.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe gbkxCR.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe gbkxCR.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe gbkxCR.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe gbkxCR.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE gbkxCR.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe gbkxCR.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe gbkxCR.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe gbkxCR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe gbkxCR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe gbkxCR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe gbkxCR.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe gbkxCR.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gbkxCR.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4856 0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4856 0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe 4856 0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe 4856 0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4856 wrote to memory of 3048 4856 0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe 82 PID 4856 wrote to memory of 3048 4856 0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe 82 PID 4856 wrote to memory of 3048 4856 0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe 82 PID 3048 wrote to memory of 3508 3048 gbkxCR.exe 93 PID 3048 wrote to memory of 3508 3048 gbkxCR.exe 93 PID 3048 wrote to memory of 3508 3048 gbkxCR.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe"C:\Users\Admin\AppData\Local\Temp\0f0aba6530febb058a5dd094a8fa8ccf9883fbbbde1e613d7f8086c9fd976846.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Users\Admin\AppData\Local\Temp\gbkxCR.exeC:\Users\Admin\AppData\Local\Temp\gbkxCR.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:3048 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0a577527.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3508
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD5621df9e7123b212eae23e56f880725c6
SHA1d07b3f790a38a8c358599a4e82ce8e0bbab26fc6
SHA256bb6dde7be512b15b299865a8843f1de84ded6bbe0ceaa05c56350acb776184cc
SHA5128140a370ed4b64758d5017b46ffd8ff8e6a967103d5fd3d80a01b61163a70269940d56ff2e02bb25163ddd1b5e0987a08834fc54335f9f9c59d145299b46e8e3
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e