Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-10-2024 10:04
Behavioral task
behavioral1
Sample
02b3757b29002a8fcabd9afaebf1f7d3.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
02b3757b29002a8fcabd9afaebf1f7d3.exe
Resource
win10v2004-20241007-en
General
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Target
02b3757b29002a8fcabd9afaebf1f7d3.exe
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Size
68KB
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MD5
02b3757b29002a8fcabd9afaebf1f7d3
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SHA1
cecffd787a418e435a9019211dda54444c2184fd
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SHA256
e909609bcd7d6a217635b372abba6e55d034d2e55712b032844ce28ded020064
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SHA512
fa7312829ddb66c4e3dba341eb45b2625c45060cfb2265a53ddb54595dd28d9245959eee6065b50e58d1908660732785a0430ae9345455d4bbcefd52fc5b015a
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SSDEEP
1536:sb1MsHz3JDwhyWr+N95OTga6S+PGCq2iW7z:XsT3JezcMCSkGCH
Malware Config
Extracted
runningrat
119.91.152.151
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++.
Processes:
resource yara_rule behavioral2/memory/4688-55-0x0000000000B60000-0x0000000000B69000-memory.dmp family_bdaejec_backdoor -
RunningRat
RunningRat is a remote access trojan first seen in 2018.
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RunningRat payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1208-0-0x0000000000400000-0x0000000000411000-memory.dmp family_runningrat -
Runningrat family
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Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
Processes:
02b3757b29002a8fcabd9afaebf1f7d3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SySyeu\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\240613937.dll" 02b3757b29002a8fcabd9afaebf1f7d3.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\XekSuT.exe aspack_v212_v242 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
02b3757b29002a8fcabd9afaebf1f7d3.exeXekSuT.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation 02b3757b29002a8fcabd9afaebf1f7d3.exe Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation XekSuT.exe -
Executes dropped EXE 2 IoCs
Processes:
XekSuT.exeSySyeu.exepid process 4688 XekSuT.exe 2784 SySyeu.exe -
Loads dropped DLL 3 IoCs
Processes:
02b3757b29002a8fcabd9afaebf1f7d3.exesvchost.exeSySyeu.exepid process 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe 4904 svchost.exe 2784 SySyeu.exe -
Creates a Windows Service
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Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\SysWOW64\SySyeu.exe svchost.exe File opened for modification C:\Windows\SysWOW64\SySyeu.exe svchost.exe -
Drops file in Program Files directory 64 IoCs
Processes:
XekSuT.exedescription ioc process File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE XekSuT.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe XekSuT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe XekSuT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe XekSuT.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe XekSuT.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE XekSuT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe XekSuT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe XekSuT.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{86C113DF-C14A-4A2D-BFB2-2F0FC039BBA8}\chrome_installer.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe XekSuT.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe XekSuT.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 XekSuT.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe XekSuT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe XekSuT.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE XekSuT.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe XekSuT.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe XekSuT.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 XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe XekSuT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe XekSuT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe XekSuT.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe XekSuT.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe XekSuT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe XekSuT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe XekSuT.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe XekSuT.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe XekSuT.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE XekSuT.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe XekSuT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe XekSuT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe XekSuT.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE XekSuT.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe XekSuT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe XekSuT.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe XekSuT.exe File opened for modification C:\Program Files\7-Zip\7z.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe XekSuT.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe XekSuT.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE XekSuT.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe XekSuT.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 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
SySyeu.exe02b3757b29002a8fcabd9afaebf1f7d3.exeXekSuT.exesvchost.execmd.exePING.EXEcmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SySyeu.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 02b3757b29002a8fcabd9afaebf1f7d3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language XekSuT.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 4572 cmd.exe 3920 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
02b3757b29002a8fcabd9afaebf1f7d3.exepid process 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
02b3757b29002a8fcabd9afaebf1f7d3.exedescription pid process Token: SeIncBasePriorityPrivilege 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
02b3757b29002a8fcabd9afaebf1f7d3.exepid process 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
02b3757b29002a8fcabd9afaebf1f7d3.execmd.exeXekSuT.exesvchost.exedescription pid process target process PID 1208 wrote to memory of 4688 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe XekSuT.exe PID 1208 wrote to memory of 4688 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe XekSuT.exe PID 1208 wrote to memory of 4688 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe XekSuT.exe PID 1208 wrote to memory of 4572 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe cmd.exe PID 1208 wrote to memory of 4572 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe cmd.exe PID 1208 wrote to memory of 4572 1208 02b3757b29002a8fcabd9afaebf1f7d3.exe cmd.exe PID 4572 wrote to memory of 3920 4572 cmd.exe PING.EXE PID 4572 wrote to memory of 3920 4572 cmd.exe PING.EXE PID 4572 wrote to memory of 3920 4572 cmd.exe PING.EXE PID 4688 wrote to memory of 4496 4688 XekSuT.exe cmd.exe PID 4688 wrote to memory of 4496 4688 XekSuT.exe cmd.exe PID 4688 wrote to memory of 4496 4688 XekSuT.exe cmd.exe PID 4904 wrote to memory of 2784 4904 svchost.exe SySyeu.exe PID 4904 wrote to memory of 2784 4904 svchost.exe SySyeu.exe PID 4904 wrote to memory of 2784 4904 svchost.exe SySyeu.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\02b3757b29002a8fcabd9afaebf1f7d3.exe"C:\Users\Admin\AppData\Local\Temp\02b3757b29002a8fcabd9afaebf1f7d3.exe"1⤵
- Server Software Component: Terminal Services DLL
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Users\Admin\AppData\Local\Temp\XekSuT.exeC:\Users\Admin\AppData\Local\Temp\XekSuT.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:4688 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\03a8609e.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4496
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\02b3757b29002a8fcabd9afaebf1f7d3.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3920
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SySyeu"1⤵PID:748
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SySyeu"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\SysWOW64\SySyeu.exeC:\Windows\system32\SySyeu.exe "c:\users\admin\appdata\local\temp\240613937.dll",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2784
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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
MD58b9c066487343857ce30b02a58641fa9
SHA1984f4d9216c8f8449e485574121e0fe5165ec767
SHA25601115357a06842ae9bd42a0b195689193df12da1353318c587521d341a9ffe1f
SHA512414fe18af9813b4de030ad994711fdb74bd8a7cc7518d0fdbcbb66dd20e0abe91ef06a4dfe63e35ff2538588cbc6c86a9148c5c3ed96323586e8bcc00c9ab095
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Filesize
25KB
MD5db598538e7a70b73298f6424ae507e02
SHA1d06a04fb9ca1bb8da5974870196ae5c0eadc1fa9
SHA256cc4ab82995b0c0c827e99870948ef6a1371d4d1ed6d167a087c0d5c123d0f15e
SHA512ebedb94e2ba77836317596557fb447e6abc78fecfafce8de900d70202994fe829459665e0dec8813c51039b64a12d08258bc6074324b729994b61e8467f5e3fa
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641