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Analysis
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max time kernel
150s -
max time network
113s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250113-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
14/01/2025, 15:08
Static task
static1
General
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Target
9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
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Size
2.7MB
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MD5
14f6e66efcbcc6ef30286fa5c5be1697
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SHA1
ad99edce34103e6e0aa91e4794e96ecf08d5e306
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SHA256
9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a
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SHA512
b54b6ac29828b58557ab83c70fe9f0f4ad484b88add115e3c2db5ef31cc3e87a4f50d2740d1bbbb412a9bac324bf8da81bdf71863794c2f27908e0fe97285e3b
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SSDEEP
49152:UlFcqJWq7TVCfF92zMWGyBk4O1iVIQBzUcdm/ll:UlF1RCN92zMWGyg1DQ+c
Malware Config
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++.
resource yara_rule behavioral1/memory/3808-49-0x0000000000800000-0x0000000000809000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x00290000000461a8-3.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-1-5-21-2826969134-2088669430-2680400721-1000\Control Panel\International\Geo\Nation vvfUDpb.exe -
Deletes itself 1 IoCs
pid Process 3528 nifLLJZGSNN8Kb.exe -
Executes dropped EXE 2 IoCs
pid Process 3808 vvfUDpb.exe 3528 nifLLJZGSNN8Kb.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE vvfUDpb.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE vvfUDpb.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{DFBC65C1-A955-4ACE-BA51-D052AC4EBFA0}\chrome_installer.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe vvfUDpb.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe vvfUDpb.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\Classification\SenseCE.exe vvfUDpb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe vvfUDpb.exe File opened for modification C:\Program Files\7-Zip\7z.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe vvfUDpb.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe vvfUDpb.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe vvfUDpb.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe vvfUDpb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe vvfUDpb.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE vvfUDpb.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe vvfUDpb.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe vvfUDpb.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe vvfUDpb.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseIR.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE vvfUDpb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe vvfUDpb.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe vvfUDpb.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE vvfUDpb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe vvfUDpb.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe vvfUDpb.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe vvfUDpb.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe vvfUDpb.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe vvfUDpb.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe vvfUDpb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE vvfUDpb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe vvfUDpb.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe vvfUDpb.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE vvfUDpb.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe vvfUDpb.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe vvfUDpb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe vvfUDpb.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe vvfUDpb.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 4 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 9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vvfUDpb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nifLLJZGSNN8Kb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe 3528 nifLLJZGSNN8Kb.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 664 Process not Found -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1508 9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe Token: SeDebugPrivilege 3528 nifLLJZGSNN8Kb.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1508 wrote to memory of 3808 1508 9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe 82 PID 1508 wrote to memory of 3808 1508 9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe 82 PID 1508 wrote to memory of 3808 1508 9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe 82 PID 3808 wrote to memory of 5052 3808 vvfUDpb.exe 84 PID 3808 wrote to memory of 5052 3808 vvfUDpb.exe 84 PID 3808 wrote to memory of 5052 3808 vvfUDpb.exe 84 PID 1508 wrote to memory of 3528 1508 9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe 86 PID 1508 wrote to memory of 3528 1508 9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe 86 PID 1508 wrote to memory of 3528 1508 9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe"C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Users\Admin\AppData\Local\Temp\vvfUDpb.exeC:\Users\Admin\AppData\Local\Temp\vvfUDpb.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:3808 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\718e4a31.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:5052
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C:\Users\Admin\AppData\Local\Temp\nifLLJZGSNN8Kb.exeC:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3528
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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
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
189B
MD5041368cb166d2ad7bb9320feedc34470
SHA1cd832fed10a5c3c67238d3655e13236539336099
SHA25679916d826b94fd99765143718175606827162186d40decb1e23705c2ed5f7759
SHA5122b76321ea7a16e1669fdc562e984218e88cac59d4f80abd12829b4b9d0b152bf893a72b840021ad08e20f787cd77b824bb8321bbd7e74d986ef453eaf9d81c46
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Filesize
40B
MD5fe72b3623c13699d9a4f86e14fa35e99
SHA1f85e7593ee8ebab06fd03c76de9e0d45ce8eebbe
SHA256fd26f2023b312ee0d8ce92f54d8377ca6bd331181fb13edf491578ab9c607d43
SHA5127f9337224fc06ef763c034a9f21674da91b40da4c5b91108cd9938537dbf58d99249cccfa16c7b2a32407751a794ac78b8dc73ed4df2c0aca167504dc72bcda1
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Filesize
2.7MB
MD5f592a89c65a39d7872e9135883a9888f
SHA1af146736e5e0e2acc5953b57cb228dedb9686f8e
SHA2567765f2bef25df79082e1f4e6971cad1403941038adbeb1a06608b20fffd99d4b
SHA512e3c031ee64abd919577ed588e4cceaf3dae243481835097daab4af12e00d07ed33c37d903e73b5c25c6a1095d375b5561a5bbca7f8d276f6d0f65f533f87dfe4
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e