Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-12-2024 10:24
Static task
static1
Behavioral task
behavioral1
Sample
c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe
Resource
win7-20241010-en
General
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Target
c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe
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Size
671KB
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MD5
84c267e998d6f0f1f629d4648ec5e01f
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SHA1
f272039a615539da36c874a2f014a07671ebc06a
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SHA256
c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c
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SHA512
90af184d608819210711237f4fe17ed5203a7df1d705eabdb5083ceb2f323c72b72b3defcd764a3f7cc213fb001da471237e6926aa5a4906a63fad8b295bba45
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SSDEEP
12288:o0gZ0eZUJjYucy1yxwIchIgZIFwdPisZWRYzc4TSZYNKCOX72oS:YuRjYup1jhIg4wQ4coJNqr
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Blackmoon family
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Detect Blackmoon payload 1 IoCs
resource yara_rule behavioral2/memory/4008-47-0x0000000000400000-0x00000000006E0000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/2520-45-0x0000000000550000-0x0000000000559000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023bbe-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation NUcbFz.exe -
Executes dropped EXE 1 IoCs
pid Process 2520 NUcbFz.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\GoogleUpdateComRegisterShell64.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe NUcbFz.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe NUcbFz.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe NUcbFz.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe NUcbFz.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe NUcbFz.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE NUcbFz.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe NUcbFz.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE NUcbFz.exe File opened for modification C:\Program Files\Windows Mail\wab.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe NUcbFz.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe NUcbFz.exe File opened for modification C:\Program Files\7-Zip\7z.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe NUcbFz.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe NUcbFz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe NUcbFz.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 NUcbFz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4008 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4008 wrote to memory of 2520 4008 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe 83 PID 4008 wrote to memory of 2520 4008 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe 83 PID 4008 wrote to memory of 2520 4008 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe 83 PID 2520 wrote to memory of 3028 2520 NUcbFz.exe 84 PID 2520 wrote to memory of 3028 2520 NUcbFz.exe 84 PID 2520 wrote to memory of 3028 2520 NUcbFz.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe"C:\Users\Admin\AppData\Local\Temp\c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Users\Admin\AppData\Local\Temp\NUcbFz.exeC:\Users\Admin\AppData\Local\Temp\NUcbFz.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:2520 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\45042b98.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3028
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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
MD568d24dcfb152409c544c8fe083d1a5ac
SHA187a5ba42a37e244032fb191fb8cc01faa710a53d
SHA2564d495b3770ba34dcbc8a6f42ec051d398f85b2ac03518b16ab0ff43c2b2dc8ba
SHA512f536ec70d5c227aa6f4bea0d8ad476c6750d80bf760ccd0990b29fa42ba7d82893742c0ce5504b9538578fd9def3935eea67b773057db9cee610e3bdc4d1aad6
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e