Analysis
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max time kernel
140s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-12-2024 19:41
Static task
static1
Behavioral task
behavioral1
Sample
39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54.exe
Resource
win7-20240903-en
General
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Target
39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54.exe
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Size
1.6MB
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MD5
858db74982d3db51f66648172e1dd8d2
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SHA1
d6036c0c240f726f78d0e56e38fa489f8999c8d9
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SHA256
39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54
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SHA512
7aad3c1da74e95060a8c0b662b33581d8aa51eb38577d5f70fc2b900c9a576f3652941452ec2ed5f9c546c57fefa3f22cbcb2d9c44574e73f8e5e89556410c1c
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SSDEEP
49152:K6YkLp3mT/w+HM4Xbe+29G83aRZlGBnJcSkj1h0nyJBvgS5yz8M:K6vLp3MHMe89FaB63sh19U8M
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/1104-48-0x0000000000400000-0x0000000000B2C000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/3180-46-0x0000000000130000-0x0000000000139000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0008000000023c8c-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation DAIi.exe -
Executes dropped EXE 1 IoCs
pid Process 3180 DAIi.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe DAIi.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe DAIi.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe DAIi.exe File opened for modification C:\Program Files\7-Zip\7z.exe DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe DAIi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe DAIi.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe DAIi.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe DAIi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe DAIi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe DAIi.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe DAIi.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe DAIi.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe DAIi.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe DAIi.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe DAIi.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 DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe DAIi.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe DAIi.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe DAIi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe DAIi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE DAIi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe DAIi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe DAIi.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 DAIi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1104 39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1104 wrote to memory of 3180 1104 39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54.exe 83 PID 1104 wrote to memory of 3180 1104 39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54.exe 83 PID 1104 wrote to memory of 3180 1104 39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54.exe 83 PID 3180 wrote to memory of 2380 3180 DAIi.exe 84 PID 3180 wrote to memory of 2380 3180 DAIi.exe 84 PID 3180 wrote to memory of 2380 3180 DAIi.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54.exe"C:\Users\Admin\AppData\Local\Temp\39b09134c3593dbcc207e3440be7b081e16f8a7a69ffd8d6465bd82adcf87c54.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Users\Admin\AppData\Local\Temp\DAIi.exeC:\Users\Admin\AppData\Local\Temp\DAIi.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:3180 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6331680b.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2380
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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
183B
MD5f79244c17dbad765b75aa8d67f35da89
SHA1de74d1828b8044533ffc68c253d33cd1ef229c52
SHA25670c471b3204dab52eeef8593ef73ca8f92e0afda4522334086b7782e49faeeba
SHA5123a4e1ea357e239831abc5241cc05148b492c2fe0d4f9bdae229cd91c6f4871a8d3f21c5d80f93634998944979397e3a955d8b8a951ac00cd37649b8b0fcb9aec
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e