Analysis
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max time kernel
93s -
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
19-11-2024 23:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe
Resource
win7-20241010-en
General
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Target
2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe
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Size
80KB
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MD5
37b63a9aa08a645d62157eaffd5e817f
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SHA1
040df34f8ae271f22c894ad1f328017697d43584
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SHA256
535a1981f7a3cae68df3ee1fa7569e93ef3497f2e26c81e4638bfdffa06b738e
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SHA512
781710122eef555a2507b909561d52b8fe40670226522e87b0cfb6cc68f6aa97739558351319ad04bf7dc3236f37dc28a9a80ac5e26e8897060a6fb46a6b06dc
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SSDEEP
1536:fHB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZXPGCq2iW7z:fhAWJGSCTBf12ZfGCH
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 behavioral2/memory/384-45-0x0000000000E40000-0x0000000000E49000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b37-3.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 Rlqn.exe -
Executes dropped EXE 1 IoCs
pid Process 384 Rlqn.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe Rlqn.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe Rlqn.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe Rlqn.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe Rlqn.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe Rlqn.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe Rlqn.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe Rlqn.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe Rlqn.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe Rlqn.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe Rlqn.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe Rlqn.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe Rlqn.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe Rlqn.exe File opened for modification C:\Program Files\7-Zip\7z.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe Rlqn.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe Rlqn.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE Rlqn.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe Rlqn.exe File opened for modification C:\Program Files\7-Zip\7zG.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe Rlqn.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe Rlqn.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe Rlqn.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe Rlqn.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe Rlqn.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe Rlqn.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 2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Rlqn.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1688 wrote to memory of 384 1688 2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe 83 PID 1688 wrote to memory of 384 1688 2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe 83 PID 1688 wrote to memory of 384 1688 2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe 83 PID 384 wrote to memory of 3500 384 Rlqn.exe 87 PID 384 wrote to memory of 3500 384 Rlqn.exe 87 PID 384 wrote to memory of 3500 384 Rlqn.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-19_37b63a9aa08a645d62157eaffd5e817f_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\AppData\Local\Temp\Rlqn.exeC:\Users\Admin\AppData\Local\Temp\Rlqn.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:384 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3a585f85.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
MD548882588d086ca98b0370c1491365003
SHA1124706420b83639bed97c15ca2d74d45840facd4
SHA25694c3fd30fcfb8a7b0de6c19efa8b06eb5df3919de0b7df2e58ade244ea798bd6
SHA512b8695a25c35f4b7c734b499e1053bcab0e6fd08bff8c6382f77fb9e4e664b406cbb1b28221c9fa3d70cc8782ed7ca378e30e84a6848b4afc0c96334e3510dd51
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e