Analysis
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max time kernel
93s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2024 09:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-26_8aca6658fba3bf8e708cfe502ea5c89b_smoke-loader_wapomi.exe
Resource
win7-20240903-en
General
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Target
2024-12-26_8aca6658fba3bf8e708cfe502ea5c89b_smoke-loader_wapomi.exe
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Size
80KB
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MD5
8aca6658fba3bf8e708cfe502ea5c89b
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SHA1
3a739e90d891848db34829497647497a069d9f9d
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SHA256
502372243b6cdc1c3513a76163e4e189fda5481278df0ee53f539501c087ab85
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SHA512
c13e75c3cb8ffd1331a8b11f64c1fcce0d9f0fcd00e7cdadaa21a3a2a7bff23247b4f3d1a24831ba6ee6784c17c34669e7f1c286a027415e2e53081cb19a2132
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SSDEEP
1536:Kg/6/tM8NXDjPX0QWlfGMckTQfaGCq2iW7z:Jk3U8kTQCGCH
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/1128-46-0x0000000000CB0000-0x0000000000CB9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000f000000023a30-3.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 TBcIjEi.exe -
Executes dropped EXE 1 IoCs
pid Process 1128 TBcIjEi.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE TBcIjEi.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe TBcIjEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe TBcIjEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE TBcIjEi.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe TBcIjEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE TBcIjEi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe TBcIjEi.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 TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe TBcIjEi.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe TBcIjEi.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe TBcIjEi.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe TBcIjEi.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 TBcIjEi.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe TBcIjEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe TBcIjEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe TBcIjEi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe TBcIjEi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe TBcIjEi.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe TBcIjEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe TBcIjEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE TBcIjEi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe TBcIjEi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe TBcIjEi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe TBcIjEi.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE TBcIjEi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE TBcIjEi.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 2024-12-26_8aca6658fba3bf8e708cfe502ea5c89b_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TBcIjEi.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3320 wrote to memory of 1128 3320 2024-12-26_8aca6658fba3bf8e708cfe502ea5c89b_smoke-loader_wapomi.exe 84 PID 3320 wrote to memory of 1128 3320 2024-12-26_8aca6658fba3bf8e708cfe502ea5c89b_smoke-loader_wapomi.exe 84 PID 3320 wrote to memory of 1128 3320 2024-12-26_8aca6658fba3bf8e708cfe502ea5c89b_smoke-loader_wapomi.exe 84 PID 1128 wrote to memory of 1452 1128 TBcIjEi.exe 85 PID 1128 wrote to memory of 1452 1128 TBcIjEi.exe 85 PID 1128 wrote to memory of 1452 1128 TBcIjEi.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-26_8aca6658fba3bf8e708cfe502ea5c89b_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-26_8aca6658fba3bf8e708cfe502ea5c89b_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3320 -
C:\Users\Admin\AppData\Local\Temp\TBcIjEi.exeC:\Users\Admin\AppData\Local\Temp\TBcIjEi.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:1128 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6c6f6c8c.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1452
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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
MD560e16ecb689261c02c0b2f78f8dea045
SHA170d9dffd6e2fa95c012c38a41641902914332262
SHA2566168fad9ab2bdad60ddae1f2f8384810282402914a424b14008d8e5479fedd82
SHA512f31560b0fda8bfad6922f5bef42e9c938ac059e17221dff690662a2e95acb1761d3cb2173d260894f879e095982e52c8e169a2c660abb5c25d59577e00b657dd
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e