Analysis
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max time kernel
140s -
max time network
142s -
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 02:23
Behavioral task
behavioral1
Sample
2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe
Resource
win7-20240708-en
windows7-x64
17 signatures
150 seconds
General
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Target
2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe
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Size
95KB
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MD5
372bccab8bba9047aaec867b16674bdb
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SHA1
598ea7b7409791acb7e656c82bcd5a3df30ebd14
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SHA256
d9751ebde56bac457c8f3136062497eae7e5cb9493368a353d9540adb63dea71
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SHA512
bb5f7bf4bdfe2bac3658e295a035611194365c5b89e69defce724e87707d997d618139bb1d992d5eb160b11f7e2ef256d41f84a0fa21ad427b3bc82eca69588f
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SSDEEP
1536:jmHsKgDuEaIY0TnYZXqp1jblhRMnnHqPP9kWKLVjhGTSR+GCq2iW7z:jmHsKgDDJbTnYZ+lhRKHqPfghMS0GCH
Malware Config
Extracted
Family
bdaejec
C2
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/116-9-0x00000000001F0000-0x00000000001F9000-memory.dmp family_bdaejec_backdoor -
Detected Nirsoft tools 5 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/2480-7-0x0000000000400000-0x0000000000436000-memory.dmp Nirsoft behavioral2/memory/2480-10-0x0000000000400000-0x0000000000436000-memory.dmp Nirsoft behavioral2/memory/2480-12-0x0000000000400000-0x0000000000436000-memory.dmp Nirsoft behavioral2/memory/2480-14-0x0000000000400000-0x0000000000436000-memory.dmp Nirsoft behavioral2/memory/2480-26-0x0000000000400000-0x0000000000436000-memory.dmp Nirsoft -
resource yara_rule behavioral2/files/0x000a000000023c07-3.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation uArQoS.exe -
Executes dropped EXE 1 IoCs
pid Process 116 uArQoS.exe -
resource yara_rule behavioral2/memory/2480-0-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral2/memory/2480-7-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral2/memory/2480-10-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral2/memory/2480-12-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral2/memory/2480-14-0x0000000000400000-0x0000000000436000-memory.dmp upx behavioral2/memory/2480-26-0x0000000000400000-0x0000000000436000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe uArQoS.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe uArQoS.exe File opened for modification C:\Program Files\7-Zip\7z.exe uArQoS.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE uArQoS.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe uArQoS.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe uArQoS.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe uArQoS.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE uArQoS.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe uArQoS.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe uArQoS.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE uArQoS.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe uArQoS.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe uArQoS.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe uArQoS.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 uArQoS.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe uArQoS.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe uArQoS.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe uArQoS.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 uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe uArQoS.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe uArQoS.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE uArQoS.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe uArQoS.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe uArQoS.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe uArQoS.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe uArQoS.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe uArQoS.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe uArQoS.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe uArQoS.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.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 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uArQoS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2480 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe 2480 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2480 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2480 wrote to memory of 116 2480 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe 83 PID 2480 wrote to memory of 116 2480 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe 83 PID 2480 wrote to memory of 116 2480 2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe 83 PID 116 wrote to memory of 4844 116 uArQoS.exe 100 PID 116 wrote to memory of 4844 116 uArQoS.exe 100 PID 116 wrote to memory of 4844 116 uArQoS.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-26_372bccab8bba9047aaec867b16674bdb_smoke-loader_wapomi.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Users\Admin\AppData\Local\Temp\uArQoS.exeC:\Users\Admin\AppData\Local\Temp\uArQoS.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:116 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4aae71aa.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
187B
MD5f4dd8c2f845deb62a697c83a7b0ae964
SHA100ecb9bd6a3846900fa7c0fa3afb224e620dc35d
SHA256f8dd5bc7365be19a2d9e15a69e4cb617bf4efc4efcd2a8c396b7cf2eda216051
SHA512dd1babea2bbc08c75dbc0c80acb5bbc2386c4ccbd6b85e0a42ad6390b6e5ece1241b8ee6e32ae0b5bc0425bb378768c874332cec2bd5c43af604ede613915737
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e