Analysis
- max time kernel
135s - max time network
103s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
24/07/2024, 13:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
483E.exe
Resource
win7-20240704-en
windows7-x64
8 signatures
150 seconds
General
- Target 483E.exe
- Size 248KB
- Sample240724-q534vasbma
- SHA256 9c6403ca45a75ab2d917b4014b0227534cc86638a059895ad5cc4889096dc840
- MD5 b77043673df8b86cdb3f3049fa4b5cdf
- SHA1 998b7f59bf0acd24f920c5608422b59a1f610d80
- SHA512 63ab9f4b5108571d094189a6536be0e218e9296c60285d5d2e21f8f799e70421ec44988e94d73b6e7cf2b8020d8e39cd8b3b49c3d599ec8eca4d65280b81a712
- SSDEEP 3072:/rwPX0z03zXLpLwAafrPH87QBLAKHIrzJ1fiXMOS5i8nF53JBLGCH:u9XLvafr/87QBEKHazrfi/4ba
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
-
resource yara_rule behavioral2/files/0x0009000000023454-3.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-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation zyNGhf.exe - Executes dropped EXE 1 IoCs
pid Process 116 zyNGhf.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe zyNGhf.exe File opened for modification C:\Program Files\7-Zip\7zG.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe zyNGhf.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe zyNGhf.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe zyNGhf.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe zyNGhf.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe zyNGhf.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe zyNGhf.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe zyNGhf.exe File opened for modification C:\Program Files\dotnet\dotnet.exe zyNGhf.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe zyNGhf.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\notification_helper.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe zyNGhf.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe zyNGhf.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe zyNGhf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe zyNGhf.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe zyNGhf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe zyNGhf.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe zyNGhf.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe zyNGhf.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe zyNGhf.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe zyNGhf.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe zyNGhf.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 3488 4252 WerFault.exe 83 - 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 483E.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zyNGhf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 483E.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 483E.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 483E.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4252 wrote to memory of 116 4252 483E.exe 84 PID 4252 wrote to memory of 116 4252 483E.exe 84 PID 4252 wrote to memory of 116 4252 483E.exe 84 PID 116 wrote to memory of 4152 116 zyNGhf.exe 91 PID 116 wrote to memory of 4152 116 zyNGhf.exe 91 PID 116 wrote to memory of 4152 116 zyNGhf.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\483E.exe"C:\Users\Admin\AppData\Local\Temp\483E.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious use of WriteProcessMemory
PID:4252 -
C:\Users\Admin\AppData\Local\Temp\zyNGhf.exeC:\Users\Admin\AppData\Local\Temp\zyNGhf.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\1447439a.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4152
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4252 -s 4722⤵
- Program crash
PID:3488
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4252 -ip 42521⤵PID:3296
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WZ04RUV6\k2[1].rar
- Size 4B
- SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
- MD5 d3b07384d113edec49eaa6238ad5ff00
- SHA1 f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
- SHA512 0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\1447439a.bat
- Size 187B
- SHA256 75ecbeb48c73ab020448188cafcccda1b0ba6aaa4ff214017f9126385baeba62
- MD5 b680c1bae68cf83ba68b9354e909f133
- SHA1 e62890cf4adfba24a9c15d97ccd652a0c99f46de
- SHA512 d6828f4fdbe84cf52dd577120355f3e4bf3d8cdecc31a27cdc296a7a750d9ecfc60ec6427a2d7ad18fd516dd5a60ce3298db47a0ce659f993f46a6cc741b257f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\29306562.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\zyNGhf.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP