Analysis
- max time kernel
149s - max time network
153s - 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, 14:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe
Resource
win7-20240704-en
windows7-x64
8 signatures
150 seconds
General
- Target 54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe
- Size 240KB
- Sample240724-rtkc2azhpm
- SHA256 d372df2f0b72e4bde91c57cb6c5cdd6f39486c68cb5cd26fa3aaf6a403bc0b66
- MD5 47915986b5e74a74186547bd87c2fceb
- SHA1 7ecf4f720743f9bbf228e122b955eb2c1a868ca0
- SHA512 563673143e35a61e80ac44ac5f26190e4e60b7b83df7a2d4895a0f6f8a156e560825267f6f4e9ceb88946ea5ff636d0322800ad978a796177af1bbb8922150c4
- SSDEEP 1536:6GKDWND9TgtdAGkDh2lrD0OCsPOcT/X6QEd+KBzmrdVJGF5KBkM45mXtYz3BYHG8:6GKDWHuCbwZRdVJGF5EkJ5mXtYVSGCH
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub2
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
-
resource yara_rule behavioral2/files/0x00080000000234cd-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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation HWLGns.exe - Executes dropped EXE 1 IoCs
pid Process 2012 HWLGns.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe HWLGns.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 HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE HWLGns.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe HWLGns.exe File opened for modification C:\Program Files\7-Zip\7zG.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe HWLGns.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe HWLGns.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe HWLGns.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe HWLGns.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe HWLGns.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe HWLGns.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe HWLGns.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe HWLGns.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE HWLGns.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe HWLGns.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE HWLGns.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE HWLGns.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe HWLGns.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\notification_helper.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE HWLGns.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe HWLGns.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe HWLGns.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe HWLGns.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe HWLGns.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE HWLGns.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe HWLGns.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe HWLGns.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE HWLGns.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe HWLGns.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe HWLGns.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe HWLGns.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe HWLGns.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe HWLGns.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe HWLGns.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 4884 3836 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 54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HWLGns.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 54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3836 wrote to memory of 2012 3836 54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe 84 PID 3836 wrote to memory of 2012 3836 54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe 84 PID 3836 wrote to memory of 2012 3836 54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe 84 PID 2012 wrote to memory of 3240 2012 HWLGns.exe 94 PID 2012 wrote to memory of 3240 2012 HWLGns.exe 94 PID 2012 wrote to memory of 3240 2012 HWLGns.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe"C:\Users\Admin\AppData\Local\Temp\54E3EE54FAC434E25C03DED56A4680F1EA40A245D657440AC9C51BE7F27EF656.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Users\Admin\AppData\Local\Temp\HWLGns.exeC:\Users\Admin\AppData\Local\Temp\HWLGns.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:2012 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\107445c4.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3240
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 2882⤵
- Program crash
PID:4884
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3836 -ip 38361⤵PID:112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\107445c4.bat
- Size 187B
- SHA256 c4370bd2b6fa309ec1ba3eed1510c20451c8c053360b259485c3c61727b29248
- MD5 e00aedcf8773d1bd03f3b7a082c56e4f
- SHA1 8ad07f38be691359dd17c14a7a512356996cc18c
- SHA512 e01222273f7c2b4816b849e32149d213e13057ca717c028fc80134c96e179f032660b2c3574baed749c8354f219921b6cf94f4d9c2ff5a90201329f71edbe46f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\HWLGns.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP