Analysis
- max time kernel
140s - max time network
113s - 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, 17:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe
Resource
win7-20240705-en
windows7-x64
8 signatures
150 seconds
General
- Target f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe
- Size 182KB
- Sample240724-wa97kascpc
- SHA256 f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028
- MD5 779806a66cccb6b37a02f6b30f7aecf3
- SHA1 0a16526e664ebcfadb6b958580aa12b3deff8645
- SHA512 40c6234eb7753d9cbc4e98bc964b61e8a7b1ca9d97b4314b3f7cbd03060517ae5f5561e33f9334e43c0f74ff8449a795de38f034541e8fbeb4e58661568dadcb
- SSDEEP 3072:xAL4MQSsrTe/6ocp7B8WvYmD/5yW5VXU/2PE9wXGCH:eL4KspNjVhPS
- 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/0x000a000000023451-3.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 IXDaI.exe - Executes dropped EXE 1 IoCs
pid Process 3336 IXDaI.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE IXDaI.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe IXDaI.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe IXDaI.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe IXDaI.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe IXDaI.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe IXDaI.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe IXDaI.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE IXDaI.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe IXDaI.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE IXDaI.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe IXDaI.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe IXDaI.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe IXDaI.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE IXDaI.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe IXDaI.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe IXDaI.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe IXDaI.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe IXDaI.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe IXDaI.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE IXDaI.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_pwa_launcher.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe IXDaI.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe IXDaI.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe IXDaI.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe IXDaI.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe IXDaI.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe IXDaI.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE IXDaI.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe IXDaI.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe IXDaI.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe IXDaI.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 1128 3512 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 f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IXDaI.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 f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3512 wrote to memory of 3336 3512 f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe 84 PID 3512 wrote to memory of 3336 3512 f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe 84 PID 3512 wrote to memory of 3336 3512 f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe 84 PID 3336 wrote to memory of 312 3336 IXDaI.exe 85 PID 3336 wrote to memory of 312 3336 IXDaI.exe 85 PID 3336 wrote to memory of 312 3336 IXDaI.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe"C:\Users\Admin\AppData\Local\Temp\f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Users\Admin\AppData\Local\Temp\IXDaI.exeC:\Users\Admin\AppData\Local\Temp\IXDaI.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:3336 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6fe27604.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:312
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 4442⤵
- Program crash
PID:1128
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3512 -ip 35121⤵PID:3560
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\4A0A2880.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\6fe27604.bat
- Size 185B
- SHA256 be53258b693af8575ff25fad2303d62bb5b0087fed72d09c57c943560db6f7fd
- MD5 a63882f1176be7cffe1a68ab58b1e187
- SHA1 b723add0be7cb0ceac3eeaaa1198513cc1d871c6
- SHA512 813597f440a0f8bec6a784579535bc98494e1beb53cb4b54e1c747eed3edd0cd5ba5215f05ab42955cb20cdc1539d7e320aa366ed816ec79abf8ec69fa2baf33
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\IXDaI.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP