Analysis
- max time kernel
135s - max time network
107s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
25/07/2024, 05:54
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c634d3b81cf3991d24b037fdb80bacfb576216c3768149432b3e799583ef7b21.exe
Resource
win7-20240704-en
windows7-x64
7 signatures
150 seconds
General
- Target c634d3b81cf3991d24b037fdb80bacfb576216c3768149432b3e799583ef7b21.exe
- Size 281KB
- Sample240725-gl2l8ssbpr
- SHA256 c634d3b81cf3991d24b037fdb80bacfb576216c3768149432b3e799583ef7b21
- MD5 a131f7c0c6109b3d701767b24a1ec9b8
- SHA1 2d42e6211039255898af5606ce8f7c60b31782de
- SHA512 a7724856692645bf37c3504771895cda1d75e9d09a9b15d923e0bd5aa323c9949ff5fe790724eb89b4cdeb3631688b5d07edb2d2bdbb2ef6462ac72cebd001fd
- SSDEEP 6144:8oTJaMlWeC/iKbHiiq1YmNin91Izx2KQcVWMo4:8uzlWeC/iKbfeSnox7
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
arkei
Botnet
-
Default
C2
-
coin-file-file-19.com/tratata.php
Signatures
-
resource yara_rule behavioral2/files/0x00090000000233de-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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation brTOGrD.exe - Executes dropped EXE 1 IoCs
pid Process 2252 brTOGrD.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe brTOGrD.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe brTOGrD.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe brTOGrD.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe brTOGrD.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE brTOGrD.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE brTOGrD.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe brTOGrD.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe brTOGrD.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_pwa_launcher.exe brTOGrD.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe brTOGrD.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe brTOGrD.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe brTOGrD.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe brTOGrD.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe brTOGrD.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe brTOGrD.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe brTOGrD.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.106\chrome_installer.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe brTOGrD.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe brTOGrD.exe File opened for modification C:\Program Files\7-Zip\7zG.exe brTOGrD.exe File opened for modification C:\Program Files\Windows Mail\wab.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe brTOGrD.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe brTOGrD.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe brTOGrD.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe brTOGrD.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe brTOGrD.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe brTOGrD.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe brTOGrD.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe brTOGrD.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe brTOGrD.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe brTOGrD.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe brTOGrD.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 1484 3964 WerFault.exe 85 - 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 c634d3b81cf3991d24b037fdb80bacfb576216c3768149432b3e799583ef7b21.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language brTOGrD.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3964 wrote to memory of 2252 3964 c634d3b81cf3991d24b037fdb80bacfb576216c3768149432b3e799583ef7b21.exe 86 PID 3964 wrote to memory of 2252 3964 c634d3b81cf3991d24b037fdb80bacfb576216c3768149432b3e799583ef7b21.exe 86 PID 3964 wrote to memory of 2252 3964 c634d3b81cf3991d24b037fdb80bacfb576216c3768149432b3e799583ef7b21.exe 86 PID 2252 wrote to memory of 4728 2252 brTOGrD.exe 90 PID 2252 wrote to memory of 4728 2252 brTOGrD.exe 90 PID 2252 wrote to memory of 4728 2252 brTOGrD.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\c634d3b81cf3991d24b037fdb80bacfb576216c3768149432b3e799583ef7b21.exe"C:\Users\Admin\AppData\Local\Temp\c634d3b81cf3991d24b037fdb80bacfb576216c3768149432b3e799583ef7b21.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Users\Admin\AppData\Local\Temp\brTOGrD.exeC:\Users\Admin\AppData\Local\Temp\brTOGrD.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:2252 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4922040b.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4728
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 5602⤵
- Program crash
PID:1484
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3964 -ip 39641⤵PID:1564
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MQYRE6E5\k2[1].rar
- Size 4B
- SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
- MD5 d3b07384d113edec49eaa6238ad5ff00
- SHA1 f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
- SHA512 0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\4922040b.bat
- Size 189B
- SHA256 afbf020166d2692f0ed22f104cbd4a6b729e18b95508f5f1633882a7ca309ae1
- MD5 1ed35c99c4dbdb11466277336334b954
- SHA1 378823ec0a6e56f6b644a7b428ce2399e9ee0f33
- SHA512 23be0f25633da8fe86ec8c469e33c65a0a7ac7c41200aa9ef32fbadd4375bcfc7ac35a9ddc7062b7a8595f96f46086ef1ae3ad25a682d998ff04b93d01f2c892
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\53413994.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\brTOGrD.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP