Analysis Overview
SHA256
8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d
Threat Level: Known bad
The file 8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d was found to be: Known bad.
Malicious Activity Summary
Detects Bdaejec Backdoor.
Bdaejec family
Bdaejec
Executes dropped EXE
Loads dropped DLL
ASPack v2.12-2.42
Checks computer location settings
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-28 17:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-28 17:41
Reported
2024-12-28 17:44
Platform
win7-20240708-en
Max time kernel
145s
Max time network
122s
Command Line
Signatures
Bdaejec
Bdaejec family
Detects Bdaejec Backdoor.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\InstallStart.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Windows Defender\MpCmdRun.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Mozilla Firefox\default-browser-agent.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Mozilla Firefox\updater.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\bin\orbd.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\vlc.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\bin\jabswitch.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\bin\javaws.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\bin\javaw.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre7\bin\tnameserv.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe
"C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe"
C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe
C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\2cc228c8.bat" "
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ddos.dnsnb8.net | udp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe
| MD5 | 56b2c3810dba2e939a8bb9fa36d3cf96 |
| SHA1 | 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc |
| SHA256 | 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07 |
| SHA512 | 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e |
memory/2568-9-0x00000000010E0000-0x0000000001D41000-memory.dmp
memory/2568-12-0x0000000000080000-0x0000000000089000-memory.dmp
memory/2404-11-0x00000000012D0000-0x00000000012D9000-memory.dmp
memory/2568-10-0x0000000000080000-0x0000000000089000-memory.dmp
memory/2568-15-0x0000000000970000-0x0000000000A70000-memory.dmp
memory/2568-17-0x00000000010E0000-0x0000000001D41000-memory.dmp
memory/2568-19-0x0000000000970000-0x0000000000A70000-memory.dmp
memory/2404-18-0x00000000012D0000-0x00000000012D9000-memory.dmp
memory/2568-26-0x0000000000080000-0x0000000000089000-memory.dmp
memory/2568-28-0x0000000000080000-0x0000000000089000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\2cc228c8.bat
| MD5 | 275e4695cc4b708f7e29b88eb09d7577 |
| SHA1 | bca8dc0598c184a835fe1e01f394b14ba6b5a56c |
| SHA256 | dcbcbc29c53ae8e7f542575e56a9200ff74a79c33d8585eca91ddccc74b28288 |
| SHA512 | fa361bd9e02822099079ba652c7205382d88c678720564b07d60b04521f26f465fe082ad40c428296469d8255ce3003725fbecff166cb851b01a3d14b5f62712 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-28 17:41
Reported
2024-12-28 17:44
Platform
win10v2004-20241007-en
Max time kernel
123s
Max time network
145s
Command Line
Signatures
Bdaejec
Bdaejec family
Detects Bdaejec Backdoor.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\msoasb.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Mozilla Firefox\pingsender.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Mozilla Firefox\maintenanceservice.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7z.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\idlj.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\java.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\schemagen.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\pack200.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Integration\Integrator.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\misc.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\jhat.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\jstat.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\javaw.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\jps.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\jstack.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\wsimport.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\javadoc.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Mozilla Firefox\plugin-container.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\javacpl.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\jstatd.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Java\jdk-1.8\bin\pack200.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| File opened for modification | C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4816 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe |
| PID 4816 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe |
| PID 4816 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe |
| PID 1436 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1436 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1436 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe
"C:\Users\Admin\AppData\Local\Temp\8a2be8b987ef5bfa48ebadd552e7ee55c7910fd805abc38773a98a330de61e1d.exe"
C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe
C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2c3578df.bat" "
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ddos.dnsnb8.net | udp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
| US | 44.221.84.105:799 | ddos.dnsnb8.net | tcp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
memory/4816-0-0x0000000000590000-0x00000000011F1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RVwrSt.exe
| MD5 | 56b2c3810dba2e939a8bb9fa36d3cf96 |
| SHA1 | 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc |
| SHA256 | 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07 |
| SHA512 | 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e |
memory/1436-4-0x00000000002B0000-0x00000000002B9000-memory.dmp
memory/4816-8-0x0000000003510000-0x0000000003610000-memory.dmp
memory/4816-9-0x0000000000590000-0x00000000011F1000-memory.dmp
memory/1436-10-0x00000000002B0000-0x00000000002B9000-memory.dmp
memory/4816-11-0x0000000003510000-0x0000000003610000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\2c3578df.bat
| MD5 | d660eadeaf209eb05b5526beb7f59dc1 |
| SHA1 | ec8bd3a74e95f2bb56891cd1d08e09dbed080606 |
| SHA256 | 29ffb9af81e3fc7dc4a6c0a5556f1e25cc1892670e99988ca7b28ed4c65bbfea |
| SHA512 | 292c27eb860fda6d7229f36ffa507f2f863e13dfa461020cd4dcfaf8b81a4932a6843693d0b4ffaa9b418b47a0c9e49576dde2f25adcf492cb95520802d3c780 |