Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26-07-2024 17:46
Static task
static1
Behavioral task
behavioral1
Sample
20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe
Resource
win10v2004-20240709-en
General
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Target
20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe
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Size
1.1MB
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MD5
f4d1eb5df87d3c4367610ea748e3328f
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SHA1
cca9813afa027669b352d9efa864cb3689580383
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SHA256
20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2
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SHA512
9c36c6aa7f6f18df97ecf0acc2708d96268c54437c8d5411e5a429e5977a4e328f9a0b4c1a4ee7fa8818337d8af5162b06d7d3972207328f06247f094736a91f
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SSDEEP
24576:FqDEvCTbMWu7rQYlBQcBiT6rprG8aFoauhP3:FTvC/MTQYxsWR7aFVuhP
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.udpl.top - Port:
587 - Username:
[email protected] - Password:
bCj8=*W5G!*n - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\GMSKqj.exe aspack_v212_v242 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
GMSKqj.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation GMSKqj.exe -
Executes dropped EXE 1 IoCs
Processes:
GMSKqj.exepid process 1128 GMSKqj.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 33 api.ipify.org 34 api.ipify.org -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral2/memory/4572-0-0x0000000000FF0000-0x000000000111C000-memory.dmp autoit_exe behavioral2/memory/4572-60-0x0000000000FF0000-0x000000000111C000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exedescription pid process target process PID 4572 set thread context of 2528 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe RegSvcs.exe -
Drops file in Program Files directory 64 IoCs
Processes:
GMSKqj.exedescription ioc process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe GMSKqj.exe File opened for modification C:\Program Files\7-Zip\7z.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE GMSKqj.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE GMSKqj.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe GMSKqj.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe GMSKqj.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE GMSKqj.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe GMSKqj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe GMSKqj.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe GMSKqj.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe GMSKqj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe GMSKqj.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe GMSKqj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe GMSKqj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe GMSKqj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe GMSKqj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
cmd.exeRegSvcs.exe20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exeGMSKqj.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GMSKqj.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2528 RegSvcs.exe 2528 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exepid process 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2528 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exepid process 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exepid process 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 2528 RegSvcs.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exeGMSKqj.exedescription pid process target process PID 4572 wrote to memory of 1128 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe GMSKqj.exe PID 4572 wrote to memory of 1128 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe GMSKqj.exe PID 4572 wrote to memory of 1128 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe GMSKqj.exe PID 1128 wrote to memory of 3400 1128 GMSKqj.exe cmd.exe PID 1128 wrote to memory of 3400 1128 GMSKqj.exe cmd.exe PID 1128 wrote to memory of 3400 1128 GMSKqj.exe cmd.exe PID 4572 wrote to memory of 2528 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe RegSvcs.exe PID 4572 wrote to memory of 2528 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe RegSvcs.exe PID 4572 wrote to memory of 2528 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe RegSvcs.exe PID 4572 wrote to memory of 2528 4572 20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe"C:\Users\Admin\AppData\Local\Temp\20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Users\Admin\AppData\Local\Temp\GMSKqj.exeC:\Users\Admin\AppData\Local\Temp\GMSKqj.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:1128 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\22921ab8.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3400 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\20429c55a73afdab0975bb4aeac8d61bec3431479a91587850745adc350979d2.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2528
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
187B
MD55652e59ad662454a8c847714e78a5fe4
SHA17fb535c87951fa6cbbdcbedd7fe88affff3df570
SHA2560133e27683f8b3daf04afad67fb1d4bac519d772ea7e405876e9f414e20e971d
SHA512df8fe5561f79d1485376be24c03f154bb34c0e2b11a3e7e7756a05ecf94939ec48b1f263dee4af465a13e7306665f207f570590fc2d77909e1f981e24199e319
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD5f7d21de5c4e81341eccd280c11ddcc9a
SHA1d4e9ef10d7685d491583c6fa93ae5d9105d815bd
SHA2564485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
SHA512e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3