Analysis Overview
SHA256
9ce36bf852b19244ba6a3aad4cd925caf7f2de79c9580e0ed856a23baaa59eba
Threat Level: Known bad
The file Vienna-EXEC.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Looks for VirtualBox Guest Additions in registry
AgentTesla payload
Looks for VMWare Tools registry key
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Maps connected drives based on registry
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious use of FindShellTrayWindow
Creates scheduled task(s)
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 07:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 07:15
Reported
2024-06-01 07:18
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
147s
Command Line
Signatures
AgentTesla
AgentTesla payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Svhost = "C:\\Users\\Admin\\AppData\\Roaming\\Svhost.exe" | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Svhost.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tt.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1344 wrote to memory of 4364 | N/A | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | C:\Users\Admin\AppData\Local\Temp\tt.exe |
| PID 1344 wrote to memory of 4364 | N/A | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | C:\Users\Admin\AppData\Local\Temp\tt.exe |
| PID 1344 wrote to memory of 4364 | N/A | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | C:\Users\Admin\AppData\Local\Temp\tt.exe |
| PID 1344 wrote to memory of 1056 | N/A | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | C:\Users\Admin\AppData\Local\Temp\Svhost.exe |
| PID 1344 wrote to memory of 1056 | N/A | C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe | C:\Users\Admin\AppData\Local\Temp\Svhost.exe |
| PID 1056 wrote to memory of 4600 | N/A | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | C:\Windows\System32\schtasks.exe |
| PID 1056 wrote to memory of 4600 | N/A | C:\Users\Admin\AppData\Local\Temp\Svhost.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe
"C:\Users\Admin\AppData\Local\Temp\Vienna-EXEC.exe"
C:\Users\Admin\AppData\Local\Temp\tt.exe
"C:\Users\Admin\AppData\Local\Temp\tt.exe"
C:\Users\Admin\AppData\Local\Temp\Svhost.exe
"C:\Users\Admin\AppData\Local\Temp\Svhost.exe"
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Svhost" /tr "C:\Users\Admin\AppData\Roaming\Svhost.exe"
C:\Users\Admin\AppData\Roaming\Svhost.exe
C:\Users\Admin\AppData\Roaming\Svhost.exe
C:\Users\Admin\AppData\Roaming\Svhost.exe
C:\Users\Admin\AppData\Roaming\Svhost.exe
C:\Users\Admin\AppData\Roaming\Svhost.exe
C:\Users\Admin\AppData\Roaming\Svhost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | blood-sticker.gl.at.ply.gg | udp |
| US | 147.185.221.19:65461 | blood-sticker.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 19.221.185.147.in-addr.arpa | udp |
| US | 147.185.221.19:65461 | blood-sticker.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/1344-0-0x00007FFE83653000-0x00007FFE83655000-memory.dmp
memory/1344-1-0x00000000003C0000-0x0000000000500000-memory.dmp
memory/1344-2-0x000000001B2C0000-0x000000001B3F0000-memory.dmp
memory/1344-3-0x00007FFE83650000-0x00007FFE84111000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tt.exe
| MD5 | bdd7e91ec5ebafbbfb0bd220b435d639 |
| SHA1 | 5f9de84f3990584c208a961064154cf1a463a353 |
| SHA256 | 14e81c1f6462c84909a63a34223f35b1a2b9f53a73f1e79c30c2b2a871556e6b |
| SHA512 | 216fbb914dc28fee7f473bbda2de9ec1fa8dcf637ddbfaaf22aec32a3ef454b3b0d8efb296c70bcfdeff0608cf8948bc8386ad8fd29da1c2f674a1bc3958e5ad |
memory/4364-21-0x000000007488E000-0x000000007488F000-memory.dmp
memory/4364-22-0x0000000000830000-0x00000000008AE000-memory.dmp
memory/4364-23-0x00000000058F0000-0x0000000005E94000-memory.dmp
memory/4364-24-0x0000000005340000-0x00000000053D2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Svhost.exe
| MD5 | 69a4f157bf0bc87f9bcddb65ef00a257 |
| SHA1 | 66eabd44f105875d0ef922b82376e65abdbb9a21 |
| SHA256 | 8e04e32d8aeeabf2aee325579ac865958f24892c5bee6b81f8eb98ee6cfcbe0b |
| SHA512 | a85cb7fbd7d6ac1e4806cb7ff03b93552d494de9fcf36f8311ff69fd475bf3de219280a8387687c31dd5f861e8eab8bd7ec5c759f37c93034f37db81c92405be |
memory/1056-36-0x00007FFE83653000-0x00007FFE83655000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Guna.UI2.dll
| MD5 | c19e9e6a4bc1b668d19505a0437e7f7e |
| SHA1 | 73be712aef4baa6e9dabfc237b5c039f62a847fa |
| SHA256 | 9ac8b65e5c13292a8e564187c1e7446adc4230228b669383bd7b07035ab99a82 |
| SHA512 | b6cd0af436459f35a97db2d928120c53d3691533b01e4f0e8b382f2bd81d9a9a2c57e5e2aa6ade9d6a1746d5c4b2ef6c88d3a0cf519424b34445d0d30aab61de |
memory/1056-42-0x0000000001200000-0x0000000001206000-memory.dmp
memory/1056-41-0x0000000000A10000-0x0000000000A38000-memory.dmp
memory/1056-43-0x00007FFE83650000-0x00007FFE84111000-memory.dmp
memory/4364-40-0x0000000005600000-0x0000000005814000-memory.dmp
memory/4364-44-0x0000000005210000-0x0000000005220000-memory.dmp
memory/4364-45-0x0000000005850000-0x000000000585A000-memory.dmp
memory/1344-46-0x00007FFE83650000-0x00007FFE84111000-memory.dmp
memory/4364-52-0x000000007488E000-0x000000007488F000-memory.dmp
memory/1056-54-0x000000001C390000-0x000000001C39A000-memory.dmp
memory/1056-55-0x00007FFE83653000-0x00007FFE83655000-memory.dmp
memory/1056-56-0x00007FFE83650000-0x00007FFE84111000-memory.dmp
memory/4364-57-0x0000000005210000-0x0000000005220000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Svhost.exe.log
| MD5 | f91be20cbf7fa6f403e352d73b196c79 |
| SHA1 | 2b27b75b7b17d7012ed7655649d644e7d105a548 |
| SHA256 | 8d520c20017c84f0ddd5bdf341c534a9f9ec9e2b6556eaeb1df86a29cf62e0a3 |
| SHA512 | 442ea828390f53956f3a6bcad83dc7b3ada6a01b6319a322e38a523dffaadb01649663c8e33ad898c5a8bdcf1a0ef9805f29f2b61da970a88d7176ee1ae300e6 |