Analysis Overview
SHA256
1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f
Threat Level: Known bad
The file 1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f was found to be: Known bad.
Malicious Activity Summary
Modifies visiblity of hidden/system files in Explorer
Detects executables packed with Themida
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Detects executables packed with Themida
Loads dropped DLL
Executes dropped EXE
Checks BIOS information in registry
Themida packer
Adds Run key to start application
Checks whether UAC is enabled
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Unsigned PE
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 19:25
Signatures
Detects executables packed with Themida
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 19:25
Reported
2024-06-11 19:27
Platform
win7-20231129-en
Max time kernel
150s
Max time network
120s
Command Line
Signatures
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\resources\svchost.exe | N/A |
Detects executables packed with Themida
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | \??\c:\windows\resources\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | \??\c:\windows\resources\spoolsv.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\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | \??\c:\windows\resources\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | \??\c:\windows\resources\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | \??\c:\windows\resources\spoolsv.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" | \??\c:\windows\resources\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" | \??\c:\windows\resources\svchost.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | \??\c:\windows\resources\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\explorer.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\explorer.exe | \??\c:\windows\resources\svchost.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\resources\svchost.exe | \??\c:\windows\resources\spoolsv.exe | N/A |
| File opened for modification | C:\Windows\Resources\tjud.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\resources\themes\explorer.exe | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| File opened for modification | \??\c:\windows\resources\spoolsv.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe
"C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe"
\??\c:\windows\resources\themes\explorer.exe
c:\windows\resources\themes\explorer.exe
\??\c:\windows\resources\spoolsv.exe
c:\windows\resources\spoolsv.exe SE
\??\c:\windows\resources\svchost.exe
c:\windows\resources\svchost.exe
\??\c:\windows\resources\spoolsv.exe
c:\windows\resources\spoolsv.exe PR
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:27 /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:28 /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:29 /f
Network
Files
memory/888-0-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/888-1-0x0000000077E40000-0x0000000077E42000-memory.dmp
\Windows\Resources\Themes\explorer.exe
| MD5 | 6747c7fe7e448219551c1bdf84f082e4 |
| SHA1 | 79423943d9c13a6139ef0b09e993fc3961d49956 |
| SHA256 | cac0641596f2bc440aaf6266a48ab31acf337cec321cc4442b7c99739061b076 |
| SHA512 | 3c4217bc08914e72bfd82bb0fb0c87f6e875b40598ba84d29a193e8acfdd4a96beee3f888fc6dace32128c8d196e8c7da976539560dfe216d825749af4e1248f |
memory/888-11-0x0000000003770000-0x0000000003D7E000-memory.dmp
memory/2356-12-0x0000000000400000-0x0000000000A0E000-memory.dmp
C:\Windows\Resources\spoolsv.exe
| MD5 | a126d9ee8f4000ca13282b2775c22431 |
| SHA1 | 1f1236dedec21a18b5ffc0f23a25bdea5c4d5396 |
| SHA256 | 0022a2bc479056965b713a6e84a7ace63f2f6267014620a8b2e4af59f32123eb |
| SHA512 | 4d8be0122ab480863743581e92dcb4cceb1132ac3ebe3ae9907038e1c746274473a35bfc0616ae66f00594a08001393dcc4536704a976450d2c00193fbac39cd |
memory/3020-24-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/2356-23-0x00000000037F0000-0x0000000003DFE000-memory.dmp
\Windows\Resources\svchost.exe
| MD5 | 548e25c1f9285c990c5e85a0cee7930d |
| SHA1 | 0d90c4572d0ee038cf39fda60f9a680da9a51866 |
| SHA256 | 88f8ba7c12fa60ca9b91f2a806f5b98a2dff46ec57b2327afcda1ed935e306d5 |
| SHA512 | e51c324dc247da4b02062445c91d35eaf003ee7844500bd8ac08c5b1504c901ff871532dbf880d3b880efc795775eab7faf59bdd31d0321d133cae48a5e81f89 |
memory/2588-36-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/3020-35-0x0000000003720000-0x0000000003D2E000-memory.dmp
memory/888-42-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/888-44-0x0000000003770000-0x0000000003D7E000-memory.dmp
memory/2644-45-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/2644-49-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/3020-51-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/888-52-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/2356-53-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/2356-54-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/2588-55-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/2356-62-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/2356-66-0x0000000000400000-0x0000000000A0E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 19:25
Reported
2024-06-11 19:27
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
96s
Command Line
Signatures
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\resources\svchost.exe | N/A |
Detects executables packed with Themida
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | \??\c:\windows\resources\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | \??\c:\windows\resources\spoolsv.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | \??\c:\windows\resources\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | \??\c:\windows\resources\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | \??\c:\windows\resources\spoolsv.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" | \??\c:\windows\resources\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" | \??\c:\windows\resources\svchost.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | \??\c:\windows\resources\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | \??\c:\windows\resources\themes\explorer.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\explorer.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\explorer.exe | \??\c:\windows\resources\svchost.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\resources\themes\explorer.exe | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| File opened for modification | \??\c:\windows\resources\spoolsv.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\resources\svchost.exe | \??\c:\windows\resources\spoolsv.exe | N/A |
| File opened for modification | C:\Windows\Resources\tjud.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe
"C:\Users\Admin\AppData\Local\Temp\1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f.exe"
\??\c:\windows\resources\themes\explorer.exe
c:\windows\resources\themes\explorer.exe
\??\c:\windows\resources\spoolsv.exe
c:\windows\resources\spoolsv.exe SE
\??\c:\windows\resources\svchost.exe
c:\windows\resources\svchost.exe
\??\c:\windows\resources\spoolsv.exe
c:\windows\resources\spoolsv.exe PR
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.77.117.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.77.117.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/4468-0-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/4468-1-0x00000000772A4000-0x00000000772A6000-memory.dmp
C:\Windows\Resources\Themes\explorer.exe
| MD5 | fbcf3c6a8c5606f7e35f08b5fdc4bb8d |
| SHA1 | 186ef5d4bd7a5bcb6f6010d40fe81f6f340d7031 |
| SHA256 | 5be928cec32b1ca8baafa6aa1a95cb7eedbcbc6f09dadf2d4cc5245a69215cec |
| SHA512 | 69be5ba24f4a0ac3cd8c78bc814dd771f37717ceddeaae16915110295a20fcc25d198c4fd087d05b138ddfcb0781878f56bc3bd988515ff036626cfb9d7a415e |
memory/1716-10-0x0000000000400000-0x0000000000A0E000-memory.dmp
C:\Windows\Resources\spoolsv.exe
| MD5 | 4c0684046e7f1d4126e4db6fb8cb03f8 |
| SHA1 | 3f95104319048e9c627317c846e32dfc16de908b |
| SHA256 | 29eb27ef4af4e6448c6b6233eb577490c156c085a42a68964312e19882620280 |
| SHA512 | 63c7f4e9ed344ab1a80ce73deccb66db5eae87ae8e42eb2e3a7b215a99c10b82d12700d25438e12e20c867f7ab4ce25f1040280181ffc75054f9daa902924e9a |
memory/980-19-0x0000000000400000-0x0000000000A0E000-memory.dmp
C:\Windows\Resources\svchost.exe
| MD5 | 5e866d4b1f810c27d83bb6704241d11a |
| SHA1 | b031e9cf5986af20a4b0b5055e46b914d273cb5d |
| SHA256 | 3016d05d494044fa1229b31321dae05f408aee4eb8a9c22ec8177677f07807bf |
| SHA512 | 41229e442dc8d5d26b219ee663756cdd0de88962a620a407e74449165681a9cec966cbe6c4ed651472635a7e5a6943e0584d1d6a60c33204cc0ff83075077b57 |
memory/1004-28-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/3252-33-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/3252-38-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/4468-42-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/980-41-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/1716-43-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/1004-44-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/1716-45-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/1004-55-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/1716-56-0x0000000000400000-0x0000000000A0E000-memory.dmp
memory/1004-63-0x0000000000400000-0x0000000000A0E000-memory.dmp