Analysis Overview
SHA256
14c2553770ce1d8784cdd691d03f2d215c7112e29cc01701c9c5e8cd27b122f6
Threat Level: Likely malicious
The file Kawaii.exe was found to be: Likely malicious.
Malicious Activity Summary
Possible privilege escalation attempt
Drops file in Drivers directory
Boot or Logon Autostart Execution: Active Setup
Executes dropped EXE
Modifies file permissions
Drops file in System32 directory
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Runs .reg file with regedit
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-04 03:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-04 03:20
Reported
2024-11-04 03:22
Platform
win7-20240903-en
Max time kernel
75s
Max time network
57s
Command Line
Signatures
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Active Setup\Installed Components | C:\Windows\explorer.exe | N/A |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\System32\drivers\Kawaii.exe | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
Possible privilege escalation attempt
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
| N/A | N/A | C:\Windows\system32\takeown.exe | N/A |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\Win32\Windows\Kawaii\Temp\fondo1.jpg | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| File created | C:\Windows\System32\Kawaii.exe | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| File opened for modification | C:\Windows\System32\Win32\Windows\Kawaii\Temp\icon.ico | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| File opened for modification | C:\Windows\System32\Win32\Windows\Kawaii\Temp\fondo.jpg | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| File opened for modification | C:\Windows\System32\Win32\Windows\Kawaii\Temp\fondo2.jpg | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| File opened for modification | C:\Windows\System32\Win32\Windows\Kawaii\Temp\control.reg | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| File created | C:\Windows\System32\Win32\Windows\Kawaii\Temp\Kawaii.exe | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| File opened for modification | C:\Windows\System32\Win32\Windows\Kawaii\Temp\Kawaii.exe | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| File opened for modification | C:\Windows\System32\Win32\Windows\Kawaii\Temp\flower_blue.ani | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| File opened for modification | C:\Windows\System32\Win32\Windows\Kawaii\Temp\gemido.wav | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Win32\Temp\Kawaii.exe | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Kawaii.exe | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202 | C:\Windows\explorer.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0000000001000000ffffffff | C:\Windows\explorer.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings | C:\Windows\explorer.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell | C:\Windows\explorer.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU | C:\Windows\explorer.exe | N/A |
Runs .reg file with regedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\regedit.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\takeown.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\explorer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\System32\shutdown.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\System32\shutdown.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Kawaii.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Kawaii.exe
"C:\Users\Admin\AppData\Local\Temp\Kawaii.exe"
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
C:\Users\Admin\AppData\Local\Temp\Kawaii.exe
"C:\Users\Admin\AppData\Local\Temp\Kawaii.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\gpedit.msc && icacls C:\Windows\System32\gpedit.msc /grant %username%:F && takeown /f C:\Windows\System32\mmc.exe && icacls C:\Windows\System32\mmc.exe /grant %username%:F && takeown /f C:\Windows\System32\taskkill.exe && icacls C:\Windows\System32\taskkill.exe /grant %username%:F && exit
C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32\gpedit.msc
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32\gpedit.msc /grant Admin:F
C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32\mmc.exe
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32\mmc.exe /grant Admin:F
C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32\taskkill.exe
C:\Windows\system32\icacls.exe
icacls C:\Windows\System32\taskkill.exe /grant Admin:F
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k regedit /s "C:/Windows/System32/Win32/Windows/Kawaii/Temp/control.reg && exit" && exit
C:\Windows\explorer.exe
explorer.exe
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k notepad C:/Users/nota.txt && exit
C:\Windows\regedit.exe
regedit /s "C:/Windows/System32/Win32/Windows/Kawaii/Temp/control.reg && exit"
C:\Windows\system32\notepad.exe
notepad C:/Users/nota.txt
C:\Windows\System32\shutdown.exe
"C:\Windows\System32\shutdown.exe" -f -r -t 3
Network
Files
memory/2092-0-0x000007FEF5AC3000-0x000007FEF5AC4000-memory.dmp
memory/2092-1-0x0000000000AC0000-0x000000000100C000-memory.dmp
memory/2092-2-0x000007FEF5AC0000-0x000007FEF64AC000-memory.dmp
memory/2092-3-0x000007FEF5AC0000-0x000007FEF64AC000-memory.dmp
memory/2092-4-0x000007FEF5AC0000-0x000007FEF64AC000-memory.dmp
memory/2092-5-0x000007FEF5AC0000-0x000007FEF64AC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Kawaii.exe
| MD5 | d9dabab21dc0ae729cd41a81850e8593 |
| SHA1 | afca150f0964df9bf4c9336465ed0ff3c7ed4900 |
| SHA256 | 14c2553770ce1d8784cdd691d03f2d215c7112e29cc01701c9c5e8cd27b122f6 |
| SHA512 | 0caf4e854dd4458f8a2d730fe56d6a4c19cf1af5eb7e4b3534b34fd6758be15fbe320c4f823bd53d22d983a0f2fc14e4a8662d7d6c223e823ffa6423f617c5a3 |
memory/2600-7-0x0000000000040000-0x000000000058C000-memory.dmp
C:\Users\nota.txt
| MD5 | 0aea1502a4192f4fcd8d25d4172ec0e5 |
| SHA1 | adcc286452580eee1a6d651c63f54cdaaadc23e0 |
| SHA256 | acab5764875cdbb4a37299d32da3680ff66221072eb8a044375a872d3b1a9eee |
| SHA512 | 33ed0647cd4a81e1aa71fa9faa3d548b6fd2596822315dc41eefde1e57dae4440476e128d79288c47636e3ceac0a435b532b6d2c7eefc52c5910385b57771edb |