Analysis
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max time kernel
116s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2022 02:11
Static task
static1
Behavioral task
behavioral1
Sample
433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe
Resource
win10v2004-20220812-en
General
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Target
433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe
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Size
40KB
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MD5
045898fb4fc6526e8a6afc5597009056
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SHA1
1b3cc90c6d85015370ae9f68fcafad6cf429687b
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SHA256
433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8
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SHA512
71fcf3f3f9f31ebb7a85036160ebc043fb4b871307a617898d15690774cdf2b9b1bf3d36293d8def18b40b0fc7b719a0f32eac7126a8d082e2e02786c548115c
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SSDEEP
768:/3NTI4ixr2+LwT6WgPEiqBCFIQAbm12yOHYwpIfpVMyXM6:/NGSXQlOGfpVMyc6
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 3560 takeown.exe 4092 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 3560 takeown.exe 4092 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Daa = "C:\\Windows\\system32\\oncny.exe" 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe -
Drops file in System32 directory 2 IoCs
Processes:
433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exedescription ioc process File created C:\Windows\SysWOW64\oncny.exe 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe File opened for modification C:\Windows\SysWOW64\oncny.exe 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exepid process 5012 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exedescription pid process target process PID 5012 wrote to memory of 3560 5012 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe takeown.exe PID 5012 wrote to memory of 3560 5012 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe takeown.exe PID 5012 wrote to memory of 3560 5012 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe takeown.exe PID 5012 wrote to memory of 4092 5012 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe icacls.exe PID 5012 wrote to memory of 4092 5012 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe icacls.exe PID 5012 wrote to memory of 4092 5012 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe"C:\Users\Admin\AppData\Local\Temp\433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\takeown.exeC:\Windows\system32\takeown.exe /f "C:\Windows\system32\oncny.exe"2⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\SysWOW64\icacls.exeC:\Windows\system32\icacls.exe "C:\Windows\system32\oncny.exe" /grant Users:F2⤵
- Possible privilege escalation attempt
- Modifies file permissions
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\oncny.exeFilesize
40KB
MD5045898fb4fc6526e8a6afc5597009056
SHA11b3cc90c6d85015370ae9f68fcafad6cf429687b
SHA256433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8
SHA51271fcf3f3f9f31ebb7a85036160ebc043fb4b871307a617898d15690774cdf2b9b1bf3d36293d8def18b40b0fc7b719a0f32eac7126a8d082e2e02786c548115c
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memory/3560-134-0x0000000000000000-mapping.dmp
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memory/4092-135-0x0000000000000000-mapping.dmp