Analysis
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max time kernel
177s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2022 05:39
Static task
static1
Behavioral task
behavioral1
Sample
8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe
Resource
win10v2004-20220812-en
General
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Target
8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe
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Size
52KB
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MD5
0cda8babe6466ba9d6c392160339b010
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SHA1
1eccc9c2c7ff81481f65a5cfb5612b19ae243c02
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SHA256
8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675
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SHA512
c26869165ce769a7d068f0182508306cb609a7b1cf65e269e0fdf1f629f4eed6280662b850dd1d3862437da3c9e6850d51989e36440e34e68b12c65324af2909
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SSDEEP
768:354X+naCQJBl5DRPvHIlgSB/RF6OWM/a11x1K+XpYX+:3iunW5D9IBpFDWXpC+
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 1932 takeown.exe 3904 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
icacls.exetakeown.exepid process 3904 icacls.exe 1932 takeown.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wynp = "c:\\windows\\system32\\tlrqx.exe" 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe -
Drops file in System32 directory 2 IoCs
Processes:
8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exedescription ioc process File opened for modification \??\c:\windows\SysWOW64\tlrqx.exe 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe File created \??\c:\windows\SysWOW64\tlrqx.exe 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exepid process 2240 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exedescription pid process target process PID 2240 wrote to memory of 1932 2240 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe takeown.exe PID 2240 wrote to memory of 1932 2240 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe takeown.exe PID 2240 wrote to memory of 1932 2240 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe takeown.exe PID 2240 wrote to memory of 3904 2240 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe icacls.exe PID 2240 wrote to memory of 3904 2240 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe icacls.exe PID 2240 wrote to memory of 3904 2240 8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.exe"C:\Users\Admin\AppData\Local\Temp\8ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675.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\tlrqx.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\tlrqx.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\tlrqx.exeFilesize
52KB
MD50cda8babe6466ba9d6c392160339b010
SHA11eccc9c2c7ff81481f65a5cfb5612b19ae243c02
SHA2568ec3e1a846744b4b4eea1cab1db2cccbcec4f72dd8fba34a0dce3727b0c7d675
SHA512c26869165ce769a7d068f0182508306cb609a7b1cf65e269e0fdf1f629f4eed6280662b850dd1d3862437da3c9e6850d51989e36440e34e68b12c65324af2909
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memory/1932-134-0x0000000000000000-mapping.dmp
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memory/3904-135-0x0000000000000000-mapping.dmp