Analysis
-
max time kernel
14s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07-11-2022 05:39
Static task
static1
Behavioral task
behavioral1
Sample
8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe
Resource
win10v2004-20220812-en
General
-
Target
8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe
-
Size
40KB
-
MD5
0ce6305e04025187ecf7d77fc0b252e0
-
SHA1
db791b56789cb0d0607af5736776eb5d1ee6391c
-
SHA256
8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc
-
SHA512
8277961cb4bddfc0dfb5449bd867129008185777db27fd7c51121228f883cd8dd1fa8bc95fc10898e8225d1b00a18448d14a54186f205cffd8d166520bad2347
-
SSDEEP
768:/lxovdKAmIJRz7mi3D07UeBKF5SkcZ4PKdXc1sDhl:/lm4AJPz7mGeYsdXc1stl
Malware Config
Signatures
-
Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 1976 takeown.exe 2016 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 1976 takeown.exe 2016 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DkV = "C:\\Windows\\system32\\wrdcw.exe" 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe -
Drops file in System32 directory 2 IoCs
Processes:
8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exedescription ioc process File created C:\Windows\SysWOW64\wrdcw.exe 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe File opened for modification C:\Windows\SysWOW64\wrdcw.exe 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exepid process 1480 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exedescription pid process target process PID 1480 wrote to memory of 1976 1480 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe takeown.exe PID 1480 wrote to memory of 1976 1480 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe takeown.exe PID 1480 wrote to memory of 1976 1480 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe takeown.exe PID 1480 wrote to memory of 1976 1480 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe takeown.exe PID 1480 wrote to memory of 2016 1480 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe icacls.exe PID 1480 wrote to memory of 2016 1480 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe icacls.exe PID 1480 wrote to memory of 2016 1480 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe icacls.exe PID 1480 wrote to memory of 2016 1480 8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe icacls.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe"C:\Users\Admin\AppData\Local\Temp\8c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\takeown.exeC:\Windows\system32\takeown.exe /f "C:\Windows\system32\wrdcw.exe"2⤵
- Possible privilege escalation attempt
- Modifies file permissions
-
C:\Windows\SysWOW64\icacls.exeC:\Windows\system32\icacls.exe "C:\Windows\system32\wrdcw.exe" /grant Users:F2⤵
- Possible privilege escalation attempt
- Modifies file permissions
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Windows\SysWOW64\wrdcw.exeFilesize
40KB
MD50ce6305e04025187ecf7d77fc0b252e0
SHA1db791b56789cb0d0607af5736776eb5d1ee6391c
SHA2568c56114c371cc3487b46b0a24bea94f83a9e75388ca89b4d30250958a2fa54dc
SHA5128277961cb4bddfc0dfb5449bd867129008185777db27fd7c51121228f883cd8dd1fa8bc95fc10898e8225d1b00a18448d14a54186f205cffd8d166520bad2347
-
memory/1976-56-0x0000000000000000-mapping.dmp
-
memory/2016-57-0x0000000000000000-mapping.dmp