Analysis
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max time kernel
46s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19-11-2022 06:16
Static task
static1
Behavioral task
behavioral1
Sample
e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe
Resource
win10v2004-20220812-en
General
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Target
e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe
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Size
48KB
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MD5
25cf7b8eb6bd27845eb08b4cd2b61161
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SHA1
38e2963e468bceafa69678536b802ea5fe2b7a00
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SHA256
e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839
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SHA512
8417523f565c20ea6620a5cfdf84f1d5509e552c7efead74b8fad9a40782a288d517efc1992b629003996d20b3a4f84ec8d6d4f7ffeb6813dd9b229010389654
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SSDEEP
768:2pX3RVKD5K71CRLnzpayTA27iRnauh2oNlTnoCUxcEe4:0nqXzFANQu9ot5e4
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 1988 takeown.exe 1312 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 1988 takeown.exe 1312 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JdWegah = "c:\\windows\\system32\\hchjw.exe" e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe -
Drops file in System32 directory 2 IoCs
Processes:
e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exedescription ioc process File opened for modification \??\c:\windows\SysWOW64\hchjw.exe e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe File created \??\c:\windows\SysWOW64\hchjw.exe e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exepid process 1460 e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exedescription pid process target process PID 1460 wrote to memory of 1988 1460 e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe takeown.exe PID 1460 wrote to memory of 1988 1460 e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe takeown.exe PID 1460 wrote to memory of 1988 1460 e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe takeown.exe PID 1460 wrote to memory of 1988 1460 e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe takeown.exe PID 1460 wrote to memory of 1312 1460 e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe icacls.exe PID 1460 wrote to memory of 1312 1460 e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe icacls.exe PID 1460 wrote to memory of 1312 1460 e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe icacls.exe PID 1460 wrote to memory of 1312 1460 e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.exe"C:\Users\Admin\AppData\Local\Temp\e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839.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\hchjw.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\hchjw.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\hchjw.exeFilesize
48KB
MD525cf7b8eb6bd27845eb08b4cd2b61161
SHA138e2963e468bceafa69678536b802ea5fe2b7a00
SHA256e3c44d58009a5b4176ceb2cd3f8d6c5fe59a8b6b63e31704254b8ac8e11dd839
SHA5128417523f565c20ea6620a5cfdf84f1d5509e552c7efead74b8fad9a40782a288d517efc1992b629003996d20b3a4f84ec8d6d4f7ffeb6813dd9b229010389654
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memory/1312-57-0x0000000000000000-mapping.dmp
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memory/1988-56-0x0000000000000000-mapping.dmp