Analysis
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max time kernel
131s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2022 20:51
Static task
static1
Behavioral task
behavioral1
Sample
3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe
Resource
win10v2004-20220812-en
General
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Target
3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe
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Size
36KB
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MD5
055dcc1eb949b67e63dd8d0d8c6359e6
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SHA1
1e3dd05441904f4c8c662cb1dbf6f405bf9b0c05
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SHA256
3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08
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SHA512
0a75e8aadb0fd6d060334573c1b4e58ccfa5e21b7d4f02905fe1aefb12b053a0cf7dfc70b5bd45054614b1016a14f33262a7f14e7f62afe7db57084e01b52c1b
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SSDEEP
384:/TXuV4FSsVFBY/4a+QegFAw7giczitZqqNEiQ8T0OQr2hcw6vLPh+Jg8U9iu54M4:/Y4FSsTaneQAw9BiqR0O0lwDXG
Malware Config
Signatures
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Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 3196 takeown.exe 4380 icacls.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 3196 takeown.exe 4380 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Zzua = "C:\\Windows\\system32\\hkjdv.exe" 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe -
Drops file in System32 directory 2 IoCs
Processes:
3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exedescription ioc process File created C:\Windows\SysWOW64\hkjdv.exe 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe File opened for modification C:\Windows\SysWOW64\hkjdv.exe 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exepid process 2608 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exedescription pid process target process PID 2608 wrote to memory of 3196 2608 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe takeown.exe PID 2608 wrote to memory of 3196 2608 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe takeown.exe PID 2608 wrote to memory of 3196 2608 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe takeown.exe PID 2608 wrote to memory of 4380 2608 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe icacls.exe PID 2608 wrote to memory of 4380 2608 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe icacls.exe PID 2608 wrote to memory of 4380 2608 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe icacls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe"C:\Users\Admin\AppData\Local\Temp\3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.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\hkjdv.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\hkjdv.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\hkjdv.exeFilesize
36KB
MD5055dcc1eb949b67e63dd8d0d8c6359e6
SHA11e3dd05441904f4c8c662cb1dbf6f405bf9b0c05
SHA2563162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08
SHA5120a75e8aadb0fd6d060334573c1b4e58ccfa5e21b7d4f02905fe1aefb12b053a0cf7dfc70b5bd45054614b1016a14f33262a7f14e7f62afe7db57084e01b52c1b
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memory/3196-134-0x0000000000000000-mapping.dmp
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memory/4380-135-0x0000000000000000-mapping.dmp