Analysis
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max time kernel
117s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29-10-2022 23:44
Static task
static1
Behavioral task
behavioral1
Sample
18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe
Resource
win10v2004-20220812-en
General
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Target
18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe
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Size
88KB
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MD5
8404ba5c28927c7c1cd383e8ea903500
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SHA1
53aea8823f57f404bd0f8b87f06bf66b700db3c3
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SHA256
18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220
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SHA512
a923998c14781562cd525e18e2c977c57a1a48db448c6f9408a06c212c65a2e6f3366aecee1c07012a11d0c9b2dd5c25c086f85206a1a3e2d055017aafce6668
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SSDEEP
1536:EnXKjomTVLT8bshTDlUxmDz8nrzJpiei4jXjx5qqU:qRaRYbshpz8XJpc4jXN5pU
Malware Config
Signatures
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Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\amurpm.dll 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe File opened for modification C:\Windows\SysWOW64\userinit.exe 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe File opened for modification C:\Windows\SysWOW64\ntxeed.dll 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 744 set thread context of 4336 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 82 -
Program crash 1 IoCs
pid pid_target Process procid_target 5048 4336 WerFault.exe 82 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 744 wrote to memory of 4336 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 82 PID 744 wrote to memory of 4336 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 82 PID 744 wrote to memory of 4336 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 82 PID 744 wrote to memory of 4336 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 82 PID 744 wrote to memory of 4336 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 82 PID 744 wrote to memory of 4336 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 82 PID 744 wrote to memory of 4336 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 82 PID 744 wrote to memory of 4336 744 18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe"C:\Users\Admin\AppData\Local\Temp\18576b5560b4bd31e7be1f7b3082df52352ffd407d2a1a46e49909bf4ca6b220.exe"1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe2⤵PID:4336
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 123⤵
- Program crash
PID:5048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4336 -ip 43361⤵PID:2036