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Analysis
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max time kernel
155s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
05/01/2024, 11:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
43797e7896aba0cdb8adc48e5f9af6fd.exe
Resource
win7-20231129-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
43797e7896aba0cdb8adc48e5f9af6fd.exe
Resource
win10v2004-20231215-en
5 signatures
150 seconds
General
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Target
43797e7896aba0cdb8adc48e5f9af6fd.exe
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Size
46KB
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MD5
43797e7896aba0cdb8adc48e5f9af6fd
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SHA1
a1033d0b68d0eba3ae0518b81bf44f66c967c4d8
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SHA256
5d127a38e613f07bfc80240d1a0e1ad9c1befd974ec50abae7302f4f66ab13bd
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SHA512
2cab895deb4733f305e23be426a672e0842b0939148f5ef43c51126ae553321fb4d96093368a9e44dcd6ab0720ae4c0937c5bd82a3a1771bc3b5ef3f242b8966
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SSDEEP
768:Qjq8bA/wdTnVPJzccqsE123EwLxg6gqVPqZ9K/CTE4S4QOFmIfDbzcPU:QWb/wVnhecqsv02g6gqVPqw/JCbc
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\ntos.exe," 43797e7896aba0cdb8adc48e5f9af6fd.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\ntos.exe 43797e7896aba0cdb8adc48e5f9af6fd.exe File opened for modification C:\Windows\SysWOW64\ntos.exe 43797e7896aba0cdb8adc48e5f9af6fd.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4 PID 2116 wrote to memory of 624 2116 43797e7896aba0cdb8adc48e5f9af6fd.exe 4
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:624
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C:\Users\Admin\AppData\Local\Temp\43797e7896aba0cdb8adc48e5f9af6fd.exe"C:\Users\Admin\AppData\Local\Temp\43797e7896aba0cdb8adc48e5f9af6fd.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116