Analysis
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max time kernel
91s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
04-02-2024 06:43
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8e7aacd9669eb2c72dc6db9fd6af3b70.dll
Resource
win7-20231215-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
8e7aacd9669eb2c72dc6db9fd6af3b70.dll
Resource
win10v2004-20231222-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
8e7aacd9669eb2c72dc6db9fd6af3b70.dll
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Size
41KB
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MD5
8e7aacd9669eb2c72dc6db9fd6af3b70
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SHA1
5d972f65e9f31cf39afc9d032136943ac39b92f0
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SHA256
1584fe5cf3b14c738ab0e5a3b39c0f0f4c2f5bcd9cd2c898d899c967fb9c1461
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SHA512
16c695d2f5a345a29cf913a23fedad351eeaaab0935a776566d93f21c891fb3164cd95a61fe48184b8bf51cb8b6d2aaff07e2a2519b343bc2e5534c38d4d477a
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SSDEEP
768:rGu8NTJ5NLiNx+JABKN8WKJg7PBptwbWcZj3ko53RhY:yu8NN5NGNxmAIN8WKJgVrwtZf3RhY
Score
5/10
Malware Config
Signatures
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Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\espter.sys rundll32.exe File created C:\Windows\SysWOW64\sperls.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\sperls.dll rundll32.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe 5028 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5028 rundll32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4804 wrote to memory of 5028 4804 rundll32.exe 73 PID 4804 wrote to memory of 5028 4804 rundll32.exe 73 PID 4804 wrote to memory of 5028 4804 rundll32.exe 73 PID 5028 wrote to memory of 3404 5028 rundll32.exe 58
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8e7aacd9669eb2c72dc6db9fd6af3b70.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8e7aacd9669eb2c72dc6db9fd6af3b70.dll,#12⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5028
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3404