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Analysis
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max time kernel
139s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
26/01/2024, 04:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
76654e6cb55d459aef4bade9e86c9820.dll
Resource
win7-20231215-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
76654e6cb55d459aef4bade9e86c9820.dll
Resource
win10v2004-20231215-en
4 signatures
150 seconds
General
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Target
76654e6cb55d459aef4bade9e86c9820.dll
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Size
23KB
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MD5
76654e6cb55d459aef4bade9e86c9820
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SHA1
fe6bfadab101d02890b3f6960526f82ce49b2ee1
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SHA256
39f4f6a61b2ed4956ba96d61acae784fbf67f1a48b83f1218a1959168323d078
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SHA512
a3c4a97268132ab1c198020ccccf8fa7a303f937f78369888cb347676e65497e3cbe4710601c5f633cb481cb188d952240d80003b6e1901c5039445ec7e389a3
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SSDEEP
384:DaGcv+dJrxlI2z8j0INbuLsPMwPq/hc9ZYAbw1cZZqpruc:O1+dhxlI08j0INbuLsPUnAbWcZg5V
Score
5/10
Malware Config
Signatures
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Drops file in System32 directory 2 IoCs
description ioc Process 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 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3008 rundll32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3024 wrote to memory of 3008 3024 rundll32.exe 86 PID 3024 wrote to memory of 3008 3024 rundll32.exe 86 PID 3024 wrote to memory of 3008 3024 rundll32.exe 86 PID 3008 wrote to memory of 3344 3008 rundll32.exe 51
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3344
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\76654e6cb55d459aef4bade9e86c9820.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\76654e6cb55d459aef4bade9e86c9820.dll,#13⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008
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