Analysis
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max time kernel
383s -
max time network
618s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
03-01-2023 17:19
Behavioral task
behavioral1
Sample
cl.dll
Resource
win10-20220812-en
windows10-1703-x64
2 signatures
600 seconds
General
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Target
cl.dll
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Size
60KB
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MD5
3818348bf02665342f21837a7bbcfe7a
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SHA1
7da458e626acf26b5228280c16910957c08a196b
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SHA256
f77eaf7513d509f9caa244d8016f010efa5a9513947e9a6dfedea6855ee93179
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SHA512
381c120181e95fa9446133152e164f11a67330f4665abf9924805866b8fdfde202311ee0ef00ae7508a967687272ac8ff382a57a0c9643dbde9ec2dbe83360ae
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SSDEEP
768:hO4apg9TJD/UFPvh45g1WmxValWf5uJMj9TX8Vd76o1x6:hHT+4mjw4IdZx
Score
3/10
Malware Config
Signatures
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Program crash 3 IoCs
pid pid_target Process procid_target 4736 60 WerFault.exe 65 4068 4264 WerFault.exe 73 5116 4996 WerFault.exe 75 -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4140 wrote to memory of 4264 4140 cmd.exe 73 PID 4140 wrote to memory of 4264 4140 cmd.exe 73 PID 4140 wrote to memory of 4996 4140 cmd.exe 75 PID 4140 wrote to memory of 4996 4140 cmd.exe 75 PID 4140 wrote to memory of 4008 4140 cmd.exe 77 PID 4140 wrote to memory of 4008 4140 cmd.exe 77
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cl.dll,#11⤵PID:60
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 60 -s 2202⤵
- Program crash
PID:4736
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Windows\system32\regsvr32.exeregsvr32 cl.dll2⤵PID:4264
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4264 -s 3803⤵
- Program crash
PID:4068
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C:\Windows\system32\regsvr32.exeregsvr32 /s cl.dll2⤵PID:4996
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4996 -s 3803⤵
- Program crash
PID:5116
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C:\Windows\system32\rundll32.exerundll32 cl.dll2⤵PID:4008
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