Analysis
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max time kernel
121s -
max time network
127s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
16-11-2021 22:04
Static task
static1
General
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Target
8bfd2cbd723fb25b8773642a5c46046fc38bc230502269ffafa5760852d5d429.dll
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Size
252KB
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MD5
87824cc93b496071e6e9fdb54afbc800
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SHA1
f766045b5ac11d7fdd1ff0de8f9ec309c4b2119e
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SHA256
8bfd2cbd723fb25b8773642a5c46046fc38bc230502269ffafa5760852d5d429
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SHA512
35c58343f3bc2241bfc1e232edce46035203beec5cfaf3dadbde14b98e472f79652d48bf991d936be2870c389065071df8b8d8b29ed8fcf2ef65468eb1f7ead6
Malware Config
Extracted
emotet
Epoch4
81.0.236.93:443
94.177.248.64:443
66.42.55.5:7080
103.8.26.103:8080
185.184.25.237:8080
45.76.176.10:8080
188.93.125.116:8080
103.8.26.102:8080
178.79.147.66:8080
58.227.42.236:80
45.118.135.203:7080
103.75.201.2:443
195.154.133.20:443
45.142.114.231:8080
212.237.5.209:443
207.38.84.195:8080
104.251.214.46:8080
138.185.72.26:8080
51.68.175.8:8080
210.57.217.132:8080
Signatures
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suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
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suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 18 1252 rundll32.exe 23 1252 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Ujxasuqvrmrkazqr\rcobgvrx.lyn rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 1252 rundll32.exe 1252 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 3748 rundll32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 2704 wrote to memory of 2756 2704 rundll32.exe rundll32.exe PID 2704 wrote to memory of 2756 2704 rundll32.exe rundll32.exe PID 2704 wrote to memory of 2756 2704 rundll32.exe rundll32.exe PID 2756 wrote to memory of 3748 2756 rundll32.exe rundll32.exe PID 2756 wrote to memory of 3748 2756 rundll32.exe rundll32.exe PID 2756 wrote to memory of 3748 2756 rundll32.exe rundll32.exe PID 3748 wrote to memory of 2116 3748 rundll32.exe rundll32.exe PID 3748 wrote to memory of 2116 3748 rundll32.exe rundll32.exe PID 3748 wrote to memory of 2116 3748 rundll32.exe rundll32.exe PID 2116 wrote to memory of 1252 2116 rundll32.exe rundll32.exe PID 2116 wrote to memory of 1252 2116 rundll32.exe rundll32.exe PID 2116 wrote to memory of 1252 2116 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8bfd2cbd723fb25b8773642a5c46046fc38bc230502269ffafa5760852d5d429.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8bfd2cbd723fb25b8773642a5c46046fc38bc230502269ffafa5760852d5d429.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\8bfd2cbd723fb25b8773642a5c46046fc38bc230502269ffafa5760852d5d429.dll",Control_RunDLL3⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ujxasuqvrmrkazqr\rcobgvrx.lyn",EdGoTXp4⤵
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ujxasuqvrmrkazqr\rcobgvrx.lyn",Control_RunDLL5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:1252