Analysis
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max time kernel
124s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
16-11-2021 21:28
Static task
static1
General
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Target
397278709862f16fda45de9787f89a2155ceb14a8ee29447670ca01a8966ddda.dll
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Size
252KB
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MD5
0eed42b75e7ed30b961e25ff01b8ca95
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SHA1
4e2b269ab71879d3580b359b4cb4dc3504eb6336
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SHA256
397278709862f16fda45de9787f89a2155ceb14a8ee29447670ca01a8966ddda
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SHA512
e91354de3679130e1564b018a770f70bd2386568001420e1d9f78cc5107870b9f033a6bd6d253dda61742b5140b670996a26df4fc42e1948f6db66c8b2be87ed
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 20 4044 rundll32.exe 23 4044 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Zkhlu\obpwfxuurz.tdy 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 4044 rundll32.exe 4044 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 4148 rundll32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 3588 wrote to memory of 3576 3588 rundll32.exe rundll32.exe PID 3588 wrote to memory of 3576 3588 rundll32.exe rundll32.exe PID 3588 wrote to memory of 3576 3588 rundll32.exe rundll32.exe PID 3576 wrote to memory of 4148 3576 rundll32.exe rundll32.exe PID 3576 wrote to memory of 4148 3576 rundll32.exe rundll32.exe PID 3576 wrote to memory of 4148 3576 rundll32.exe rundll32.exe PID 4148 wrote to memory of 4008 4148 rundll32.exe rundll32.exe PID 4148 wrote to memory of 4008 4148 rundll32.exe rundll32.exe PID 4148 wrote to memory of 4008 4148 rundll32.exe rundll32.exe PID 4008 wrote to memory of 4044 4008 rundll32.exe rundll32.exe PID 4008 wrote to memory of 4044 4008 rundll32.exe rundll32.exe PID 4008 wrote to memory of 4044 4008 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\397278709862f16fda45de9787f89a2155ceb14a8ee29447670ca01a8966ddda.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\397278709862f16fda45de9787f89a2155ceb14a8ee29447670ca01a8966ddda.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\397278709862f16fda45de9787f89a2155ceb14a8ee29447670ca01a8966ddda.dll",Control_RunDLL3⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Zkhlu\obpwfxuurz.tdy",umuvhyqUEYi4⤵
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Zkhlu\obpwfxuurz.tdy",Control_RunDLL5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:4044