Analysis
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max time kernel
121s -
max time network
122s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
16-11-2021 20:58
Static task
static1
General
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Target
48201730c686363b2e8fe61854036d5c7ec04288da953afc94036e9da44e3846.dll
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Size
252KB
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MD5
f51c5c9f6da502fecc25765979d7b126
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SHA1
2aa427c1ccb5f89bce3d2ab724e903f3483e7d21
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SHA256
48201730c686363b2e8fe61854036d5c7ec04288da953afc94036e9da44e3846
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SHA512
a668a2dde607607eadca221830e655291660d911b3119d758a3d7df07f5d149954f28f0b0d28a51a836067b951f7d29be206a08b8894f6cc77baa26d949fc98d
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 2432 rundll32.exe 23 2432 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Emtdj\fttfhvzcfdznij.wyx 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 2432 rundll32.exe 2432 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 3924 rundll32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 4024 wrote to memory of 1852 4024 rundll32.exe rundll32.exe PID 4024 wrote to memory of 1852 4024 rundll32.exe rundll32.exe PID 4024 wrote to memory of 1852 4024 rundll32.exe rundll32.exe PID 1852 wrote to memory of 3924 1852 rundll32.exe rundll32.exe PID 1852 wrote to memory of 3924 1852 rundll32.exe rundll32.exe PID 1852 wrote to memory of 3924 1852 rundll32.exe rundll32.exe PID 3924 wrote to memory of 1176 3924 rundll32.exe rundll32.exe PID 3924 wrote to memory of 1176 3924 rundll32.exe rundll32.exe PID 3924 wrote to memory of 1176 3924 rundll32.exe rundll32.exe PID 1176 wrote to memory of 2432 1176 rundll32.exe rundll32.exe PID 1176 wrote to memory of 2432 1176 rundll32.exe rundll32.exe PID 1176 wrote to memory of 2432 1176 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\48201730c686363b2e8fe61854036d5c7ec04288da953afc94036e9da44e3846.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\48201730c686363b2e8fe61854036d5c7ec04288da953afc94036e9da44e3846.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\48201730c686363b2e8fe61854036d5c7ec04288da953afc94036e9da44e3846.dll",Control_RunDLL3⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Emtdj\fttfhvzcfdznij.wyx",uVgg4⤵
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Emtdj\fttfhvzcfdznij.wyx",Control_RunDLL5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:2432