Analysis
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max time kernel
164s -
max time network
227s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
16-11-2021 20:45
Static task
static1
General
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Target
b0e7ee22e05df1ae1ecdb1bc999685940c5e2f04d44f665a1ecfb2ab2387052b.dll
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Size
252KB
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MD5
8acbcc88780b38436d4ed55eacbaf5ca
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SHA1
e934b62766822cc5cd275ce45a1c0b89fa37c40d
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SHA256
b0e7ee22e05df1ae1ecdb1bc999685940c5e2f04d44f665a1ecfb2ab2387052b
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SHA512
f169bd14858121abfac4bb79752204afc988675536a2ed7698abf43543029c1e97d97a949d13b96b216f8d77c104b8344d9a0db2d751bf8299543516f4a53fac
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 16 772 rundll32.exe 25 772 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Xhiwacbr\adgdhxroavzn.taf 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 772 rundll32.exe 772 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 3364 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 3364 2756 rundll32.exe rundll32.exe PID 2756 wrote to memory of 3364 2756 rundll32.exe rundll32.exe PID 2756 wrote to memory of 3364 2756 rundll32.exe rundll32.exe PID 3364 wrote to memory of 3340 3364 rundll32.exe rundll32.exe PID 3364 wrote to memory of 3340 3364 rundll32.exe rundll32.exe PID 3364 wrote to memory of 3340 3364 rundll32.exe rundll32.exe PID 3340 wrote to memory of 772 3340 rundll32.exe rundll32.exe PID 3340 wrote to memory of 772 3340 rundll32.exe rundll32.exe PID 3340 wrote to memory of 772 3340 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b0e7ee22e05df1ae1ecdb1bc999685940c5e2f04d44f665a1ecfb2ab2387052b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b0e7ee22e05df1ae1ecdb1bc999685940c5e2f04d44f665a1ecfb2ab2387052b.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\b0e7ee22e05df1ae1ecdb1bc999685940c5e2f04d44f665a1ecfb2ab2387052b.dll",Control_RunDLL3⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xhiwacbr\adgdhxroavzn.taf",FphniFJKtTeiNxX4⤵
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Xhiwacbr\adgdhxroavzn.taf",Control_RunDLL5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:772