Analysis
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max time kernel
84s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
16-11-2021 21:55
Static task
static1
General
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Target
728688bbc42cc7d6b89048c35d64e7efa56f7c7e53333fd018f2cb94fc18f545.dll
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Size
252KB
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MD5
6f890539668493148c83f2c35e3e029a
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SHA1
b3e19db6e9f967f40352463b72f1efc3ad57679f
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SHA256
728688bbc42cc7d6b89048c35d64e7efa56f7c7e53333fd018f2cb94fc18f545
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SHA512
eb6ebe7ba9ef70aa8dfd3036f703df08985530f2f852fe806be64490ac82793038e7818b37d96721e42afe208dd65c0ac1cce82d890edb379ea5f24b8681b6e0
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 1828 rundll32.exe 23 1828 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Vhvfpcujjdhnol\laazycrmsbiij.eju 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 1828 rundll32.exe 1828 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 3956 rundll32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 3664 wrote to memory of 2128 3664 rundll32.exe rundll32.exe PID 3664 wrote to memory of 2128 3664 rundll32.exe rundll32.exe PID 3664 wrote to memory of 2128 3664 rundll32.exe rundll32.exe PID 2128 wrote to memory of 3956 2128 rundll32.exe rundll32.exe PID 2128 wrote to memory of 3956 2128 rundll32.exe rundll32.exe PID 2128 wrote to memory of 3956 2128 rundll32.exe rundll32.exe PID 3956 wrote to memory of 4060 3956 rundll32.exe rundll32.exe PID 3956 wrote to memory of 4060 3956 rundll32.exe rundll32.exe PID 3956 wrote to memory of 4060 3956 rundll32.exe rundll32.exe PID 4060 wrote to memory of 1828 4060 rundll32.exe rundll32.exe PID 4060 wrote to memory of 1828 4060 rundll32.exe rundll32.exe PID 4060 wrote to memory of 1828 4060 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\728688bbc42cc7d6b89048c35d64e7efa56f7c7e53333fd018f2cb94fc18f545.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\728688bbc42cc7d6b89048c35d64e7efa56f7c7e53333fd018f2cb94fc18f545.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\728688bbc42cc7d6b89048c35d64e7efa56f7c7e53333fd018f2cb94fc18f545.dll",Control_RunDLL3⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Vhvfpcujjdhnol\laazycrmsbiij.eju",ZhLQawFrzpkTh4⤵
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Vhvfpcujjdhnol\laazycrmsbiij.eju",Control_RunDLL5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:1828