Analysis
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max time kernel
83s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
16-04-2022 05:38
Static task
static1
Behavioral task
behavioral1
Sample
ffluyhes.dll
Resource
win7-20220414-en
General
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Target
ffluyhes.dll
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Size
608KB
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MD5
9a79cf9f3d181be0c7328ad7f43a2294
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SHA1
c9f1d68fbe86bd0f8ef7b5c74869a03eb5bffa1d
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SHA256
6d9928db2e64a0727d4c98a3ea74fca19306f30bb29beb3f7c2ae384a33f989b
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SHA512
facbc44058928e7e8f95a70e5e833c395f38ae8ab3177e139df1e03d41d67a784b039df428cb07ff0ca04f270e1a997c5903ee84c443fd8d372f341e400334f4
Malware Config
Extracted
emotet
Epoch5
5.189.160.61:443
94.177.178.26:8080
202.29.239.162:443
54.38.143.246:7080
119.59.125.140:8080
185.148.168.15:8080
188.166.229.148:443
2.58.16.87:8080
104.131.62.48:8080
103.82.248.59:7080
37.59.209.141:8080
103.133.214.242:8080
195.77.239.39:8080
128.199.192.135:8080
78.47.204.80:443
59.148.253.194:443
87.106.97.83:7080
45.71.195.104:8080
85.214.67.203:8080
139.196.72.155:8080
210.57.209.142:8080
194.9.172.107:8080
116.124.128.206:8080
118.98.72.86:443
203.153.216.46:443
202.28.34.99:8080
54.37.228.122:443
202.134.4.210:7080
88.217.172.165:8080
196.44.98.190:8080
195.154.146.35:443
217.182.143.207:443
36.67.23.59:443
207.148.81.119:8080
190.90.233.66:443
66.42.57.149:443
85.25.120.45:8080
93.104.209.107:8080
68.183.93.250:443
103.42.58.120:7080
5.56.132.177:8080
159.69.237.188:443
51.68.141.164:8080
54.37.106.167:8080
198.199.98.78:8080
54.38.242.185:443
62.171.178.147:8080
37.44.244.177:8080
103.41.204.169:8080
78.46.73.125:443
185.148.168.220:8080
191.252.103.16:80
175.126.176.79:8080
Signatures
-
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
-
Loads dropped DLL 1 IoCs
pid Process 432 regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Qcuwdisa\cfrucfir.ssh regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 432 regsvr32.exe 432 regsvr32.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 5020 regsvr32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4612 wrote to memory of 5020 4612 regsvr32.exe 78 PID 4612 wrote to memory of 5020 4612 regsvr32.exe 78 PID 4612 wrote to memory of 5020 4612 regsvr32.exe 78 PID 5020 wrote to memory of 432 5020 regsvr32.exe 79 PID 5020 wrote to memory of 432 5020 regsvr32.exe 79 PID 5020 wrote to memory of 432 5020 regsvr32.exe 79
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ffluyhes.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ffluyhes.dll2⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Qcuwdisa\cfrucfir.ssh"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:432
-
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
608KB
MD59a79cf9f3d181be0c7328ad7f43a2294
SHA1c9f1d68fbe86bd0f8ef7b5c74869a03eb5bffa1d
SHA2566d9928db2e64a0727d4c98a3ea74fca19306f30bb29beb3f7c2ae384a33f989b
SHA512facbc44058928e7e8f95a70e5e833c395f38ae8ab3177e139df1e03d41d67a784b039df428cb07ff0ca04f270e1a997c5903ee84c443fd8d372f341e400334f4