Analysis
- max time kernel
119s - max time network
124s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
21/01/2022, 18:20
Static task
static1
Behavioral task
behavioral1
Sample
D4cEFfIh8TP.dll
Resource
win7-en-20211208
General
- Target D4cEFfIh8TP.dll
- Size 612KB
- Sample220121-wyrp5aahdn
- SHA256 e39bda1e5d4f990da43aad6b5ddd94ec34b189f4ed0eca1771a1ffae6a82995b
- MD5 c6d8d14d9a9f4649695fb9ddfeb60c0a
- SHA1 4a1580e8939656fa10a5ac57a38dab14e2c86abb
- SHA512 bc736e3326bbb36a51903d292d395cb131c56f086b3325eb3ccb52ff2006453d58b931fa20b709abe58a9b0a718fac0ef2d086a1c3432429760bade15c76741a
- MD5 SHA1 SHA512
Malware Config
Extracted
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emotet
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Epoch4
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131.100.24.231:80
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209.59.138.75:7080
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103.8.26.103:8080
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51.38.71.0:443
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212.237.17.99:8080
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79.172.212.216:8080
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207.38.84.195:8080
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104.168.155.129:8080
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178.79.147.66:8080
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46.55.222.11:443
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103.8.26.102:8080
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192.254.71.210:443
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45.176.232.124:443
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203.114.109.124:443
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51.68.175.8:8080
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58.227.42.236:80
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45.142.114.231:8080
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217.182.143.207:443
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178.63.25.185:443
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45.118.115.99:8080
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103.75.201.2:443
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104.251.214.46:8080
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158.69.222.101:443
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81.0.236.90:443
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45.118.135.203:7080
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176.104.106.96:8080
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212.237.56.116:7080
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216.158.226.206:443
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173.212.193.249:8080
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50.116.54.215:443
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138.185.72.26:8080
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41.76.108.46:8080
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212.237.5.209:443
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107.182.225.142:8080
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195.154.133.20:443
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162.214.50.39:7080
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110.232.117.186:8080
Signatures
- Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3796 wrote to memory of 4032 3796 regsvr32.exe 69 PID 3796 wrote to memory of 4032 3796 regsvr32.exe 69 PID 3796 wrote to memory of 4032 3796 regsvr32.exe 69 PID 4032 wrote to memory of 3668 4032 regsvr32.exe 70 PID 4032 wrote to memory of 3668 4032 regsvr32.exe 70 PID 4032 wrote to memory of 3668 4032 regsvr32.exe 70
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\D4cEFfIh8TP.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\D4cEFfIh8TP.dll2⤵
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\D4cEFfIh8TP.dll",DllRegisterServer3⤵PID:3668
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