Analysis
- max time kernel
139s - max time network
148s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
24/01/2022, 16:57
Static task
static1
Behavioral task
behavioral1
Sample
Yze4MHxGsvEFpbjb.dll
Resource
win7-en-20211208
General
- Target Yze4MHxGsvEFpbjb.dll
- Size 664KB
- Sample220124-vf9mjsfhhp
- SHA256 0e104fe5205d21e4432cb09fb3e33fd9a0a1656a7b01691ee8a1b73c559d5cef
- MD5 0b510b458e5c95d8683bad551ce18d2d
- SHA1 e8b7442078d2528e6c4a40ec1f0f7531c6dfb564
- SHA512 1e82f1fe0dfc6895f5b80af70c8aed2303ed1437271d1d26deaf5e9e80f07365f08e0f680725658050f6192e7e0e9f713a5fc749968caf64aa0a66eaa0155b2d
- MD5 SHA1 SHA512
Malware Config
Extracted
-
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 3804 wrote to memory of 3100 3804 regsvr32.exe 68 PID 3804 wrote to memory of 3100 3804 regsvr32.exe 68 PID 3804 wrote to memory of 3100 3804 regsvr32.exe 68 PID 3100 wrote to memory of 3032 3100 regsvr32.exe 69 PID 3100 wrote to memory of 3032 3100 regsvr32.exe 69 PID 3100 wrote to memory of 3032 3100 regsvr32.exe 69
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\Yze4MHxGsvEFpbjb.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3804 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\Yze4MHxGsvEFpbjb.dll2⤵
- Suspicious use of WriteProcessMemory
PID:3100 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Yze4MHxGsvEFpbjb.dll",DllRegisterServer3⤵PID:3032
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