Analysis
- max time kernel
122s - max time network
129s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
21/01/2022, 14:02
Static task
static1
Behavioral task
behavioral1
Sample
triage_dropped_file.dll
Resource
win7-en-20211208
General
- Target triage_dropped_file.dll
- Size 624KB
- Sample220121-rb4c7ahfc3
- SHA256 356d6ff7aad2a7d0f987eb4c0d3b5157d50e70369df2a5055b3fa842e642b8d5
- MD5 04a5bd3e1ccc8e7e3eeb479ec8a2e467
- SHA1 9b7e654582bf5e7955952dae7ec8ce35546be9f8
- SHA512 840a8089f19cc5026cf7727f0f207e4b994302224954501e0d4196277008293cd763d17b8027ad16e1fce114536b1aae3403a5a53521ecfd031dd48b53bb867f
- MD5 SHA1 SHA512
Malware Config
Extracted
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emotet
-
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
-
178.63.25.185:443
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45.118.115.99:8080
-
103.75.201.2:443
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104.251.214.46:8080
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158.69.222.101:443
-
81.0.236.90:443
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45.118.135.203:7080
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176.104.106.96:8080
-
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
-
212.237.5.209:443
-
107.182.225.142:8080
-
195.154.133.20:443
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162.214.50.39:7080
-
110.232.117.186:8080
Signatures
- Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3760 wrote to memory of 3064 3760 regsvr32.exe 68 PID 3760 wrote to memory of 3064 3760 regsvr32.exe 68 PID 3760 wrote to memory of 3064 3760 regsvr32.exe 68 PID 3064 wrote to memory of 664 3064 regsvr32.exe 69 PID 3064 wrote to memory of 664 3064 regsvr32.exe 69 PID 3064 wrote to memory of 664 3064 regsvr32.exe 69
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3760 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll2⤵
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll",DllRegisterServer3⤵PID:664
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