Analysis
- max time kernel
4294181s - max time network
130s - platform
windows7_x64 - resource
win7-20220223-en - submitted
28/02/2022, 23:17
Static task
static1
Behavioral task
behavioral1
Sample
73e7745f6b8f0bafa0f646cf57d54d71.dll
Resource
win7-20220223-en
General
- Target 73e7745f6b8f0bafa0f646cf57d54d71.dll
- Size 516KB
- Sample220228-29pb2afcf3
- SHA256 88e62d810f2a6fc3741d0a2bb54892f656390c7cd3c7de824eae08dba500b3e2
- MD5 73e7745f6b8f0bafa0f646cf57d54d71
- SHA1 1d8023f6975b74e624aed006f91665d18de180e1
- SHA512 f2817ba8adbdaa1935f47ce55565adbca2cdb31b9d503b14d91799dce29d19390e7a93d9d3fc79184ef2b27be1ea9038a6935c835a31c8d7a675edb18f40e73d
- MD5 SHA1 SHA512
Malware Config
Extracted
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emotet
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Epoch5
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185.168.130.138:443
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168.197.250.14:80
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61.7.231.229:443
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62.171.178.147:8080
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93.104.209.107:8080
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37.44.244.177:8080
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198.199.98.78:8080
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139.196.72.155:8080
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185.148.168.15:8080
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45.71.195.104:8080
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207.148.81.119:8080
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203.153.216.46:443
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87.106.97.83:7080
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128.199.192.135:8080
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54.38.242.185:443
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185.184.25.78:8080
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118.98.72.86:443
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54.37.106.167:8080
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59.148.253.194:443
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78.47.204.80:443
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195.77.239.39:8080
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78.46.73.125:443
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85.214.67.203:8080
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210.57.209.142:8080
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190.90.233.66:443
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66.42.57.149:443
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104.131.62.48:8080
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61.7.231.226:443
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159.69.237.188:443
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103.41.204.169:8080
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217.182.143.207:443
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68.183.93.250:443
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195.154.146.35:443
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37.59.209.141:8080
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194.9.172.107:8080
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191.252.103.16:80
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54.37.228.122:443
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185.148.168.220:8080
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116.124.128.206:8080
Signatures
- Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Bvksjzvbsxhnwsk\xnnllufatgbxjm.ehm regsvr32.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 776 regsvr32.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 600 regsvr32.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1652 wrote to memory of 600 1652 regsvr32.exe 27 PID 1652 wrote to memory of 600 1652 regsvr32.exe 27 PID 1652 wrote to memory of 600 1652 regsvr32.exe 27 PID 1652 wrote to memory of 600 1652 regsvr32.exe 27 PID 1652 wrote to memory of 600 1652 regsvr32.exe 27 PID 1652 wrote to memory of 600 1652 regsvr32.exe 27 PID 1652 wrote to memory of 600 1652 regsvr32.exe 27 PID 600 wrote to memory of 776 600 regsvr32.exe 28 PID 600 wrote to memory of 776 600 regsvr32.exe 28 PID 600 wrote to memory of 776 600 regsvr32.exe 28 PID 600 wrote to memory of 776 600 regsvr32.exe 28 PID 600 wrote to memory of 776 600 regsvr32.exe 28 PID 600 wrote to memory of 776 600 regsvr32.exe 28 PID 600 wrote to memory of 776 600 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\73e7745f6b8f0bafa0f646cf57d54d71.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\73e7745f6b8f0bafa0f646cf57d54d71.dll2⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:600 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Bvksjzvbsxhnwsk\xnnllufatgbxjm.ehm"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:776
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