Analysis
- max time kernel
83s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
31/01/2022, 15:21
Static task
static1
Behavioral task
behavioral1
Sample
E8OwZoQgVkVixEVy8EV.dll
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
E8OwZoQgVkVixEVy8EV.dll
Resource
win10v2004-en-20220112
General
- Target E8OwZoQgVkVixEVy8EV.dll
- Size 542KB
- Sample220131-srdcdaabb3
- SHA256 6aad5214408f920c7f5a4cc2ac178eaf4db8e8d3e14f07498a6003d614ceef2f
- MD5 dab61fe5ce7e810b784ebb8398278581
- SHA1 4c5a35d02f346ab46a602c85159ca76570aad8c4
- SHA512 52a4a3e658d8ec260f8dd9d1d3d5dd8bdefe949aab29d31699006f7274209780bda3c5f81742f8200dba9297507650fdd6e4621104dd87f6026e0f7ac27b9b86
- MD5 SHA1 SHA512
Malware Config
Extracted
-
emotet
-
Epoch5
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74.207.230.120:8080
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139.196.72.155:8080
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37.44.244.177:8080
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37.59.209.141:8080
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116.124.128.206:8080
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217.182.143.207:443
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54.37.228.122:443
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203.153.216.46:443
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168.197.250.14:80
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207.148.81.119:8080
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195.154.146.35:443
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78.46.73.125:443
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191.252.103.16:80
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210.57.209.142:8080
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185.168.130.138:443
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142.4.219.173:8080
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118.98.72.86:443
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78.47.204.80:443
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159.69.237.188:443
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190.90.233.66:443
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104.131.62.48:8080
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62.171.178.147:8080
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185.148.168.15:8080
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54.38.242.185:443
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198.199.98.78:8080
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194.9.172.107:8080
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85.214.67.203:8080
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66.42.57.149:443
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185.148.168.220:8080
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103.41.204.169:8080
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128.199.192.135:8080
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195.77.239.39:8080
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59.148.253.194:443
Signatures
- Sets service image path in registry 2 TTPs
- Modifies data under HKEY_USERS 41 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4000 wrote to memory of 3476 4000 regsvr32.exe 54 PID 4000 wrote to memory of 3476 4000 regsvr32.exe 54 PID 4000 wrote to memory of 3476 4000 regsvr32.exe 54 PID 3476 wrote to memory of 1836 3476 regsvr32.exe 55 PID 3476 wrote to memory of 1836 3476 regsvr32.exe 55 PID 3476 wrote to memory of 1836 3476 regsvr32.exe 55
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\E8OwZoQgVkVixEVy8EV.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4000 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\E8OwZoQgVkVixEVy8EV.dll2⤵
- Suspicious use of WriteProcessMemory
PID:3476 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\E8OwZoQgVkVixEVy8EV.dll",DllRegisterServer3⤵PID:1836
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe a0bed09182c21b8489f54d3b77b2715c L2KvMEPfV0mKrbOIcKwgBg.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:2132