Analysis
- max time kernel
129s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
21/01/2022, 09:27
Static task
static1
Behavioral task
behavioral1
Sample
IT8GHjQ.dll
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
IT8GHjQ.dll
Resource
win10v2004-en-20220113
General
- Target IT8GHjQ.dll
- Size 624KB
- Sample220121-lerkxaefdr
- SHA256 c1254259ee85998dfb96c19c1f01fc892603bdd55a11368e10938bdd4e972255
- MD5 832e664a4889855375c5243c8e57c184
- SHA1 49b9153bf82e043c5e2bf510a3fe1fef568b44b6
- SHA512 cf08974d86ab55397101ce7f7e7a6c360ca9ccabb924bfd73cf31f5b2c1301507afb171eb5a46767784f63ca9d0fe85ab0fe20443958f212171e947730e38263
- MD5 SHA1 SHA512
Malware Config
Extracted
-
emotet
-
Epoch4
-
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
-
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
-
212.237.56.116:7080
-
216.158.226.206:443
-
173.212.193.249:8080
-
50.116.54.215:443
-
138.185.72.26:8080
-
41.76.108.46:8080
-
212.237.5.209:443
-
107.182.225.142:8080
-
195.154.133.20:443
-
162.214.50.39:7080
-
110.232.117.186:8080
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\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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 WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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 WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 624 wrote to memory of 1992 624 regsvr32.exe 55 PID 624 wrote to memory of 1992 624 regsvr32.exe 55 PID 624 wrote to memory of 1992 624 regsvr32.exe 55 PID 1992 wrote to memory of 2940 1992 regsvr32.exe 56 PID 1992 wrote to memory of 2940 1992 regsvr32.exe 56 PID 1992 wrote to memory of 2940 1992 regsvr32.exe 56
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\IT8GHjQ.dll1⤵
- Suspicious use of WriteProcessMemory
PID:624 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\IT8GHjQ.dll2⤵
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\IT8GHjQ.dll",DllRegisterServer3⤵PID:2940
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-
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe 5282217f6807a2a94bd08190d5aef8c1 lsjoCe4Ew06oQFxAqOouLQ.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:680