Analysis
- max time kernel
151s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
03/02/2022, 00:02
Static task
static1
Behavioral task
behavioral1
Sample
emotet_exe_e4_f065ced39a2e00ca31d19e0bb1691c66d9430df2d94eb64fef9b193760ba2ee8_2022-02-03__000121.dll
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
emotet_exe_e4_f065ced39a2e00ca31d19e0bb1691c66d9430df2d94eb64fef9b193760ba2ee8_2022-02-03__000121.dll
Resource
win10v2004-en-20220112
General
- Target emotet_exe_e4_f065ced39a2e00ca31d19e0bb1691c66d9430df2d94eb64fef9b193760ba2ee8_2022-02-03__000121.dll
- Size 988KB
- Sample220203-abldyacdem
- SHA256 f065ced39a2e00ca31d19e0bb1691c66d9430df2d94eb64fef9b193760ba2ee8
- MD5 75dc960951ddc59d13e037de3c084845
- SHA1 f9826780c5094e7e5ff70e8ba4fee64d05f053cb
- SHA512 577ff5f3c9949e73c3f70d4aef9e7c22f5371af7691b5a63a2d331145bafe40971461d8168c506d585f209aa65646db9a8c13a4ec62177e3cce95015d9dd9eb0
- MD5 SHA1 SHA512
Malware Config
Extracted
-
emotet
-
Epoch4
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23.246.204.126:443
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149.56.163.161:8080
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212.237.5.209:443
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159.89.230.105:443
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178.63.25.185:443
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104.251.214.46:8080
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195.154.133.20:443
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217.182.143.207:443
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103.75.201.4:443
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162.243.175.63:443
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173.212.193.249:8080
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138.185.72.26:8080
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107.182.225.142:8080
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45.118.115.99:8080
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46.55.222.11:443
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212.237.56.116:7080
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178.79.147.66:8080
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160.16.102.168:80
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212.237.17.99:8080
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51.38.71.0:443
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207.38.84.195:8080
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212.24.98.99:8080
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110.232.117.186:8080
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159.8.59.82:8080
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131.100.24.231:80
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58.227.42.236:80
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164.68.99.3:8080
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103.75.201.2:443
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41.76.108.46:8080
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162.214.50.39:7080
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50.116.54.215:443
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203.114.109.124:443
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45.142.114.231:8080
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192.254.71.210:443
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185.157.82.211:8080
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45.118.135.203:7080
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129.232.188.93:443
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45.176.232.124:443
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79.172.212.216:8080
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158.69.222.101:443
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144.76.186.49:8080
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200.17.134.35:7080
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176.104.106.96:8080
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81.0.236.90:443
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216.158.226.206:443
Signatures
- Sets service image path in registry 2 TTPs
- Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe - Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132884967213371054" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.045709" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\CTLs WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3312 wrote to memory of 1812 3312 regsvr32.exe 56 PID 3312 wrote to memory of 1812 3312 regsvr32.exe 56 PID 3312 wrote to memory of 1812 3312 regsvr32.exe 56 PID 1812 wrote to memory of 3476 1812 regsvr32.exe 57 PID 1812 wrote to memory of 3476 1812 regsvr32.exe 57 PID 1812 wrote to memory of 3476 1812 regsvr32.exe 57
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_f065ced39a2e00ca31d19e0bb1691c66d9430df2d94eb64fef9b193760ba2ee8_2022-02-03__000121.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_f065ced39a2e00ca31d19e0bb1691c66d9430df2d94eb64fef9b193760ba2ee8_2022-02-03__000121.dll2⤵
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e4_f065ced39a2e00ca31d19e0bb1691c66d9430df2d94eb64fef9b193760ba2ee8_2022-02-03__000121.dll",DllRegisterServer3⤵PID:3476
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe 2d892c9bbac914f2889336679ae14322 k9/lO9bmEU6++gDgXzpYzQ.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:3540
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2916