Analysis
- max time kernel
138s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
23/03/2022, 12:02
Static task
static1
Behavioral task
behavioral1
Sample
4b954370e8a881b37aa1cafb30ea4973822d84d2b25d871b3b0a0e5fb433fb3a.dll
Resource
win7-20220311-en
General
- Target 4b954370e8a881b37aa1cafb30ea4973822d84d2b25d871b3b0a0e5fb433fb3a.dll
- Size 684KB
- Sample220323-n7gmhsdeb6
- SHA256 4b954370e8a881b37aa1cafb30ea4973822d84d2b25d871b3b0a0e5fb433fb3a
- MD5 7d038be5b65b6fe8ecbbfa2446e63299
- SHA1 e1fce7dd97013d1c23b0866806ed729def34b78f
- SHA512 aa57b86b6c44974eb18618cc1deb5c2f11cadfcfe2bda2b5914db53f4bb1c9c66dc04bfe625d9f1e67b1dd8f8d6e53ae5a3f3da9a7415fd278d2e2480835d7eb
- MD5 SHA1 SHA512
Malware Config
Extracted
-
emotet
-
Epoch5
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51.75.33.122:443
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186.250.48.5:80
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168.119.39.118:443
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207.148.81.119:8080
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194.9.172.107:8080
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139.196.72.155:8080
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78.47.204.80:443
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159.69.237.188:443
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45.71.195.104:8080
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54.37.106.167:8080
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185.168.130.138:443
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37.44.244.177:8080
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185.184.25.78:8080
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185.148.168.15:8080
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128.199.192.135:8080
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37.59.209.141:8080
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103.41.204.169:8080
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185.148.168.220:8080
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103.42.58.120:7080
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78.46.73.125:443
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68.183.93.250:443
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190.90.233.66:443
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5.56.132.177:8080
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62.171.178.147:8080
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196.44.98.190:8080
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168.197.250.14:80
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66.42.57.149:443
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59.148.253.194:443
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104.131.62.48:8080
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191.252.103.16:80
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54.37.228.122:443
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88.217.172.165:8080
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195.77.239.39:8080
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116.124.128.206:8080
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93.104.209.107:8080
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118.98.72.86:443
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217.182.143.207:443
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87.106.97.83:7080
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210.57.209.142:8080
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54.38.242.185:443
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195.154.146.35:443
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203.153.216.46:443
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198.199.98.78:8080
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85.214.67.203:8080
Signatures
- Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B5925C6C-BC80-422A-9E2A-A320091C74AD}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{CB7A16AA-E9E3-4462-948E-DB7548A67D91}.catalogItem svchost.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 712 regsvr32.exe 712 regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3128 wrote to memory of 712 3128 regsvr32.exe 85 PID 3128 wrote to memory of 712 3128 regsvr32.exe 85 PID 3128 wrote to memory of 712 3128 regsvr32.exe 85
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\4b954370e8a881b37aa1cafb30ea4973822d84d2b25d871b3b0a0e5fb433fb3a.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\4b954370e8a881b37aa1cafb30ea4973822d84d2b25d871b3b0a0e5fb433fb3a.dll2⤵
- Suspicious behavior: EnumeratesProcesses
PID:712
-
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:5012