Analysis
- max time kernel
160s - max time network
171s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
07/02/2022, 14:18
Static task
static1
Behavioral task
behavioral1
Sample
73ef85a8b1030236d6e8f595fc1f1c1c.dll
Resource
win7-en-20211208
General
- Target 73ef85a8b1030236d6e8f595fc1f1c1c.dll
- Size 216KB
- Sample220207-rmaj9achdk
- SHA256 092db395fb87ae974dfd357d2be2ab7ab5beb465486c51c1b8f63c6174708525
- MD5 73ef85a8b1030236d6e8f595fc1f1c1c
- SHA1 47ef4af54a0a0968dea7816cc0c6db4258b228bb
- SHA512 4849d1d610f19391f751bfce257f0022d01363ffa644b99a8444696ee63b7e6b6364790976f0178db6163b82d6a36d743e2808d3cbd5eef74c50d1f724e5d91e
- MD5 SHA1 SHA512
Malware Config
Extracted
-
emotet
-
Epoch5
-
174.136.15.27:8080
-
185.122.58.89:443
-
66.42.57.149:443
-
159.69.237.188:443
-
78.47.204.80:443
-
54.38.242.185:443
-
37.44.244.177:8080
-
185.148.168.220:8080
-
217.182.143.207:443
-
198.199.98.78:8080
-
139.196.72.155:8080
-
59.148.253.194:443
-
195.77.239.39:8080
-
210.57.209.142:8080
-
128.199.192.135:8080
-
173.203.78.138:443
-
62.171.178.147:8080
-
85.214.67.203:8080
-
185.148.168.15:8080
-
191.252.103.16:80
-
190.90.233.66:443
-
185.184.25.78:8080
-
207.148.81.119:8080
-
104.131.62.48:8080
-
78.46.73.125:443
-
37.59.209.141:8080
-
118.98.72.86:443
-
54.37.228.122:443
-
168.197.250.14:80
-
93.104.208.37:8080
-
54.37.106.167:8080
-
116.124.128.206:8080
-
194.9.172.107:8080
-
203.153.216.46:443
-
195.154.146.35:443
-
103.41.204.169:8080
Signatures
- Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 3792 svchost.exe Token: SeCreatePagefilePrivilege 3792 svchost.exe Token: SeShutdownPrivilege 3792 svchost.exe Token: SeCreatePagefilePrivilege 3792 svchost.exe Token: SeShutdownPrivilege 3792 svchost.exe Token: SeCreatePagefilePrivilege 3792 svchost.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2868 wrote to memory of 5028 2868 regsvr32.exe 82 PID 2868 wrote to memory of 5028 2868 regsvr32.exe 82 PID 2868 wrote to memory of 5028 2868 regsvr32.exe 82 PID 5028 wrote to memory of 4584 5028 regsvr32.exe 83 PID 5028 wrote to memory of 4584 5028 regsvr32.exe 83 PID 5028 wrote to memory of 4584 5028 regsvr32.exe 83
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\73ef85a8b1030236d6e8f595fc1f1c1c.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\73ef85a8b1030236d6e8f595fc1f1c1c.dll2⤵
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\73ef85a8b1030236d6e8f595fc1f1c1c.dll",DllRegisterServer3⤵PID:4584
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3792