Analysis
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max time kernel
91s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03/11/2022, 23:34
Static task
static1
Behavioral task
behavioral1
Sample
oxnv1.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
oxnv1.dll
Resource
win10v2004-20220901-en
General
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Target
oxnv1.dll
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Size
745KB
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MD5
ea01c0d287accd84862457dc5d4a7c3e
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SHA1
4112fef5b0077cac7ddddbc02f00706f68e8324c
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SHA256
a43453b885eb1d698a2bc97ca747209b66a5c053eb9bb704a3b6f4e40c944415
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SHA512
04f0f62bc0d895b9ef5957110d826e5001e7cd05082b235f641131d03708ac6fca6a1a2f4dd59dfc72960fefb244b07f4041f7f6fd0bcb82f5f2d6b156b1caa6
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SSDEEP
6144:i5htEuwPCwdooxhXLY/3tvDc2YLV9yWoPTvtQPZOBk8Dv1yGj/eoyOyqTJDrRtFw:EaCwpDXstOby/ZQPrvGbWEJDDFY1cA
Malware Config
Extracted
emotet
Epoch4
45.235.8.30:8080
94.23.45.86:4143
119.59.103.152:8080
169.60.181.70:8080
164.68.99.3:8080
172.105.226.75:8080
107.170.39.149:8080
206.189.28.199:8080
1.234.2.232:8080
188.44.20.25:443
186.194.240.217:443
103.43.75.120:443
149.28.143.92:443
159.89.202.34:443
209.97.163.214:443
183.111.227.137:8080
129.232.188.93:443
139.59.126.41:443
110.232.117.186:8080
139.59.56.73:8080
103.75.201.2:443
91.207.28.33:8080
164.90.222.65:443
197.242.150.244:8080
212.24.98.99:8080
51.161.73.194:443
115.68.227.76:8080
159.65.88.10:8080
201.94.166.162:443
95.217.221.146:8080
173.212.193.249:8080
82.223.21.224:8080
103.132.242.26:8080
213.239.212.5:443
153.126.146.25:7080
45.176.232.124:443
182.162.143.56:443
169.57.156.166:8080
159.65.140.115:443
163.44.196.120:8080
172.104.251.154:8080
167.172.253.162:8080
91.187.140.35:8080
45.118.115.99:8080
147.139.166.154:8080
72.15.201.15:8080
149.56.131.28:8080
167.172.199.165:8080
101.50.0.91:8080
160.16.142.56:8080
185.4.135.165:8080
104.168.155.143:8080
79.137.35.198:8080
5.135.159.50:443
187.63.160.88:80
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YRRjrQlbIh.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\QZCBYxxQILUp\\YRRjrQlbIh.dll\"" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3544 regsvr32.exe 3544 regsvr32.exe 3672 regsvr32.exe 3672 regsvr32.exe 3672 regsvr32.exe 3672 regsvr32.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3544 regsvr32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3544 wrote to memory of 3672 3544 regsvr32.exe 77 PID 3544 wrote to memory of 3672 3544 regsvr32.exe 77
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\oxnv1.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\QZCBYxxQILUp\YRRjrQlbIh.dll"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3672
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