Analysis
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max time kernel
4294194s -
max time network
159s -
platform
windows7_x64 -
resource
win7-20220310-en -
submitted
17-03-2022 17:58
Static task
static1
Behavioral task
behavioral1
Sample
91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32.dll
Resource
win7-20220310-en
General
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Target
91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32.dll
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Size
223KB
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MD5
4957e64a7415124fd9793a778f9f4f70
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SHA1
4f7e73cc6d40f7c68cfce305e21c8fadfdc8d34f
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SHA256
91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32
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SHA512
15671ff9be6a7dead71e6469adbb35065e3280cdb511e390f4e897b9d4cd376a2ebf1f802fd49b39a529512a3442c1fed0959a7e5e30d029571dcc90e1958227
Malware Config
Extracted
emotet
Epoch2
97.120.3.198:80
70.180.33.202:80
50.116.111.59:8080
173.249.20.233:443
188.165.214.98:8080
172.104.97.173:8080
41.185.28.84:8080
120.150.218.241:443
217.20.166.178:7080
67.10.155.92:80
188.219.31.12:80
120.150.60.189:80
108.21.72.56:443
186.74.215.34:80
144.217.7.207:7080
152.170.205.73:80
49.205.182.134:80
187.161.206.24:80
95.213.236.64:8080
74.40.205.197:443
185.201.9.197:8080
142.112.10.95:20
100.37.240.62:80
178.152.87.96:80
138.68.87.218:443
220.245.198.194:80
62.171.142.179:8080
5.2.212.254:80
115.94.207.99:443
118.83.154.64:443
209.141.54.221:7080
75.143.247.51:80
58.1.242.115:80
87.106.139.101:8080
104.131.11.150:443
78.24.219.147:8080
155.186.9.160:80
2.58.16.89:8080
37.139.21.175:8080
70.92.118.112:80
51.89.36.180:443
172.86.188.251:8080
109.116.245.80:80
72.186.136.247:443
46.105.131.79:8080
74.75.104.224:80
95.9.5.93:80
72.229.97.235:80
174.118.202.24:443
202.134.4.211:8080
37.187.72.193:8080
89.216.122.92:80
201.252.34.3:80
123.176.25.234:80
157.245.99.39:8080
24.178.90.49:80
167.114.153.111:8080
121.124.124.40:7080
139.162.60.124:8080
190.162.215.233:80
181.165.68.127:80
110.145.77.103:80
185.94.252.104:443
85.105.111.166:80
202.141.243.254:443
78.188.225.105:80
64.207.182.168:8080
208.74.26.234:80
190.29.166.0:80
110.145.101.66:443
50.245.107.73:443
172.125.40.123:80
161.0.153.60:80
201.241.127.190:80
62.30.7.67:443
119.59.116.21:8080
79.137.83.50:443
47.144.21.37:80
134.209.144.106:443
74.208.45.104:8080
203.153.216.189:7080
62.75.141.82:80
137.59.187.107:8080
202.134.4.216:8080
172.105.13.66:443
168.235.67.138:7080
190.240.194.77:443
94.23.237.171:443
50.91.114.38:80
139.99.158.11:443
110.145.11.73:80
72.188.173.74:80
5.39.91.110:7080
181.171.209.241:443
61.19.246.238:443
74.128.121.17:80
194.4.58.192:7080
109.74.5.95:8080
200.116.145.225:443
136.244.110.184:8080
67.170.250.203:443
24.69.65.8:8080
139.59.60.244:8080
176.111.60.55:8080
24.179.13.119:80
Signatures
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Emotet3 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1548-55-0x0000000000220000-0x000000000023F000-memory.dmp Emotet3 behavioral1/memory/1872-59-0x00000000002D0000-0x00000000002EF000-memory.dmp Emotet3 -
Blocklisted process makes network request 4 IoCs
Processes:
rundll32.exeflow pid process 5 1872 rundll32.exe 6 1872 rundll32.exe 7 1872 rundll32.exe 8 1872 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Ybbg\ybxelp.ygl rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
rundll32.exepid process 1872 rundll32.exe 1872 rundll32.exe 1872 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 1548 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1676 wrote to memory of 1548 1676 rundll32.exe rundll32.exe PID 1676 wrote to memory of 1548 1676 rundll32.exe rundll32.exe PID 1676 wrote to memory of 1548 1676 rundll32.exe rundll32.exe PID 1676 wrote to memory of 1548 1676 rundll32.exe rundll32.exe PID 1676 wrote to memory of 1548 1676 rundll32.exe rundll32.exe PID 1676 wrote to memory of 1548 1676 rundll32.exe rundll32.exe PID 1676 wrote to memory of 1548 1676 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1872 1548 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1872 1548 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1872 1548 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1872 1548 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1872 1548 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1872 1548 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1872 1548 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\91ac7bac068f4db8cd6bdfa2a1e128f69e78ae25c0e303e6d21128a434285e32.dll,#12⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ybbg\ybxelp.ygl",RunDLL3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:1872
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