Analysis
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max time kernel
141s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220310-en -
submitted
17-03-2022 18:07
Static task
static1
Behavioral task
behavioral1
Sample
a1a4e957378260796c688dfabd4d7a59fadffc46e66a1b9358e0099a2ede9a4a.dll
Resource
win7-20220310-en
General
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Target
a1a4e957378260796c688dfabd4d7a59fadffc46e66a1b9358e0099a2ede9a4a.dll
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Size
265KB
-
MD5
4c7bc804016fd9dc99de4b3abe8f54c0
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SHA1
0beddf427d9a8e9b90da100ab8e6f4097d7fa45e
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SHA256
a1a4e957378260796c688dfabd4d7a59fadffc46e66a1b9358e0099a2ede9a4a
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SHA512
137181c5c3a6e1d040afc91d17433f091411ca7e0d1063d141bb6fc7dbf2d460acea44fc2684f4f47364168edace9cadd1f14048fa71e4da157f37de0051739e
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 behavioral2/memory/4444-134-0x0000000001FA0000-0x0000000001FBF000-memory.dmp Emotet3 behavioral2/memory/4976-138-0x0000000000A10000-0x0000000000A2F000-memory.dmp Emotet3 -
Blocklisted process makes network request 5 IoCs
Processes:
rundll32.exeflow pid process 32 4976 rundll32.exe 38 4976 rundll32.exe 40 4976 rundll32.exe 41 4976 rundll32.exe 42 4976 rundll32.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 4976 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Silw\svwqck.uia 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 12 IoCs
Processes:
rundll32.exepid process 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe 4976 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 4444 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 4472 wrote to memory of 4444 4472 rundll32.exe rundll32.exe PID 4472 wrote to memory of 4444 4472 rundll32.exe rundll32.exe PID 4472 wrote to memory of 4444 4472 rundll32.exe rundll32.exe PID 4444 wrote to memory of 4976 4444 rundll32.exe rundll32.exe PID 4444 wrote to memory of 4976 4444 rundll32.exe rundll32.exe PID 4444 wrote to memory of 4976 4444 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a1a4e957378260796c688dfabd4d7a59fadffc46e66a1b9358e0099a2ede9a4a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a1a4e957378260796c688dfabd4d7a59fadffc46e66a1b9358e0099a2ede9a4a.dll,#12⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Silw\svwqck.uia",RunDLL3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4976
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
4c7bc804016fd9dc99de4b3abe8f54c0
SHA10beddf427d9a8e9b90da100ab8e6f4097d7fa45e
SHA256a1a4e957378260796c688dfabd4d7a59fadffc46e66a1b9358e0099a2ede9a4a
SHA512137181c5c3a6e1d040afc91d17433f091411ca7e0d1063d141bb6fc7dbf2d460acea44fc2684f4f47364168edace9cadd1f14048fa71e4da157f37de0051739e