Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 18:31
Static task
static1
Behavioral task
behavioral1
Sample
sample.exe
Resource
win7-20220414-en
General
-
Target
sample.exe
-
Size
76KB
-
MD5
7a4cc2cc6df27d6b321e62f8f23f2fbc
-
SHA1
d0902c89aeadf1fb543893c4946bc8952000da5d
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SHA256
706a59083f8fa2725f3759b6bf2b3af55d260239e9cf0086a48a7efc6cf1bed5
-
SHA512
7487318e1ff569baaa1386e1c1412e95a4bc8f6235245cea0e11355ce73ffc41ae999dfee9e74635e0411d8d08d9a4ec4f0451995201ff5c2b3cf246de0652ee
Malware Config
Extracted
emotet
Epoch1
82.163.245.38:80
209.126.6.222:8080
5.153.250.14:8080
186.70.127.199:8090
190.128.173.10:80
190.195.129.227:8090
91.219.169.180:80
45.173.88.33:80
185.33.0.233:80
188.2.217.94:80
207.144.103.227:80
45.161.242.102:80
219.92.13.25:80
190.163.31.26:80
68.183.170.114:8080
191.99.160.58:80
73.213.208.163:80
94.176.234.118:443
104.131.41.185:8080
45.33.77.42:8080
114.109.179.60:80
213.60.96.117:80
41.84.248.134:443
83.169.21.32:7080
82.76.111.249:443
217.199.160.224:7080
80.249.176.206:80
82.196.15.205:8080
204.225.249.100:7080
190.6.193.152:8080
189.2.177.210:443
177.72.13.80:80
24.135.1.177:80
190.115.18.139:8080
192.241.146.84:8080
209.236.123.42:8080
213.176.36.147:8080
5.196.35.138:7080
104.131.103.37:8080
51.159.23.217:443
190.147.137.153:443
149.62.173.247:8080
137.74.106.111:7080
61.92.159.208:8080
177.73.0.98:443
24.135.198.218:80
85.105.140.135:443
187.162.248.237:80
46.28.111.142:7080
116.125.120.88:443
87.106.46.107:8080
212.71.237.140:8080
12.162.84.2:8080
178.79.163.131:8080
111.67.12.221:8080
95.9.180.128:80
192.241.143.52:8080
201.171.150.41:443
24.148.98.177:80
190.190.148.27:8080
186.103.141.250:443
72.47.248.48:7080
68.183.190.199:8080
172.104.169.32:8080
185.94.252.12:80
178.250.54.208:8080
91.222.77.105:80
217.13.106.14:8080
77.90.136.129:8080
2.47.112.152:80
95.180.234.21:80
186.250.52.226:8080
181.129.96.162:8080
77.55.211.77:8080
185.94.252.27:443
174.100.27.229:80
177.74.228.34:80
67.247.242.247:80
95.85.151.205:80
70.32.115.157:8080
89.32.150.160:8080
212.93.117.170:80
50.28.51.143:8080
94.206.45.18:80
202.4.57.96:80
191.182.6.118:80
58.171.153.81:80
143.0.87.101:80
51.255.165.160:8080
70.32.84.74:8080
73.116.193.136:80
170.81.48.2:80
Signatures
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suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M8
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M8
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suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
-
Processes:
resource yara_rule behavioral1/memory/1928-54-0x0000000000320000-0x000000000032C000-memory.dmp emotet behavioral1/memory/1928-61-0x0000000000310000-0x0000000000319000-memory.dmp emotet behavioral1/memory/2044-62-0x00000000005B0000-0x00000000005BC000-memory.dmp emotet -
Executes dropped EXE 1 IoCs
Processes:
slcext.exepid process 2044 slcext.exe -
Drops file in System32 directory 1 IoCs
Processes:
sample.exedescription ioc process File opened for modification C:\Windows\SysWOW64\msimtf\slcext.exe sample.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
slcext.exepid process 2044 slcext.exe 2044 slcext.exe 2044 slcext.exe 2044 slcext.exe 2044 slcext.exe 2044 slcext.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sample.exepid process 1928 sample.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
sample.exeslcext.exepid process 1928 sample.exe 1928 sample.exe 2044 slcext.exe 2044 slcext.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
sample.exedescription pid process target process PID 1928 wrote to memory of 2044 1928 sample.exe slcext.exe PID 1928 wrote to memory of 2044 1928 sample.exe slcext.exe PID 1928 wrote to memory of 2044 1928 sample.exe slcext.exe PID 1928 wrote to memory of 2044 1928 sample.exe slcext.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\msimtf\slcext.exe"C:\Windows\SysWOW64\msimtf\slcext.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\msimtf\slcext.exeFilesize
76KB
MD57a4cc2cc6df27d6b321e62f8f23f2fbc
SHA1d0902c89aeadf1fb543893c4946bc8952000da5d
SHA256706a59083f8fa2725f3759b6bf2b3af55d260239e9cf0086a48a7efc6cf1bed5
SHA5127487318e1ff569baaa1386e1c1412e95a4bc8f6235245cea0e11355ce73ffc41ae999dfee9e74635e0411d8d08d9a4ec4f0451995201ff5c2b3cf246de0652ee
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memory/1928-54-0x0000000000320000-0x000000000032C000-memory.dmpFilesize
48KB
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memory/1928-58-0x0000000076011000-0x0000000076013000-memory.dmpFilesize
8KB
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memory/1928-61-0x0000000000310000-0x0000000000319000-memory.dmpFilesize
36KB
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memory/2044-59-0x0000000000000000-mapping.dmp
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memory/2044-62-0x00000000005B0000-0x00000000005BC000-memory.dmpFilesize
48KB