Analysis
-
max time kernel
149s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 18:30
Static task
static1
Behavioral task
behavioral1
Sample
sample.exe
Resource
win7-20220414-en
General
-
Target
sample.exe
-
Size
76KB
-
MD5
0eaa86ae2cf99a613e657fa09e1fc80d
-
SHA1
10defece8595d899f61a6a65b121fb407dbdc5b6
-
SHA256
7784a21ffe920119961fac837fdd7750db7c3e716fdf52012e2ddccacda6fad7
-
SHA512
3b629c5ad6bc0406f30c0b79fb1e53402857fe916e5afa197b97e59b5f825795c4cbddcbccf3fbf5ae6bb2ffe080c8b20189b64618d998ff8132894ba4f77e84
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
-
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
-
Processes:
resource yara_rule behavioral1/memory/784-54-0x0000000000320000-0x000000000032C000-memory.dmp emotet behavioral1/memory/784-61-0x0000000000310000-0x0000000000319000-memory.dmp emotet behavioral1/memory/1776-62-0x0000000000270000-0x000000000027C000-memory.dmp emotet -
Executes dropped EXE 1 IoCs
Processes:
msdt.exepid process 1776 msdt.exe -
Drops file in System32 directory 1 IoCs
Processes:
sample.exedescription ioc process File opened for modification C:\Windows\SysWOW64\sxs\msdt.exe sample.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
msdt.exepid process 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sample.exepid process 784 sample.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
sample.exemsdt.exepid process 784 sample.exe 784 sample.exe 1776 msdt.exe 1776 msdt.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
sample.exedescription pid process target process PID 784 wrote to memory of 1776 784 sample.exe msdt.exe PID 784 wrote to memory of 1776 784 sample.exe msdt.exe PID 784 wrote to memory of 1776 784 sample.exe msdt.exe PID 784 wrote to memory of 1776 784 sample.exe msdt.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\sxs\msdt.exe"C:\Windows\SysWOW64\sxs\msdt.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\sxs\msdt.exeFilesize
76KB
MD50eaa86ae2cf99a613e657fa09e1fc80d
SHA110defece8595d899f61a6a65b121fb407dbdc5b6
SHA2567784a21ffe920119961fac837fdd7750db7c3e716fdf52012e2ddccacda6fad7
SHA5123b629c5ad6bc0406f30c0b79fb1e53402857fe916e5afa197b97e59b5f825795c4cbddcbccf3fbf5ae6bb2ffe080c8b20189b64618d998ff8132894ba4f77e84
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memory/784-54-0x0000000000320000-0x000000000032C000-memory.dmpFilesize
48KB
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memory/784-58-0x0000000075711000-0x0000000075713000-memory.dmpFilesize
8KB
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memory/784-61-0x0000000000310000-0x0000000000319000-memory.dmpFilesize
36KB
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memory/1776-59-0x0000000000000000-mapping.dmp
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memory/1776-62-0x0000000000270000-0x000000000027C000-memory.dmpFilesize
48KB