Analysis
-
max time kernel
131s -
max time network
145s -
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
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MD5
2e8a4fefebbfd8c5e6c657e13228d829
-
SHA1
66bb761bc994a266ec5282ac1b02c504b6605130
-
SHA256
9154f5ab1880b01dcc47dbce363e3a2fc5536224c42f6b93479ca1f1776be40c
-
SHA512
f88803deda4ad80a0178a34b5172c55f809a3a651f0ce220de697e2a26516ea84ddb2fd263d438e140d7c891040070f93e28155a481ea90bd5ed070ac1cf650b
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/1704-54-0x0000000000280000-0x000000000028C000-memory.dmp emotet behavioral1/memory/1704-59-0x00000000001F0000-0x00000000001F9000-memory.dmp emotet behavioral1/memory/1984-62-0x00000000001F0000-0x00000000001FC000-memory.dmp emotet -
Executes dropped EXE 1 IoCs
Processes:
api-ms-win-downlevel-user32-l1-1-0.exepid process 1984 api-ms-win-downlevel-user32-l1-1-0.exe -
Drops file in System32 directory 1 IoCs
Processes:
sample.exedescription ioc process File opened for modification C:\Windows\SysWOW64\sdiagprv\api-ms-win-downlevel-user32-l1-1-0.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:
api-ms-win-downlevel-user32-l1-1-0.exepid process 1984 api-ms-win-downlevel-user32-l1-1-0.exe 1984 api-ms-win-downlevel-user32-l1-1-0.exe 1984 api-ms-win-downlevel-user32-l1-1-0.exe 1984 api-ms-win-downlevel-user32-l1-1-0.exe 1984 api-ms-win-downlevel-user32-l1-1-0.exe 1984 api-ms-win-downlevel-user32-l1-1-0.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sample.exepid process 1704 sample.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
sample.exeapi-ms-win-downlevel-user32-l1-1-0.exepid process 1704 sample.exe 1704 sample.exe 1984 api-ms-win-downlevel-user32-l1-1-0.exe 1984 api-ms-win-downlevel-user32-l1-1-0.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
sample.exedescription pid process target process PID 1704 wrote to memory of 1984 1704 sample.exe api-ms-win-downlevel-user32-l1-1-0.exe PID 1704 wrote to memory of 1984 1704 sample.exe api-ms-win-downlevel-user32-l1-1-0.exe PID 1704 wrote to memory of 1984 1704 sample.exe api-ms-win-downlevel-user32-l1-1-0.exe PID 1704 wrote to memory of 1984 1704 sample.exe api-ms-win-downlevel-user32-l1-1-0.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
-
C:\Windows\SysWOW64\sdiagprv\api-ms-win-downlevel-user32-l1-1-0.exe"C:\Windows\SysWOW64\sdiagprv\api-ms-win-downlevel-user32-l1-1-0.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\sdiagprv\api-ms-win-downlevel-user32-l1-1-0.exeFilesize
76KB
MD52e8a4fefebbfd8c5e6c657e13228d829
SHA166bb761bc994a266ec5282ac1b02c504b6605130
SHA2569154f5ab1880b01dcc47dbce363e3a2fc5536224c42f6b93479ca1f1776be40c
SHA512f88803deda4ad80a0178a34b5172c55f809a3a651f0ce220de697e2a26516ea84ddb2fd263d438e140d7c891040070f93e28155a481ea90bd5ed070ac1cf650b
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memory/1704-54-0x0000000000280000-0x000000000028C000-memory.dmpFilesize
48KB
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memory/1704-58-0x00000000755B1000-0x00000000755B3000-memory.dmpFilesize
8KB
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memory/1704-59-0x00000000001F0000-0x00000000001F9000-memory.dmpFilesize
36KB
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memory/1984-60-0x0000000000000000-mapping.dmp
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memory/1984-62-0x00000000001F0000-0x00000000001FC000-memory.dmpFilesize
48KB