Analysis
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max time kernel
146s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 18:32
Static task
static1
Behavioral task
behavioral1
Sample
sample.exe
Resource
win7-20220414-en
General
-
Target
sample.exe
-
Size
76KB
-
MD5
100c21bb246ad7ac40ce421e85a9bd31
-
SHA1
abea56411b2f39c76bafde615acb3b6494341f53
-
SHA256
1934b6356a9e55689b52d450369a3a3c397555fe67a9aec70003e038ec66b32c
-
SHA512
65759bf6d74d9447129862f154055fb85520c88aa325e763aa77d7ca1b6fac9bdaa6e9093650dda81efc945e3f6baf3c0848906595991984edbb147999b3d9c8
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
-
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
-
Processes:
resource yara_rule behavioral1/memory/1936-54-0x0000000000360000-0x000000000036C000-memory.dmp emotet behavioral1/memory/1936-61-0x0000000000350000-0x0000000000359000-memory.dmp emotet behavioral1/memory/1052-62-0x00000000002F0000-0x00000000002FC000-memory.dmp emotet -
Executes dropped EXE 1 IoCs
Processes:
NlsData0002.exepid process 1052 NlsData0002.exe -
Drops file in System32 directory 1 IoCs
Processes:
sample.exedescription ioc process File opened for modification C:\Windows\SysWOW64\PushPrinterConnections\NlsData0002.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:
NlsData0002.exepid process 1052 NlsData0002.exe 1052 NlsData0002.exe 1052 NlsData0002.exe 1052 NlsData0002.exe 1052 NlsData0002.exe 1052 NlsData0002.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sample.exepid process 1936 sample.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
sample.exeNlsData0002.exepid process 1936 sample.exe 1936 sample.exe 1052 NlsData0002.exe 1052 NlsData0002.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
sample.exedescription pid process target process PID 1936 wrote to memory of 1052 1936 sample.exe NlsData0002.exe PID 1936 wrote to memory of 1052 1936 sample.exe NlsData0002.exe PID 1936 wrote to memory of 1052 1936 sample.exe NlsData0002.exe PID 1936 wrote to memory of 1052 1936 sample.exe NlsData0002.exe
Processes
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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\PushPrinterConnections\NlsData0002.exe"C:\Windows\SysWOW64\PushPrinterConnections\NlsData0002.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\PushPrinterConnections\NlsData0002.exeFilesize
76KB
MD5100c21bb246ad7ac40ce421e85a9bd31
SHA1abea56411b2f39c76bafde615acb3b6494341f53
SHA2561934b6356a9e55689b52d450369a3a3c397555fe67a9aec70003e038ec66b32c
SHA51265759bf6d74d9447129862f154055fb85520c88aa325e763aa77d7ca1b6fac9bdaa6e9093650dda81efc945e3f6baf3c0848906595991984edbb147999b3d9c8
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memory/1052-59-0x0000000000000000-mapping.dmp
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memory/1052-62-0x00000000002F0000-0x00000000002FC000-memory.dmpFilesize
48KB
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memory/1936-54-0x0000000000360000-0x000000000036C000-memory.dmpFilesize
48KB
-
memory/1936-58-0x00000000757C1000-0x00000000757C3000-memory.dmpFilesize
8KB
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memory/1936-61-0x0000000000350000-0x0000000000359000-memory.dmpFilesize
36KB