Analysis
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max time kernel
148s -
max time network
161s -
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
fd06548942d1dab43b028e2595858275
-
SHA1
13ed05e131a447b91997a57ef34997595b504c03
-
SHA256
83b1890d059dd3dec8d32cb862744d0d22ff32f6cf6cdabdd9c91bfd4f7fd689
-
SHA512
c82e9114d570c6a6d448c873426ac8da74488af341435eb5cf8b32f1cd5f41d4c87083228c3d5f32ee4bdcdbedada9ca43c806c2ce8bd55d1c8d8910ae8f631a
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/1116-54-0x0000000000370000-0x000000000037C000-memory.dmp emotet behavioral1/memory/1116-60-0x0000000000360000-0x0000000000369000-memory.dmp emotet behavioral1/memory/908-62-0x0000000000270000-0x000000000027C000-memory.dmp emotet -
Executes dropped EXE 1 IoCs
Processes:
NlsData0002.exepid process 908 NlsData0002.exe -
Drops file in System32 directory 1 IoCs
Processes:
sample.exedescription ioc process File opened for modification C:\Windows\SysWOW64\api-ms-win-crt-runtime-l1-1-0\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 5 IoCs
Processes:
NlsData0002.exepid process 908 NlsData0002.exe 908 NlsData0002.exe 908 NlsData0002.exe 908 NlsData0002.exe 908 NlsData0002.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sample.exepid process 1116 sample.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
sample.exeNlsData0002.exepid process 1116 sample.exe 1116 sample.exe 908 NlsData0002.exe 908 NlsData0002.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
sample.exedescription pid process target process PID 1116 wrote to memory of 908 1116 sample.exe NlsData0002.exe PID 1116 wrote to memory of 908 1116 sample.exe NlsData0002.exe PID 1116 wrote to memory of 908 1116 sample.exe NlsData0002.exe PID 1116 wrote to memory of 908 1116 sample.exe NlsData0002.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\api-ms-win-crt-runtime-l1-1-0\NlsData0002.exe"C:\Windows\SysWOW64\api-ms-win-crt-runtime-l1-1-0\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\api-ms-win-crt-runtime-l1-1-0\NlsData0002.exeFilesize
76KB
MD5fd06548942d1dab43b028e2595858275
SHA113ed05e131a447b91997a57ef34997595b504c03
SHA25683b1890d059dd3dec8d32cb862744d0d22ff32f6cf6cdabdd9c91bfd4f7fd689
SHA512c82e9114d570c6a6d448c873426ac8da74488af341435eb5cf8b32f1cd5f41d4c87083228c3d5f32ee4bdcdbedada9ca43c806c2ce8bd55d1c8d8910ae8f631a
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memory/908-59-0x0000000000000000-mapping.dmp
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memory/908-62-0x0000000000270000-0x000000000027C000-memory.dmpFilesize
48KB
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memory/1116-54-0x0000000000370000-0x000000000037C000-memory.dmpFilesize
48KB
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memory/1116-58-0x00000000755C1000-0x00000000755C3000-memory.dmpFilesize
8KB
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memory/1116-60-0x0000000000360000-0x0000000000369000-memory.dmpFilesize
36KB